<?xml version="1.0" encoding="US-ASCII"?>
<!--XBRL Document Created with Wdesk from Workiva-->
<!-- -->
<linkbase xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns="http://www.xbrl.org/2003/linkbase" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <roleRef roleURI="http://www.comstockmining.com/role/AccruedExpenses" xlink:href="lode-20160331.xsd#AccruedExpenses" xlink:type="simple" />
  <roleRef roleURI="http://www.comstockmining.com/role/AccruedExpensesDetails" xlink:href="lode-20160331.xsd#AccruedExpensesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.comstockmining.com/role/AccruedExpensesTables" xlink:href="lode-20160331.xsd#AccruedExpensesTables" xlink:type="simple" />
  <roleRef roleURI="http://www.comstockmining.com/role/CommitmentsAndContingencies" xlink:href="lode-20160331.xsd#CommitmentsAndContingencies" xlink:type="simple" />
  <roleRef roleURI="http://www.comstockmining.com/role/CommitmentsAndContingenciesDetails" xlink:href="lode-20160331.xsd#CommitmentsAndContingenciesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.comstockmining.com/role/CondensedConsolidatedBalanceSheets" xlink:href="lode-20160331.xsd#CondensedConsolidatedBalanceSheets" xlink:type="simple" />
  <roleRef roleURI="http://www.comstockmining.com/role/CondensedConsolidatedBalanceSheetsParenthetical" xlink:href="lode-20160331.xsd#CondensedConsolidatedBalanceSheetsParenthetical" xlink:type="simple" />
  <roleRef roleURI="http://www.comstockmining.com/role/CondensedConsolidatedStatementsOfCashFlows" xlink:href="lode-20160331.xsd#CondensedConsolidatedStatementsOfCashFlows" xlink:type="simple" />
  <roleRef roleURI="http://www.comstockmining.com/role/CondensedConsolidatedStatementsOfOperations" xlink:href="lode-20160331.xsd#CondensedConsolidatedStatementsOfOperations" xlink:type="simple" />
  <roleRef roleURI="http://www.comstockmining.com/role/DocumentAndEntityInformation" xlink:href="lode-20160331.xsd#DocumentAndEntityInformation" xlink:type="simple" />
  <roleRef roleURI="http://www.comstockmining.com/role/FairValueMeasurements" xlink:href="lode-20160331.xsd#FairValueMeasurements" xlink:type="simple" />
  <roleRef roleURI="http://www.comstockmining.com/role/FairValueMeasurementsDetails" xlink:href="lode-20160331.xsd#FairValueMeasurementsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.comstockmining.com/role/FairValueMeasurementsTables" xlink:href="lode-20160331.xsd#FairValueMeasurementsTables" xlink:type="simple" />
  <roleRef roleURI="http://www.comstockmining.com/role/InterimFinancialStatements" xlink:href="lode-20160331.xsd#InterimFinancialStatements" xlink:type="simple" />
  <roleRef roleURI="http://www.comstockmining.com/role/InterimFinancialStatementsDetails" xlink:href="lode-20160331.xsd#InterimFinancialStatementsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.comstockmining.com/role/InterimFinancialStatementsPolicies" xlink:href="lode-20160331.xsd#InterimFinancialStatementsPolicies" xlink:type="simple" />
  <roleRef roleURI="http://www.comstockmining.com/role/InventoriesStockpilesAndMineralizedMaterialOnLeachPads" xlink:href="lode-20160331.xsd#InventoriesStockpilesAndMineralizedMaterialOnLeachPads" xlink:type="simple" />
  <roleRef roleURI="http://www.comstockmining.com/role/InventoriesStockpilesAndMineralizedMaterialOnLeachPadsDetails" xlink:href="lode-20160331.xsd#InventoriesStockpilesAndMineralizedMaterialOnLeachPadsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.comstockmining.com/role/InventoriesStockpilesAndMineralizedMaterialOnLeachPadsTables" xlink:href="lode-20160331.xsd#InventoriesStockpilesAndMineralizedMaterialOnLeachPadsTables" xlink:type="simple" />
  <roleRef roleURI="http://www.comstockmining.com/role/LongTermDebtAndCapitalLeaseObligations" xlink:href="lode-20160331.xsd#LongTermDebtAndCapitalLeaseObligations" xlink:type="simple" />
  <roleRef roleURI="http://www.comstockmining.com/role/LongTermDebtAndCapitalLeaseObligationsLongTermDebtObligationsDetails" xlink:href="lode-20160331.xsd#LongTermDebtAndCapitalLeaseObligationsLongTermDebtObligationsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.comstockmining.com/role/LongTermDebtAndCapitalLeaseObligationsScheduleOfLongTermDebtDetails" xlink:href="lode-20160331.xsd#LongTermDebtAndCapitalLeaseObligationsScheduleOfLongTermDebtDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.comstockmining.com/role/LongTermDebtAndCapitalLeaseObligationsTables" xlink:href="lode-20160331.xsd#LongTermDebtAndCapitalLeaseObligationsTables" xlink:type="simple" />
  <roleRef roleURI="http://www.comstockmining.com/role/LongTermReclamationLiabilityAndRetirementObligationAsset" xlink:href="lode-20160331.xsd#LongTermReclamationLiabilityAndRetirementObligationAsset" xlink:type="simple" />
  <roleRef roleURI="http://www.comstockmining.com/role/LongTermReclamationLiabilityAndRetirementObligationAssetReconciliationOfAggregateRetirementAssetDetails" xlink:href="lode-20160331.xsd#LongTermReclamationLiabilityAndRetirementObligationAssetReconciliationOfAggregateRetirementAssetDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.comstockmining.com/role/LongTermReclamationLiabilityAndRetirementObligationAssetReconciliationOfAggregateRetirementLiabilityDetails" xlink:href="lode-20160331.xsd#LongTermReclamationLiabilityAndRetirementObligationAssetReconciliationOfAggregateRetirementLiabilityDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.comstockmining.com/role/LongTermReclamationLiabilityAndRetirementObligationAssetTables" xlink:href="lode-20160331.xsd#LongTermReclamationLiabilityAndRetirementObligationAssetTables" xlink:type="simple" />
  <roleRef roleURI="http://www.comstockmining.com/role/NetIncomeLossPerCommonShare" xlink:href="lode-20160331.xsd#NetIncomeLossPerCommonShare" xlink:type="simple" />
  <roleRef roleURI="http://www.comstockmining.com/role/NetIncomeLossPerCommonShareReconciliationOfNetLossPerShareDetails" xlink:href="lode-20160331.xsd#NetIncomeLossPerCommonShareReconciliationOfNetLossPerShareDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.comstockmining.com/role/NetIncomeLossPerCommonShareScheduleOfExcludedCommonStockEquivalentSharesDetails" xlink:href="lode-20160331.xsd#NetIncomeLossPerCommonShareScheduleOfExcludedCommonStockEquivalentSharesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.comstockmining.com/role/NetIncomeLossPerCommonShareTables" xlink:href="lode-20160331.xsd#NetIncomeLossPerCommonShareTables" xlink:type="simple" />
  <roleRef roleURI="http://www.comstockmining.com/role/PrepaidExpensesAndOtherCurrentAssets" xlink:href="lode-20160331.xsd#PrepaidExpensesAndOtherCurrentAssets" xlink:type="simple" />
  <roleRef roleURI="http://www.comstockmining.com/role/PrepaidExpensesAndOtherCurrentAssetsDetails" xlink:href="lode-20160331.xsd#PrepaidExpensesAndOtherCurrentAssetsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.comstockmining.com/role/PrepaidExpensesAndOtherCurrentAssetsTables" xlink:href="lode-20160331.xsd#PrepaidExpensesAndOtherCurrentAssetsTables" xlink:type="simple" />
  <roleRef roleURI="http://www.comstockmining.com/role/PropertiesPlantAndEquipment" xlink:href="lode-20160331.xsd#PropertiesPlantAndEquipment" xlink:type="simple" />
  <roleRef roleURI="http://www.comstockmining.com/role/PropertiesPlantAndEquipmentDetails" xlink:href="lode-20160331.xsd#PropertiesPlantAndEquipmentDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.comstockmining.com/role/SegmentReporting" xlink:href="lode-20160331.xsd#SegmentReporting" xlink:type="simple" />
  <roleRef roleURI="http://www.comstockmining.com/role/SegmentReportingDetails" xlink:href="lode-20160331.xsd#SegmentReportingDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.comstockmining.com/role/SegmentReportingTables" xlink:href="lode-20160331.xsd#SegmentReportingTables" xlink:type="simple" />
  <roleRef roleURI="http://www.comstockmining.com/role/StockholdersEquity" xlink:href="lode-20160331.xsd#StockholdersEquity" xlink:type="simple" />
  <roleRef roleURI="http://www.comstockmining.com/role/StockholdersEquityNarrativeDetails" xlink:href="lode-20160331.xsd#StockholdersEquityNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.comstockmining.com/role/SubsequentEvents" xlink:href="lode-20160331.xsd#SubsequentEvents" xlink:type="simple" />
  <roleRef roleURI="http://www.comstockmining.com/role/SubsequentEventsDetails" xlink:href="lode-20160331.xsd#SubsequentEventsDetails" xlink:type="simple" />
  <arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all" xlink:type="simple" />
  <arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default" xlink:type="simple" />
  <arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain" xlink:type="simple" />
  <arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member" xlink:type="simple" />
  <arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension" xlink:type="simple" />
  <definitionLink xlink:role="http://www.comstockmining.com/role/AccruedExpenses" xlink:type="extended" />
  <definitionLink xlink:role="http://www.comstockmining.com/role/AccruedExpensesDetails" xlink:type="extended" />
  <definitionLink xlink:role="http://www.comstockmining.com/role/AccruedExpensesTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.comstockmining.com/role/CommitmentsAndContingencies" xlink:type="extended" />
  <definitionLink xlink:role="http://www.comstockmining.com/role/CommitmentsAndContingenciesDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LossContingenciesLineItems" xlink:label="loc_us-gaap_LossContingenciesLineItems_53E9D8AF6FE9209465BD7CBB0AC933EE" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LossContingenciesTable" xlink:label="loc_us-gaap_LossContingenciesTable_222584947F419223A32C7CBB0AC87B61" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_LossContingenciesLineItems_53E9D8AF6FE9209465BD7CBB0AC933EE" xlink:to="loc_us-gaap_LossContingenciesTable_222584947F419223A32C7CBB0AC87B61" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CounterpartyNameAxis" xlink:label="loc_us-gaap_CounterpartyNameAxis_16FEEBB948A98168FC417CC6A0454D84" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LossContingenciesTable_222584947F419223A32C7CBB0AC87B61" xlink:to="loc_us-gaap_CounterpartyNameAxis_16FEEBB948A98168FC417CC6A0454D84" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RepurchaseAgreementCounterpartyNameDomain" xlink:label="loc_us-gaap_RepurchaseAgreementCounterpartyNameDomain_806BCB9B5E36E2E61CD57CC6A04BB60A_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CounterpartyNameAxis_16FEEBB948A98168FC417CC6A0454D84" xlink:to="loc_us-gaap_RepurchaseAgreementCounterpartyNameDomain_806BCB9B5E36E2E61CD57CC6A04BB60A_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RepurchaseAgreementCounterpartyNameDomain" xlink:label="loc_us-gaap_RepurchaseAgreementCounterpartyNameDomain_806BCB9B5E36E2E61CD57CC6A04BB60A" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CounterpartyNameAxis_16FEEBB948A98168FC417CC6A0454D84" xlink:to="loc_us-gaap_RepurchaseAgreementCounterpartyNameDomain_806BCB9B5E36E2E61CD57CC6A04BB60A" xlink:type="arc" />
    <loc xlink:href="lode-20160331.xsd#lode_AmericanMiningTunnelingLLCandAmericanDrillingCorpLLCMember" xlink:label="loc_lode_AmericanMiningTunnelingLLCandAmericanDrillingCorpLLCMember_FA994722750AB21055C27CC74B7722B9" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RepurchaseAgreementCounterpartyNameDomain_806BCB9B5E36E2E61CD57CC6A04BB60A" xlink:to="loc_lode_AmericanMiningTunnelingLLCandAmericanDrillingCorpLLCMember_FA994722750AB21055C27CC74B7722B9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_833802623C24913958FE7CBB0AC8F7A2" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LossContingenciesTable_222584947F419223A32C7CBB0AC87B61" xlink:to="loc_us-gaap_RangeAxis_833802623C24913958FE7CBB0AC8F7A2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_C20DE60E656024AD39D57CBB0AC86DEA_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RangeAxis_833802623C24913958FE7CBB0AC8F7A2" xlink:to="loc_us-gaap_RangeMember_C20DE60E656024AD39D57CBB0AC86DEA_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_C20DE60E656024AD39D57CBB0AC86DEA" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RangeAxis_833802623C24913958FE7CBB0AC8F7A2" xlink:to="loc_us-gaap_RangeMember_C20DE60E656024AD39D57CBB0AC86DEA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_D3CCF9BA44287ADB30347CBB0AC85495" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_C20DE60E656024AD39D57CBB0AC86DEA" xlink:to="loc_us-gaap_MinimumMember_D3CCF9BA44287ADB30347CBB0AC85495" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_C415E9F70A32A2E607787CBB0AC9FE9D" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_C20DE60E656024AD39D57CBB0AC86DEA" xlink:to="loc_us-gaap_MaximumMember_C415E9F70A32A2E607787CBB0AC9FE9D" xlink:type="arc" />
    <loc xlink:href="lode-20160331.xsd#lode_PercentageNetSmelterReturnRoyalty" xlink:label="loc_lode_PercentageNetSmelterReturnRoyalty_6E6FF395A2A613AE81867CBB0AC9DCB7" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_53E9D8AF6FE9209465BD7CBB0AC933EE" xlink:to="loc_lode_PercentageNetSmelterReturnRoyalty_6E6FF395A2A613AE81867CBB0AC9DCB7" xlink:type="arc" />
    <loc xlink:href="lode-20160331.xsd#lode_NetSmelterReturnRoyaltyPercentage" xlink:label="loc_lode_NetSmelterReturnRoyaltyPercentage_4E0670F13C1868F232217CBB0AC9E600" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_53E9D8AF6FE9209465BD7CBB0AC933EE" xlink:to="loc_lode_NetSmelterReturnRoyaltyPercentage_4E0670F13C1868F232217CBB0AC9E600" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesIssuedForServices" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesIssuedForServices_BCCAB083097532E07F227CBB0AC9FC5D" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_53E9D8AF6FE9209465BD7CBB0AC933EE" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesIssuedForServices_BCCAB083097532E07F227CBB0AC9FC5D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueIssuedForServices" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueIssuedForServices_E43237C5FA36AFFB086F7CBB0AC963A8" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_53E9D8AF6FE9209465BD7CBB0AC933EE" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueIssuedForServices_E43237C5FA36AFFB086F7CBB0AC963A8" xlink:type="arc" />
    <loc xlink:href="lode-20160331.xsd#lode_StockIssuedDuringPeriodIssuedForServicesHoldingPeriod" xlink:label="loc_lode_StockIssuedDuringPeriodIssuedForServicesHoldingPeriod_AC1B8D72B75430D237B67CBB0AC94C53" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_53E9D8AF6FE9209465BD7CBB0AC933EE" xlink:to="loc_lode_StockIssuedDuringPeriodIssuedForServicesHoldingPeriod_AC1B8D72B75430D237B67CBB0AC94C53" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SharePrice" xlink:label="loc_us-gaap_SharePrice_2E0229A26C8C7B7B9C157CBB0AC95C4B" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_53E9D8AF6FE9209465BD7CBB0AC933EE" xlink:to="loc_us-gaap_SharePrice_2E0229A26C8C7B7B9C157CBB0AC95C4B" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.comstockmining.com/role/CondensedConsolidatedBalanceSheets" xlink:type="extended" />
  <definitionLink xlink:role="http://www.comstockmining.com/role/CondensedConsolidatedBalanceSheetsParenthetical" xlink:type="extended" />
  <definitionLink xlink:role="http://www.comstockmining.com/role/CondensedConsolidatedStatementsOfCashFlows" xlink:type="extended" />
  <definitionLink xlink:role="http://www.comstockmining.com/role/CondensedConsolidatedStatementsOfOperations" xlink:type="extended" />
  <definitionLink xlink:role="http://www.comstockmining.com/role/DocumentAndEntityInformation" xlink:type="extended" />
  <definitionLink xlink:role="http://www.comstockmining.com/role/FairValueMeasurements" xlink:type="extended" />
  <definitionLink xlink:role="http://www.comstockmining.com/role/FairValueMeasurementsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_831D7EB93623891A60AC78F834801C7F" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_699B5F8E769C8831EDC578F8347FB02E" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_831D7EB93623891A60AC78F834801C7F" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_699B5F8E769C8831EDC578F8347FB02E" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis_ECB1F052A954C494DAC578F8347F307B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_699B5F8E769C8831EDC578F8347FB02E" xlink:to="loc_us-gaap_StatementClassOfStockAxis_ECB1F052A954C494DAC578F8347F307B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_A3D4CC12B7079873B20478F8347F9DC5_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_ECB1F052A954C494DAC578F8347F307B" xlink:to="loc_us-gaap_ClassOfStockDomain_A3D4CC12B7079873B20478F8347F9DC5_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_A3D4CC12B7079873B20478F8347F9DC5" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_ECB1F052A954C494DAC578F8347F307B" xlink:to="loc_us-gaap_ClassOfStockDomain_A3D4CC12B7079873B20478F8347F9DC5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CommonStockMember" xlink:label="loc_us-gaap_CommonStockMember_C2888FFE72860BF6FF4B78F8347FA9E9" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_A3D4CC12B7079873B20478F8347F9DC5" xlink:to="loc_us-gaap_CommonStockMember_C2888FFE72860BF6FF4B78F8347FA9E9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis" xlink:label="loc_us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis_6847C1DB5AC8CD9B6E9A78F8347F30DA" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_699B5F8E769C8831EDC578F8347FB02E" xlink:to="loc_us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis_6847C1DB5AC8CD9B6E9A78F8347F30DA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SignificantAcquisitionsAndDisposalsTransactionDomain" xlink:label="loc_us-gaap_SignificantAcquisitionsAndDisposalsTransactionDomain_D540DA7A741C3F1D97E878F8347FAE90_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis_6847C1DB5AC8CD9B6E9A78F8347F30DA" xlink:to="loc_us-gaap_SignificantAcquisitionsAndDisposalsTransactionDomain_D540DA7A741C3F1D97E878F8347FAE90_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SignificantAcquisitionsAndDisposalsTransactionDomain" xlink:label="loc_us-gaap_SignificantAcquisitionsAndDisposalsTransactionDomain_D540DA7A741C3F1D97E878F8347FAE90" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis_6847C1DB5AC8CD9B6E9A78F8347F30DA" xlink:to="loc_us-gaap_SignificantAcquisitionsAndDisposalsTransactionDomain_D540DA7A741C3F1D97E878F8347FAE90" xlink:type="arc" />
    <loc xlink:href="lode-20160331.xsd#lode_AdditionalLandandBuildingsMember" xlink:label="loc_lode_AdditionalLandandBuildingsMember_1E9DE4C14C370159E69078F8347FBE43" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SignificantAcquisitionsAndDisposalsTransactionDomain_D540DA7A741C3F1D97E878F8347FAE90" xlink:to="loc_lode_AdditionalLandandBuildingsMember_1E9DE4C14C370159E69078F8347FBE43" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueByMeasurementFrequencyAxis" xlink:label="loc_us-gaap_FairValueByMeasurementFrequencyAxis_DB692AE7E62392ACA84D78F834800D38" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_699B5F8E769C8831EDC578F8347FB02E" xlink:to="loc_us-gaap_FairValueByMeasurementFrequencyAxis_DB692AE7E62392ACA84D78F834800D38" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_50A4E708A2BE5136A1D278F834809E61_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_DB692AE7E62392ACA84D78F834800D38" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_50A4E708A2BE5136A1D278F834809E61_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_50A4E708A2BE5136A1D278F834809E61" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_DB692AE7E62392ACA84D78F834800D38" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_50A4E708A2BE5136A1D278F834809E61" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueMeasurementsRecurringMember" xlink:label="loc_us-gaap_FairValueMeasurementsRecurringMember_C12DFAFFF190D02474AA78F83480F1C6" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementFrequencyDomain_50A4E708A2BE5136A1D278F834809E61" xlink:to="loc_us-gaap_FairValueMeasurementsRecurringMember_C12DFAFFF190D02474AA78F83480F1C6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_5E66DE369E0F0114DD8778F834808534" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_699B5F8E769C8831EDC578F8347FB02E" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_5E66DE369E0F0114DD8778F834808534" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_BD3F1616C00D678A799F78F83480E874_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_5E66DE369E0F0114DD8778F834808534" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_BD3F1616C00D678A799F78F83480E874_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_BD3F1616C00D678A799F78F83480E874" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_5E66DE369E0F0114DD8778F834808534" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_BD3F1616C00D678A799F78F83480E874" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_749A62FC702915A6F3BE78F83480A0BE" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_BD3F1616C00D678A799F78F83480E874" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_749A62FC702915A6F3BE78F83480A0BE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_53466C4F37F12CB4B81678F8348038A5" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_BD3F1616C00D678A799F78F83480E874" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_53466C4F37F12CB4B81678F8348038A5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_89B59A554A081AF6188F78F83480F000" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_BD3F1616C00D678A799F78F83480E874" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_89B59A554A081AF6188F78F83480F000" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LiabilitiesFairValueDisclosureAbstract" xlink:label="loc_us-gaap_LiabilitiesFairValueDisclosureAbstract_44D7A44C103E1775BC3478F83480AC7F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_831D7EB93623891A60AC78F834801C7F" xlink:to="loc_us-gaap_LiabilitiesFairValueDisclosureAbstract_44D7A44C103E1775BC3478F83480AC7F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NotesPayableFairValueDisclosure" xlink:label="loc_us-gaap_NotesPayableFairValueDisclosure_A0FD31F35E0DE6977DEE78F83480FAE2" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesFairValueDisclosureAbstract_44D7A44C103E1775BC3478F83480AC7F" xlink:to="loc_us-gaap_NotesPayableFairValueDisclosure_A0FD31F35E0DE6977DEE78F83480FAE2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LiabilitiesFairValueDisclosure" xlink:label="loc_us-gaap_LiabilitiesFairValueDisclosure_77A16726E76CF9ACE4BE78F83480E0DE" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesFairValueDisclosureAbstract_44D7A44C103E1775BC3478F83480AC7F" xlink:to="loc_us-gaap_LiabilitiesFairValueDisclosure_77A16726E76CF9ACE4BE78F83480E0DE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_6C7295D4D71D0E073B6E78F83480385D" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_831D7EB93623891A60AC78F834801C7F" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_6C7295D4D71D0E073B6E78F83480385D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesPurchaseOfAssets" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesPurchaseOfAssets_1990420C167A6E4556EE78F834809D5C" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_831D7EB93623891A60AC78F834801C7F" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesPurchaseOfAssets_1990420C167A6E4556EE78F834809D5C" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.comstockmining.com/role/FairValueMeasurementsTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.comstockmining.com/role/InterimFinancialStatements" xlink:type="extended" />
  <definitionLink xlink:role="http://www.comstockmining.com/role/InterimFinancialStatementsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LineOfCreditFacilityLineItems" xlink:label="loc_us-gaap_LineOfCreditFacilityLineItems_BCA30D81254420F1167A7CBB0B90B6B8" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LineOfCreditFacilityTable" xlink:label="loc_us-gaap_LineOfCreditFacilityTable_107349BBE0C34E4B54617CBB0B8FB9B1" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_BCA30D81254420F1167A7CBB0B90B6B8" xlink:to="loc_us-gaap_LineOfCreditFacilityTable_107349BBE0C34E4B54617CBB0B8FB9B1" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementByRestatementPeriodAndAmountAxis" xlink:label="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementByRestatementPeriodAndAmountAxis_C11A47615E979FC1F9967CBB0B8F90DF" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_107349BBE0C34E4B54617CBB0B8FB9B1" xlink:to="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementByRestatementPeriodAndAmountAxis_C11A47615E979FC1F9967CBB0B8F90DF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AdjustmentsForErrorCorrectionDomain" xlink:label="loc_us-gaap_AdjustmentsForErrorCorrectionDomain_C004D635EBD64FCEBF617CBB0B8F3E0F_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementByRestatementPeriodAndAmountAxis_C11A47615E979FC1F9967CBB0B8F90DF" xlink:to="loc_us-gaap_AdjustmentsForErrorCorrectionDomain_C004D635EBD64FCEBF617CBB0B8F3E0F_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AdjustmentsForErrorCorrectionDomain" xlink:label="loc_us-gaap_AdjustmentsForErrorCorrectionDomain_C004D635EBD64FCEBF617CBB0B8F3E0F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementByRestatementPeriodAndAmountAxis_C11A47615E979FC1F9967CBB0B8F90DF" xlink:to="loc_us-gaap_AdjustmentsForErrorCorrectionDomain_C004D635EBD64FCEBF617CBB0B8F3E0F" xlink:type="arc" />
    <loc xlink:href="lode-20160331.xsd#lode_ReclassificationEffectMember" xlink:label="loc_lode_ReclassificationEffectMember_27548B6BABBE63070CE47CBB0B8F5A58" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsForErrorCorrectionDomain_C004D635EBD64FCEBF617CBB0B8F3E0F" xlink:to="loc_lode_ReclassificationEffectMember_27548B6BABBE63070CE47CBB0B8F5A58" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SubsequentEventTypeAxis" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_BCABA55E572B492DBC0E7CBB0B9037D5" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_107349BBE0C34E4B54617CBB0B8FB9B1" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_BCABA55E572B492DBC0E7CBB0B9037D5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_B2CE8F543D29BF22779B7CBB0B9004FE_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_BCABA55E572B492DBC0E7CBB0B9037D5" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_B2CE8F543D29BF22779B7CBB0B9004FE_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_B2CE8F543D29BF22779B7CBB0B9004FE" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_BCABA55E572B492DBC0E7CBB0B9037D5" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_B2CE8F543D29BF22779B7CBB0B9004FE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SubsequentEventMember" xlink:label="loc_us-gaap_SubsequentEventMember_763D8F5481A1A5BF203F7CBB0B9052FE" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_B2CE8F543D29BF22779B7CBB0B9004FE" xlink:to="loc_us-gaap_SubsequentEventMember_763D8F5481A1A5BF203F7CBB0B9052FE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="loc_us-gaap_DebtInstrumentAxis_BA7846ACD1AF5C2538257CBB0B90FC8A" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_107349BBE0C34E4B54617CBB0B8FB9B1" xlink:to="loc_us-gaap_DebtInstrumentAxis_BA7846ACD1AF5C2538257CBB0B90FC8A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_99B10FA8164F2B47BD357CBB0B90BC92_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_BA7846ACD1AF5C2538257CBB0B90FC8A" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_99B10FA8164F2B47BD357CBB0B90BC92_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_99B10FA8164F2B47BD357CBB0B90BC92" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_BA7846ACD1AF5C2538257CBB0B90FC8A" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_99B10FA8164F2B47BD357CBB0B90BC92" xlink:type="arc" />
    <loc xlink:href="lode-20160331.xsd#lode_NotePayableAurametFacilityMember" xlink:label="loc_lode_NotePayableAurametFacilityMember_E9A5BDB36B1FAD763C107CBB0B907233" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_99B10FA8164F2B47BD357CBB0B90BC92" xlink:to="loc_lode_NotePayableAurametFacilityMember_E9A5BDB36B1FAD763C107CBB0B907233" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CreditFacilityAxis" xlink:label="loc_us-gaap_CreditFacilityAxis_C727B9911672C8287BCE7CBB0B904B98" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_107349BBE0C34E4B54617CBB0B8FB9B1" xlink:to="loc_us-gaap_CreditFacilityAxis_C727B9911672C8287BCE7CBB0B904B98" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:label="loc_us-gaap_CreditFacilityDomain_794AA1D2C74E6D8F5D0B7CBB0B90CA6E_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_C727B9911672C8287BCE7CBB0B904B98" xlink:to="loc_us-gaap_CreditFacilityDomain_794AA1D2C74E6D8F5D0B7CBB0B90CA6E_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:label="loc_us-gaap_CreditFacilityDomain_794AA1D2C74E6D8F5D0B7CBB0B90CA6E" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_C727B9911672C8287BCE7CBB0B904B98" xlink:to="loc_us-gaap_CreditFacilityDomain_794AA1D2C74E6D8F5D0B7CBB0B90CA6E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RevolvingCreditFacilityMember" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_BAD2D862198FF434BEE27CBB0B906642" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_794AA1D2C74E6D8F5D0B7CBB0B90CA6E" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_BAD2D862198FF434BEE27CBB0B906642" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_77D38C38C3071307B8A57CBB0B9024D4" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_BCA30D81254420F1167A7CBB0B90B6B8" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_77D38C38C3071307B8A57CBB0B9024D4" xlink:type="arc" />
    <loc xlink:href="lode-20160331.xsd#lode_ProceedsIssuanceofCommonStockGross" xlink:label="loc_lode_ProceedsIssuanceofCommonStockGross_971DD6891A87A8B407547CBB0B90FA39" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_BCA30D81254420F1167A7CBB0B90B6B8" xlink:to="loc_lode_ProceedsIssuanceofCommonStockGross_971DD6891A87A8B407547CBB0B90FA39" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_9BEB80A0BEFFE21449C87CBB0B90953F" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_BCA30D81254420F1167A7CBB0B90B6B8" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_9BEB80A0BEFFE21449C87CBB0B90953F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RepaymentsOfLinesOfCredit" xlink:label="loc_us-gaap_RepaymentsOfLinesOfCredit_D9D75A7132218F8972AA7CD05972FCE2" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_BCA30D81254420F1167A7CBB0B90B6B8" xlink:to="loc_us-gaap_RepaymentsOfLinesOfCredit_D9D75A7132218F8972AA7CD05972FCE2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_A8B2E8DC9D3C060B16417CBB0B904879" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_BCA30D81254420F1167A7CBB0B90B6B8" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_A8B2E8DC9D3C060B16417CBB0B904879" xlink:type="arc" />
    <loc xlink:href="lode-20160331.xsd#lode_CostsofMineralRights" xlink:label="loc_lode_CostsofMineralRights_E7A41F0864067A97DA2A7CBB0B9086AF" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_BCA30D81254420F1167A7CBB0B90B6B8" xlink:to="loc_lode_CostsofMineralRights_E7A41F0864067A97DA2A7CBB0B9086AF" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.comstockmining.com/role/InterimFinancialStatementsPolicies" xlink:type="extended" />
  <definitionLink xlink:role="http://www.comstockmining.com/role/InventoriesStockpilesAndMineralizedMaterialOnLeachPads" xlink:type="extended" />
  <definitionLink xlink:role="http://www.comstockmining.com/role/InventoriesStockpilesAndMineralizedMaterialOnLeachPadsDetails" xlink:type="extended" />
  <definitionLink xlink:role="http://www.comstockmining.com/role/InventoriesStockpilesAndMineralizedMaterialOnLeachPadsTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.comstockmining.com/role/LongTermDebtAndCapitalLeaseObligations" xlink:type="extended" />
  <definitionLink xlink:role="http://www.comstockmining.com/role/LongTermDebtAndCapitalLeaseObligationsLongTermDebtObligationsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_68B0404A5B39D12BDA587D9855963B54" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_2E7A8D5018E05EE1C5A97D9855946386" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_68B0404A5B39D12BDA587D9855963B54" xlink:to="loc_us-gaap_DebtInstrumentTable_2E7A8D5018E05EE1C5A97D9855946386" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SubsequentEventTypeAxis" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_6A31939C1497093E700D7D98559418C5" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_2E7A8D5018E05EE1C5A97D9855946386" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_6A31939C1497093E700D7D98559418C5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_285713BFD86C4776604E7D985594812B_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_6A31939C1497093E700D7D98559418C5" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_285713BFD86C4776604E7D985594812B_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_285713BFD86C4776604E7D985594812B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_6A31939C1497093E700D7D98559418C5" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_285713BFD86C4776604E7D985594812B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SubsequentEventMember" xlink:label="loc_us-gaap_SubsequentEventMember_40D796F5287119CE20F57D985594397D" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_285713BFD86C4776604E7D985594812B" xlink:to="loc_us-gaap_SubsequentEventMember_40D796F5287119CE20F57D985594397D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis_3A60CE8BEC7613E0AB2C7D9855958689" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_2E7A8D5018E05EE1C5A97D9855946386" xlink:to="loc_us-gaap_StatementClassOfStockAxis_3A60CE8BEC7613E0AB2C7D9855958689" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_BF4F36C99611CD9870A17D985595985A_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_3A60CE8BEC7613E0AB2C7D9855958689" xlink:to="loc_us-gaap_ClassOfStockDomain_BF4F36C99611CD9870A17D985595985A_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_BF4F36C99611CD9870A17D985595985A" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_3A60CE8BEC7613E0AB2C7D9855958689" xlink:to="loc_us-gaap_ClassOfStockDomain_BF4F36C99611CD9870A17D985595985A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CommonStockMember" xlink:label="loc_us-gaap_CommonStockMember_C8AFB6AD3150231271817D98559569D6" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_BF4F36C99611CD9870A17D985595985A" xlink:to="loc_us-gaap_CommonStockMember_C8AFB6AD3150231271817D98559569D6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis" xlink:label="loc_us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis_00696A9391CD28AE4F197D985595EAA2" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_2E7A8D5018E05EE1C5A97D9855946386" xlink:to="loc_us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis_00696A9391CD28AE4F197D985595EAA2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SignificantAcquisitionsAndDisposalsTransactionDomain" xlink:label="loc_us-gaap_SignificantAcquisitionsAndDisposalsTransactionDomain_35B97D0FFEA48620F3887D9855952533_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis_00696A9391CD28AE4F197D985595EAA2" xlink:to="loc_us-gaap_SignificantAcquisitionsAndDisposalsTransactionDomain_35B97D0FFEA48620F3887D9855952533_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SignificantAcquisitionsAndDisposalsTransactionDomain" xlink:label="loc_us-gaap_SignificantAcquisitionsAndDisposalsTransactionDomain_35B97D0FFEA48620F3887D9855952533" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis_00696A9391CD28AE4F197D985595EAA2" xlink:to="loc_us-gaap_SignificantAcquisitionsAndDisposalsTransactionDomain_35B97D0FFEA48620F3887D9855952533" xlink:type="arc" />
    <loc xlink:href="lode-20160331.xsd#lode_AdditionalLandandBuildingsMember" xlink:label="loc_lode_AdditionalLandandBuildingsMember_2E7402E8BAD3096BAF1F7D985595EDD0" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SignificantAcquisitionsAndDisposalsTransactionDomain_35B97D0FFEA48620F3887D9855952533" xlink:to="loc_lode_AdditionalLandandBuildingsMember_2E7402E8BAD3096BAF1F7D985595EDD0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="loc_us-gaap_DebtInstrumentAxis_B1D9F288C68101D68E877D98559515C8" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_2E7A8D5018E05EE1C5A97D9855946386" xlink:to="loc_us-gaap_DebtInstrumentAxis_B1D9F288C68101D68E877D98559515C8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_9C57FF8E998E1FA75B0F7D985595C205_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_B1D9F288C68101D68E877D98559515C8" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_9C57FF8E998E1FA75B0F7D985595C205_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_9C57FF8E998E1FA75B0F7D985595C205" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_B1D9F288C68101D68E877D98559515C8" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_9C57FF8E998E1FA75B0F7D985595C205" xlink:type="arc" />
    <loc xlink:href="lode-20160331.xsd#lode_NotePayableAurametFacilityMember" xlink:label="loc_lode_NotePayableAurametFacilityMember_1DCF7F7896CD41DA4BC87D985595A164" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9C57FF8E998E1FA75B0F7D985595C205" xlink:to="loc_lode_NotePayableAurametFacilityMember_1DCF7F7896CD41DA4BC87D985595A164" xlink:type="arc" />
    <loc xlink:href="lode-20160331.xsd#lode_NotePayableDaneyRanchPropertyMember" xlink:label="loc_lode_NotePayableDaneyRanchPropertyMember_5F245B6E36A578D574DC7D985595BFDC" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9C57FF8E998E1FA75B0F7D985595C205" xlink:to="loc_lode_NotePayableDaneyRanchPropertyMember_5F245B6E36A578D574DC7D985595BFDC" xlink:type="arc" />
    <loc xlink:href="lode-20160331.xsd#lode_NotePayableHardRockNevadaMember" xlink:label="loc_lode_NotePayableHardRockNevadaMember_6B4F42A82DB8AA1805087D9855956576" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9C57FF8E998E1FA75B0F7D985595C205" xlink:to="loc_lode_NotePayableHardRockNevadaMember_6B4F42A82DB8AA1805087D9855956576" xlink:type="arc" />
    <loc xlink:href="lode-20160331.xsd#lode_VarileaseCapitalLeaseObligationsMember" xlink:label="loc_lode_VarileaseCapitalLeaseObligationsMember_D05CD8212B1C86C441E07D985595C5CA" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9C57FF8E998E1FA75B0F7D985595C205" xlink:to="loc_lode_VarileaseCapitalLeaseObligationsMember_D05CD8212B1C86C441E07D985595C5CA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_B3193C091A61406B225A7D985595D98F" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_2E7A8D5018E05EE1C5A97D9855946386" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_B3193C091A61406B225A7D985595D98F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_044C6F455C7F87C7C1D57D985595DA38_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_B3193C091A61406B225A7D985595D98F" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_044C6F455C7F87C7C1D57D985595DA38_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_044C6F455C7F87C7C1D57D985595DA38" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_B3193C091A61406B225A7D985595D98F" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_044C6F455C7F87C7C1D57D985595DA38" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CapitalLeaseObligationsMember" xlink:label="loc_us-gaap_CapitalLeaseObligationsMember_1276668E9FB5517A6D527D9855958D41" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_044C6F455C7F87C7C1D57D985595DA38" xlink:to="loc_us-gaap_CapitalLeaseObligationsMember_1276668E9FB5517A6D527D9855958D41" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CreditFacilityAxis" xlink:label="loc_us-gaap_CreditFacilityAxis_C5EF16C01C961C3EEFE57D9855956B41" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_2E7A8D5018E05EE1C5A97D9855946386" xlink:to="loc_us-gaap_CreditFacilityAxis_C5EF16C01C961C3EEFE57D9855956B41" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:label="loc_us-gaap_CreditFacilityDomain_F2E69379E5A731ACADBB7D985595AF4D_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_C5EF16C01C961C3EEFE57D9855956B41" xlink:to="loc_us-gaap_CreditFacilityDomain_F2E69379E5A731ACADBB7D985595AF4D_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:label="loc_us-gaap_CreditFacilityDomain_F2E69379E5A731ACADBB7D985595AF4D" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_C5EF16C01C961C3EEFE57D9855956B41" xlink:to="loc_us-gaap_CreditFacilityDomain_F2E69379E5A731ACADBB7D985595AF4D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RevolvingCreditFacilityMember" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_300008A1F95BFB41D93E7D98559617E2" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_F2E69379E5A731ACADBB7D985595AF4D" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_300008A1F95BFB41D93E7D98559617E2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_ED4E34DF8F2CEA6D79947D98559665EF" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_68B0404A5B39D12BDA587D9855963B54" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_ED4E34DF8F2CEA6D79947D98559665EF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LineOfCredit" xlink:label="loc_us-gaap_LineOfCredit_52D369D545625146A1347D985596AE8C" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_68B0404A5B39D12BDA587D9855963B54" xlink:to="loc_us-gaap_LineOfCredit_52D369D545625146A1347D985596AE8C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProceedsFromLinesOfCredit" xlink:label="loc_us-gaap_ProceedsFromLinesOfCredit_07B80633C348E1CDB3D77D985596ECE0" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_68B0404A5B39D12BDA587D9855963B54" xlink:to="loc_us-gaap_ProceedsFromLinesOfCredit_07B80633C348E1CDB3D77D985596ECE0" xlink:type="arc" />
    <loc xlink:href="lode-20160331.xsd#lode_DebtInstrumentPrepaidInterestandFees" xlink:label="loc_lode_DebtInstrumentPrepaidInterestandFees_563C3E29C2C99F9B06307D985596473A" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_68B0404A5B39D12BDA587D9855963B54" xlink:to="loc_lode_DebtInstrumentPrepaidInterestandFees_563C3E29C2C99F9B06307D985596473A" xlink:type="arc" />
    <loc xlink:href="lode-20160331.xsd#lode_DebtInstrumentNumberofPayments" xlink:label="loc_lode_DebtInstrumentNumberofPayments_088BB8CAB04A79402F727D985597777F" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_68B0404A5B39D12BDA587D9855963B54" xlink:to="loc_lode_DebtInstrumentNumberofPayments_088BB8CAB04A79402F727D985597777F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentPeriodicPayment" xlink:label="loc_us-gaap_DebtInstrumentPeriodicPayment_5F82E504E60BB9D512577D9855973D66" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_68B0404A5B39D12BDA587D9855963B54" xlink:to="loc_us-gaap_DebtInstrumentPeriodicPayment_5F82E504E60BB9D512577D9855973D66" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentAnnualPrincipalPayment" xlink:label="loc_us-gaap_DebtInstrumentAnnualPrincipalPayment_1DD0EF32A437ED9224677D985597A539" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_68B0404A5B39D12BDA587D9855963B54" xlink:to="loc_us-gaap_DebtInstrumentAnnualPrincipalPayment_1DD0EF32A437ED9224677D985597A539" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd" xlink:label="loc_us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd_533E7C50577D2AD7E1BC7D985597B943" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_68B0404A5B39D12BDA587D9855963B54" xlink:to="loc_us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd_533E7C50577D2AD7E1BC7D985597B943" xlink:type="arc" />
    <loc xlink:href="lode-20160331.xsd#lode_DebtInstrumentCovenantComplianceRequiredLiquidityAmount" xlink:label="loc_lode_DebtInstrumentCovenantComplianceRequiredLiquidityAmount_2D16FE0308B3A22AE6D57D985597CB26" xlink:type="locator" />
    <definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_68B0404A5B39D12BDA587D9855963B54" xlink:to="loc_lode_DebtInstrumentCovenantComplianceRequiredLiquidityAmount_2D16FE0308B3A22AE6D57D985597CB26" xlink:type="arc" />
    <loc xlink:href="lode-20160331.xsd#lode_CompensatingBalancePercentageofValueofGoldorSilverDorePickedUpBySecuredCarrierButNotYetPaidFor" xlink:label="loc_lode_CompensatingBalancePercentageofValueofGoldorSilverDorePickedUpBySecuredCarrierButNotYetPaidFor_40AC857EAED00DB2AF6C7D985597492F" xlink:type="locator" />
    <definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_68B0404A5B39D12BDA587D9855963B54" xlink:to="loc_lode_CompensatingBalancePercentageofValueofGoldorSilverDorePickedUpBySecuredCarrierButNotYetPaidFor_40AC857EAED00DB2AF6C7D985597492F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RepaymentsOfLinesOfCredit" xlink:label="loc_us-gaap_RepaymentsOfLinesOfCredit_A2D1F74B1BF5F6A6F8467D9855975850" xlink:type="locator" />
    <definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_68B0404A5B39D12BDA587D9855963B54" xlink:to="loc_us-gaap_RepaymentsOfLinesOfCredit_A2D1F74B1BF5F6A6F8467D9855975850" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_CB8B6EA2EBB6C4E4AFB27D98559755B7" xlink:type="locator" />
    <definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_68B0404A5B39D12BDA587D9855963B54" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_CB8B6EA2EBB6C4E4AFB27D98559755B7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesPurchaseOfAssets" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesPurchaseOfAssets_03EA1DBE3555B291FBBC7D98559722BA" xlink:type="locator" />
    <definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_68B0404A5B39D12BDA587D9855963B54" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesPurchaseOfAssets_03EA1DBE3555B291FBBC7D98559722BA" xlink:type="arc" />
    <loc xlink:href="lode-20160331.xsd#lode_DebtInstrumentTermExtension" xlink:label="loc_lode_DebtInstrumentTermExtension_52FF7ACDFFC86EAF2E817D985597F487" xlink:type="locator" />
    <definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_68B0404A5B39D12BDA587D9855963B54" xlink:to="loc_lode_DebtInstrumentTermExtension_52FF7ACDFFC86EAF2E817D985597F487" xlink:type="arc" />
    <loc xlink:href="lode-20160331.xsd#lode_StockIssuedDuringPeriodSharesRepaymentofLongTermDebtObligations" xlink:label="loc_lode_StockIssuedDuringPeriodSharesRepaymentofLongTermDebtObligations_FA011949380C6294DE817D98559746F1" xlink:type="locator" />
    <definitionArc order="15" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_68B0404A5B39D12BDA587D9855963B54" xlink:to="loc_lode_StockIssuedDuringPeriodSharesRepaymentofLongTermDebtObligations_FA011949380C6294DE817D98559746F1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProceedsFromShortTermDebt" xlink:label="loc_us-gaap_ProceedsFromShortTermDebt_9015FE0E88F0935F48A27D985597F550" xlink:type="locator" />
    <definitionArc order="16" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_68B0404A5B39D12BDA587D9855963B54" xlink:to="loc_us-gaap_ProceedsFromShortTermDebt_9015FE0E88F0935F48A27D985597F550" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtIssuanceCosts" xlink:label="loc_us-gaap_DebtIssuanceCosts_0331850CF779828423347D98559846AD" xlink:type="locator" />
    <definitionArc order="17" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_68B0404A5B39D12BDA587D9855963B54" xlink:to="loc_us-gaap_DebtIssuanceCosts_0331850CF779828423347D98559846AD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_2B53E2A44AC952910E297D985598E5FD" xlink:type="locator" />
    <definitionArc order="18" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_68B0404A5B39D12BDA587D9855963B54" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_2B53E2A44AC952910E297D985598E5FD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SaleLeasebackTransactionMonthlyRentalPayments" xlink:label="loc_us-gaap_SaleLeasebackTransactionMonthlyRentalPayments_E6ACFCF7FB980B361C8E7D9855981840" xlink:type="locator" />
    <definitionArc order="19" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_68B0404A5B39D12BDA587D9855963B54" xlink:to="loc_us-gaap_SaleLeasebackTransactionMonthlyRentalPayments_E6ACFCF7FB980B361C8E7D9855981840" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SaleLeasebackTransactionGrossProceedsFinancingActivities" xlink:label="loc_us-gaap_SaleLeasebackTransactionGrossProceedsFinancingActivities_EA7E62A3280DCDF0F9467D985598A1BA" xlink:type="locator" />
    <definitionArc order="20" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_68B0404A5B39D12BDA587D9855963B54" xlink:to="loc_us-gaap_SaleLeasebackTransactionGrossProceedsFinancingActivities_EA7E62A3280DCDF0F9467D985598A1BA" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.comstockmining.com/role/LongTermDebtAndCapitalLeaseObligationsScheduleOfLongTermDebtDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_3272E6EB1E40552B7A5978DF2D87C605" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_5C82B55AA6FC553133D978DF2D86A5F5" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_3272E6EB1E40552B7A5978DF2D87C605" xlink:to="loc_us-gaap_DebtInstrumentTable_5C82B55AA6FC553133D978DF2D86A5F5" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="loc_us-gaap_DebtInstrumentAxis_BB21588215EB537221FF78DF2D86C86D" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_5C82B55AA6FC553133D978DF2D86A5F5" xlink:to="loc_us-gaap_DebtInstrumentAxis_BB21588215EB537221FF78DF2D86C86D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_D9C8ACABEF089DB6278E78DF2D86DF78_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_BB21588215EB537221FF78DF2D86C86D" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_D9C8ACABEF089DB6278E78DF2D86DF78_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_D9C8ACABEF089DB6278E78DF2D86DF78" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_BB21588215EB537221FF78DF2D86C86D" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_D9C8ACABEF089DB6278E78DF2D86DF78" xlink:type="arc" />
    <loc xlink:href="lode-20160331.xsd#lode_NotePayableAurametFacilityMember" xlink:label="loc_lode_NotePayableAurametFacilityMember_423684B0259C05BF670F78DF2D86FD86" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_D9C8ACABEF089DB6278E78DF2D86DF78" xlink:to="loc_lode_NotePayableAurametFacilityMember_423684B0259C05BF670F78DF2D86FD86" xlink:type="arc" />
    <loc xlink:href="lode-20160331.xsd#lode_NotePayableCaterpillarEquipmentFacility1Member" xlink:label="loc_lode_NotePayableCaterpillarEquipmentFacility1Member_B687CCE542D3CE61134178DF2D86692B" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_D9C8ACABEF089DB6278E78DF2D86DF78" xlink:to="loc_lode_NotePayableCaterpillarEquipmentFacility1Member_B687CCE542D3CE61134178DF2D86692B" xlink:type="arc" />
    <loc xlink:href="lode-20160331.xsd#lode_NotePayableVTMember" xlink:label="loc_lode_NotePayableVTMember_74BDAA94F13B68A7728878DF2D86EB48" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_D9C8ACABEF089DB6278E78DF2D86DF78" xlink:to="loc_lode_NotePayableVTMember_74BDAA94F13B68A7728878DF2D86EB48" xlink:type="arc" />
    <loc xlink:href="lode-20160331.xsd#lode_NotePayableDaytonPropertyGoldenGooseMember" xlink:label="loc_lode_NotePayableDaytonPropertyGoldenGooseMember_05110D9A7BDA6176165978DF2D867706" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_D9C8ACABEF089DB6278E78DF2D86DF78" xlink:to="loc_lode_NotePayableDaytonPropertyGoldenGooseMember_05110D9A7BDA6176165978DF2D867706" xlink:type="arc" />
    <loc xlink:href="lode-20160331.xsd#lode_NotePayableDonovanPropertyMember" xlink:label="loc_lode_NotePayableDonovanPropertyMember_034E9AA23419DC29E44178DF2D86070A" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_D9C8ACABEF089DB6278E78DF2D86DF78" xlink:to="loc_lode_NotePayableDonovanPropertyMember_034E9AA23419DC29E44178DF2D86070A" xlink:type="arc" />
    <loc xlink:href="lode-20160331.xsd#lode_NotePayableHardRockNevadaMember" xlink:label="loc_lode_NotePayableHardRockNevadaMember_D3F3B987BFEF6DE786C878DF2D8695F6" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_D9C8ACABEF089DB6278E78DF2D86DF78" xlink:to="loc_lode_NotePayableHardRockNevadaMember_D3F3B987BFEF6DE786C878DF2D8695F6" xlink:type="arc" />
    <loc xlink:href="lode-20160331.xsd#lode_NotePayableWhiteHouseMember" xlink:label="loc_lode_NotePayableWhiteHouseMember_574D0AA8D5828189E25878DF2D86221F" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_D9C8ACABEF089DB6278E78DF2D86DF78" xlink:to="loc_lode_NotePayableWhiteHouseMember_574D0AA8D5828189E25878DF2D86221F" xlink:type="arc" />
    <loc xlink:href="lode-20160331.xsd#lode_NotesPayableOtherMember" xlink:label="loc_lode_NotesPayableOtherMember_BDB5C9E2847AEF52FB7478DF2D86D3F9" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_D9C8ACABEF089DB6278E78DF2D86DF78" xlink:to="loc_lode_NotesPayableOtherMember_BDB5C9E2847AEF52FB7478DF2D86D3F9" xlink:type="arc" />
    <loc xlink:href="lode-20160331.xsd#lode_NotePayableGoldHillHotelMember" xlink:label="loc_lode_NotePayableGoldHillHotelMember_E8A63D4BA86B3F5458CD78DF2D86FEBD" xlink:type="locator" />
    <definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_D9C8ACABEF089DB6278E78DF2D86DF78" xlink:to="loc_lode_NotePayableGoldHillHotelMember_E8A63D4BA86B3F5458CD78DF2D86FEBD" xlink:type="arc" />
    <loc xlink:href="lode-20160331.xsd#lode_NotePayableRailroadAndGoldPropertyMember" xlink:label="loc_lode_NotePayableRailroadAndGoldPropertyMember_CB82E2E0C32B51F8816878DF2D8675F4" xlink:type="locator" />
    <definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_D9C8ACABEF089DB6278E78DF2D86DF78" xlink:to="loc_lode_NotePayableRailroadAndGoldPropertyMember_CB82E2E0C32B51F8816878DF2D8675F4" xlink:type="arc" />
    <loc xlink:href="lode-20160331.xsd#lode_NotePayableDaneyRanchPropertyMember" xlink:label="loc_lode_NotePayableDaneyRanchPropertyMember_85FE9BF3F3AF12EAB0A178DF2D876F3D" xlink:type="locator" />
    <definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_D9C8ACABEF089DB6278E78DF2D86DF78" xlink:to="loc_lode_NotePayableDaneyRanchPropertyMember_85FE9BF3F3AF12EAB0A178DF2D876F3D" xlink:type="arc" />
    <loc xlink:href="lode-20160331.xsd#lode_VarileaseCapitalLeaseObligationsMember" xlink:label="loc_lode_VarileaseCapitalLeaseObligationsMember_383CC5540E4BF81099A778DF2D873A8B" xlink:type="locator" />
    <definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_D9C8ACABEF089DB6278E78DF2D86DF78" xlink:to="loc_lode_VarileaseCapitalLeaseObligationsMember_383CC5540E4BF81099A778DF2D873A8B" xlink:type="arc" />
    <loc xlink:href="lode-20160331.xsd#lode_A4.45NotePayableCatepillarEquipmentFacilityMember" xlink:label="loc_lode_A4.45NotePayableCatepillarEquipmentFacilityMember_9F7D6B61FAE506CD809878DF2D87E498" xlink:type="locator" />
    <definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_D9C8ACABEF089DB6278E78DF2D86DF78" xlink:to="loc_lode_A4.45NotePayableCatepillarEquipmentFacilityMember_9F7D6B61FAE506CD809878DF2D87E498" xlink:type="arc" />
    <loc xlink:href="lode-20160331.xsd#lode_KimballCapitalLeaseObligationsMember" xlink:label="loc_lode_KimballCapitalLeaseObligationsMember_6EED8979EDB568967D6278DF2D87A244" xlink:type="locator" />
    <definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_D9C8ACABEF089DB6278E78DF2D86DF78" xlink:to="loc_lode_KimballCapitalLeaseObligationsMember_6EED8979EDB568967D6278DF2D87A244" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_0648F817A70FF97A23A778DF2D879A85" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_5C82B55AA6FC553133D978DF2D86A5F5" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_0648F817A70FF97A23A778DF2D879A85" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_CD993ECA39C466CBD35078DF2D879279_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_0648F817A70FF97A23A778DF2D879A85" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_CD993ECA39C466CBD35078DF2D879279_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_CD993ECA39C466CBD35078DF2D879279" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_0648F817A70FF97A23A778DF2D879A85" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_CD993ECA39C466CBD35078DF2D879279" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CapitalLeaseObligationsMember" xlink:label="loc_us-gaap_CapitalLeaseObligationsMember_A385678D6E64A1ED9EE078DF2D872E55" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_CD993ECA39C466CBD35078DF2D879279" xlink:to="loc_us-gaap_CapitalLeaseObligationsMember_A385678D6E64A1ED9EE078DF2D872E55" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_12E474ED85281ED11CC978DF2D871849" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_3272E6EB1E40552B7A5978DF2D87C605" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_12E474ED85281ED11CC978DF2D871849" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_F050DF6D670FEFB924C578DF2D87750A" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_3272E6EB1E40552B7A5978DF2D87C605" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_F050DF6D670FEFB924C578DF2D87750A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_52E0D3F2423212CC250778DF2D871387" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_3272E6EB1E40552B7A5978DF2D87C605" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_52E0D3F2423212CC250778DF2D871387" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.comstockmining.com/role/LongTermDebtAndCapitalLeaseObligationsTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.comstockmining.com/role/LongTermReclamationLiabilityAndRetirementObligationAsset" xlink:type="extended" />
  <definitionLink xlink:role="http://www.comstockmining.com/role/LongTermReclamationLiabilityAndRetirementObligationAssetReconciliationOfAggregateRetirementAssetDetails" xlink:type="extended" />
  <definitionLink xlink:role="http://www.comstockmining.com/role/LongTermReclamationLiabilityAndRetirementObligationAssetReconciliationOfAggregateRetirementLiabilityDetails" xlink:type="extended" />
  <definitionLink xlink:role="http://www.comstockmining.com/role/LongTermReclamationLiabilityAndRetirementObligationAssetTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.comstockmining.com/role/NetIncomeLossPerCommonShare" xlink:type="extended" />
  <definitionLink xlink:role="http://www.comstockmining.com/role/NetIncomeLossPerCommonShareReconciliationOfNetLossPerShareDetails" xlink:type="extended" />
  <definitionLink xlink:role="http://www.comstockmining.com/role/NetIncomeLossPerCommonShareScheduleOfExcludedCommonStockEquivalentSharesDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_D65DD27210D0871A76787A11E36147EC" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable" xlink:label="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_93D3E2A210E24DE8EA6B7A11E361E205" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_D65DD27210D0871A76787A11E36147EC" xlink:to="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_93D3E2A210E24DE8EA6B7A11E361E205" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_56A3AB4A56202D9C85F47A11E36113D0" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_93D3E2A210E24DE8EA6B7A11E361E205" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_56A3AB4A56202D9C85F47A11E36113D0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AntidilutiveSecuritiesNameDomain" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_91DBF41BA38B961DB3437A11E361AB60_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_56A3AB4A56202D9C85F47A11E36113D0" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_91DBF41BA38B961DB3437A11E361AB60_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AntidilutiveSecuritiesNameDomain" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_91DBF41BA38B961DB3437A11E361AB60" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_56A3AB4A56202D9C85F47A11E36113D0" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_91DBF41BA38B961DB3437A11E361AB60" xlink:type="arc" />
    <loc xlink:href="lode-20160331.xsd#lode_StockOptionandWarrantMember" xlink:label="loc_lode_StockOptionandWarrantMember_3501BFE41C897CE844F77A11E3619FCE" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_91DBF41BA38B961DB3437A11E361AB60" xlink:to="loc_lode_StockOptionandWarrantMember_3501BFE41C897CE844F77A11E3619FCE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RestrictedStockMember" xlink:label="loc_us-gaap_RestrictedStockMember_217E94941D5664318F827A11E36102B0" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_91DBF41BA38B961DB3437A11E361AB60" xlink:to="loc_us-gaap_RestrictedStockMember_217E94941D5664318F827A11E36102B0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_CA07C3ABECCEA82C2C107A11E361B760" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_D65DD27210D0871A76787A11E36147EC" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_CA07C3ABECCEA82C2C107A11E361B760" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.comstockmining.com/role/NetIncomeLossPerCommonShareTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.comstockmining.com/role/PrepaidExpensesAndOtherCurrentAssets" xlink:type="extended" />
  <definitionLink xlink:role="http://www.comstockmining.com/role/PrepaidExpensesAndOtherCurrentAssetsDetails" xlink:type="extended" />
  <definitionLink xlink:role="http://www.comstockmining.com/role/PrepaidExpensesAndOtherCurrentAssetsTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.comstockmining.com/role/PropertiesPlantAndEquipment" xlink:type="extended" />
  <definitionLink xlink:role="http://www.comstockmining.com/role/PropertiesPlantAndEquipmentDetails" xlink:type="extended" />
  <definitionLink xlink:role="http://www.comstockmining.com/role/SegmentReporting" xlink:type="extended" />
  <definitionLink xlink:role="http://www.comstockmining.com/role/SegmentReportingDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_29C3F380B13526B008227372F1E4AE46" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_A185DAD6C583FB545DD67372F1E47D0F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_29C3F380B13526B008227372F1E4AE46" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_A185DAD6C583FB545DD67372F1E47D0F" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_04D2ED327B643B45DB767372F1E4C40C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_A185DAD6C583FB545DD67372F1E47D0F" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_04D2ED327B643B45DB767372F1E4C40C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_F631C82A70213A1A6BF57372F1E4D8F8_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_04D2ED327B643B45DB767372F1E4C40C" xlink:to="loc_us-gaap_SegmentDomain_F631C82A70213A1A6BF57372F1E4D8F8_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_F631C82A70213A1A6BF57372F1E4D8F8" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_04D2ED327B643B45DB767372F1E4C40C" xlink:to="loc_us-gaap_SegmentDomain_F631C82A70213A1A6BF57372F1E4D8F8" xlink:type="arc" />
    <loc xlink:href="lode-20160331.xsd#lode_MiningMember" xlink:label="loc_lode_MiningMember_AA1DEDC2E74C41B6F2BE7372F1E4E6FE" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_F631C82A70213A1A6BF57372F1E4D8F8" xlink:to="loc_lode_MiningMember_AA1DEDC2E74C41B6F2BE7372F1E4E6FE" xlink:type="arc" />
    <loc xlink:href="lode-20160331.xsd#lode_RealEstateSegmentMember" xlink:label="loc_lode_RealEstateSegmentMember_A6BD46F066A73747CFDB7372F1E4B811" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_F631C82A70213A1A6BF57372F1E4D8F8" xlink:to="loc_lode_RealEstateSegmentMember_A6BD46F066A73747CFDB7372F1E4B811" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_Revenues" xlink:label="loc_us-gaap_Revenues_879FE90EC6B3D9AA61667372F1E4B37F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_29C3F380B13526B008227372F1E4AE46" xlink:to="loc_us-gaap_Revenues_879FE90EC6B3D9AA61667372F1E4B37F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CostsAndExpenses" xlink:label="loc_us-gaap_CostsAndExpenses_B1D74AB5B5291F4B8DF67372F1E5ECEA" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_29C3F380B13526B008227372F1E4AE46" xlink:to="loc_us-gaap_CostsAndExpenses_B1D74AB5B5291F4B8DF67372F1E5ECEA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_85F0A0CC57C430EFDEC07372F1E54F71" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_29C3F380B13526B008227372F1E4AE46" xlink:to="loc_us-gaap_OperatingIncomeLoss_85F0A0CC57C430EFDEC07372F1E54F71" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NonoperatingIncomeExpense" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_24F58A9534402CF53F057372F1E5B2EF" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_29C3F380B13526B008227372F1E4AE46" xlink:to="loc_us-gaap_NonoperatingIncomeExpense_24F58A9534402CF53F057372F1E5B2EF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_539CD940FEBDB7C919827372F1E5E5E8" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_29C3F380B13526B008227372F1E4AE46" xlink:to="loc_us-gaap_NetIncomeLoss_539CD940FEBDB7C919827372F1E5E5E8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_5FE774580A5A8CC186BA7372F1E5EDA6" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_29C3F380B13526B008227372F1E4AE46" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_5FE774580A5A8CC186BA7372F1E5EDA6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PaymentsToAcquireProductiveAssets" xlink:label="loc_us-gaap_PaymentsToAcquireProductiveAssets_8F9B4C9AAD7C959A78277372F1E53DC3" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_29C3F380B13526B008227372F1E4AE46" xlink:to="loc_us-gaap_PaymentsToAcquireProductiveAssets_8F9B4C9AAD7C959A78277372F1E53DC3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_F6B516041D7A86016F0B7372F1E585B5" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_29C3F380B13526B008227372F1E4AE46" xlink:to="loc_us-gaap_Assets_F6B516041D7A86016F0B7372F1E585B5" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.comstockmining.com/role/SegmentReportingTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.comstockmining.com/role/StockholdersEquity" xlink:type="extended" />
  <definitionLink xlink:role="http://www.comstockmining.com/role/StockholdersEquityNarrativeDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ClassOfStockLineItems" xlink:label="loc_us-gaap_ClassOfStockLineItems_575138A80CC1C00A3F8B7D98EC887CBE" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfStockByClassTable" xlink:label="loc_us-gaap_ScheduleOfStockByClassTable_E1EF13D637445E240B4D7D98EC882CBA" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ClassOfStockLineItems_575138A80CC1C00A3F8B7D98EC887CBE" xlink:to="loc_us-gaap_ScheduleOfStockByClassTable_E1EF13D637445E240B4D7D98EC882CBA" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_314B2EF2DD566FCE3F2C7D98EC8855C1" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_E1EF13D637445E240B4D7D98EC882CBA" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_314B2EF2DD566FCE3F2C7D98EC8855C1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_ED98475E960266AD85477D98EC888F02_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_314B2EF2DD566FCE3F2C7D98EC8855C1" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_ED98475E960266AD85477D98EC888F02_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_ED98475E960266AD85477D98EC888F02" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_314B2EF2DD566FCE3F2C7D98EC8855C1" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_ED98475E960266AD85477D98EC888F02" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CapitalLeaseObligationsMember" xlink:label="loc_us-gaap_CapitalLeaseObligationsMember_5B6183740689105F91197D98EC889229" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_ED98475E960266AD85477D98EC888F02" xlink:to="loc_us-gaap_CapitalLeaseObligationsMember_5B6183740689105F91197D98EC889229" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="loc_us-gaap_DebtInstrumentAxis_50EED8899B93E95FB3E07D98EC88E61C" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_E1EF13D637445E240B4D7D98EC882CBA" xlink:to="loc_us-gaap_DebtInstrumentAxis_50EED8899B93E95FB3E07D98EC88E61C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_7BD148D3C0EEDE2C4A067D98EC888D83_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_50EED8899B93E95FB3E07D98EC88E61C" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_7BD148D3C0EEDE2C4A067D98EC888D83_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_7BD148D3C0EEDE2C4A067D98EC888D83" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_50EED8899B93E95FB3E07D98EC88E61C" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_7BD148D3C0EEDE2C4A067D98EC888D83" xlink:type="arc" />
    <loc xlink:href="lode-20160331.xsd#lode_VarileaseCapitalLeaseObligationsMember" xlink:label="loc_lode_VarileaseCapitalLeaseObligationsMember_4710EEB85277CD5E82437D98EC888726" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_7BD148D3C0EEDE2C4A067D98EC888D83" xlink:to="loc_lode_VarileaseCapitalLeaseObligationsMember_4710EEB85277CD5E82437D98EC888726" xlink:type="arc" />
    <loc xlink:href="lode-20160331.xsd#lode_ProceedsIssuanceofCommonStockGross" xlink:label="loc_lode_ProceedsIssuanceofCommonStockGross_A7AEC8262990B76295357D98EC8810B2" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_575138A80CC1C00A3F8B7D98EC887CBE" xlink:to="loc_lode_ProceedsIssuanceofCommonStockGross_A7AEC8262990B76295357D98EC8810B2" xlink:type="arc" />
    <loc xlink:href="lode-20160331.xsd#lode_ProceedsFromIssuanceOfCommonStockNetOfExpenses" xlink:label="loc_lode_ProceedsFromIssuanceOfCommonStockNetOfExpenses_F5E1029EFC589524525C7D98EC8999EA" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_575138A80CC1C00A3F8B7D98EC887CBE" xlink:to="loc_lode_ProceedsFromIssuanceOfCommonStockNetOfExpenses_F5E1029EFC589524525C7D98EC8999EA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_E9BEB045685CBF9976CC7D98EC892611" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_575138A80CC1C00A3F8B7D98EC887CBE" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_E9BEB045685CBF9976CC7D98EC892611" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SharesIssuedPricePerShare" xlink:label="loc_us-gaap_SharesIssuedPricePerShare_8861726F693CEE30AFE37D98EC895D0A" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_575138A80CC1C00A3F8B7D98EC887CBE" xlink:to="loc_us-gaap_SharesIssuedPricePerShare_8861726F693CEE30AFE37D98EC895D0A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts_FD9960953193A66C257F7D98EC89AC6D" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_575138A80CC1C00A3F8B7D98EC887CBE" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts_FD9960953193A66C257F7D98EC89AC6D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesPurchaseOfAssets" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesPurchaseOfAssets_F4765AF5409C5CF474EF7D98EC89982B" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_575138A80CC1C00A3F8B7D98EC887CBE" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesPurchaseOfAssets_F4765AF5409C5CF474EF7D98EC89982B" xlink:type="arc" />
    <loc xlink:href="lode-20160331.xsd#lode_StockIssuedDuringPeriodSharesRepaymentofLongTermDebtObligations" xlink:label="loc_lode_StockIssuedDuringPeriodSharesRepaymentofLongTermDebtObligations_63E577D29528CAFEA1807D98EC896F25" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_575138A80CC1C00A3F8B7D98EC887CBE" xlink:to="loc_lode_StockIssuedDuringPeriodSharesRepaymentofLongTermDebtObligations_63E577D29528CAFEA1807D98EC896F25" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.comstockmining.com/role/SubsequentEvents" xlink:type="extended" />
  <definitionLink xlink:role="http://www.comstockmining.com/role/SubsequentEventsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SubsequentEventLineItems" xlink:label="loc_us-gaap_SubsequentEventLineItems_631E86BED28D28F862A57D98EC1B5578" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SubsequentEventTable" xlink:label="loc_us-gaap_SubsequentEventTable_03E9C5F1FAF2E1B519907D98EC199CBC" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SubsequentEventLineItems_631E86BED28D28F862A57D98EC1B5578" xlink:to="loc_us-gaap_SubsequentEventTable_03E9C5F1FAF2E1B519907D98EC199CBC" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="loc_us-gaap_DebtInstrumentAxis_CD6D539C2817901B12A97D9B53719EB9" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsequentEventTable_03E9C5F1FAF2E1B519907D98EC199CBC" xlink:to="loc_us-gaap_DebtInstrumentAxis_CD6D539C2817901B12A97D9B53719EB9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_1D17C760976098B539F17D9B5376E0C8_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_CD6D539C2817901B12A97D9B53719EB9" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_1D17C760976098B539F17D9B5376E0C8_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_1D17C760976098B539F17D9B5376E0C8" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_CD6D539C2817901B12A97D9B53719EB9" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_1D17C760976098B539F17D9B5376E0C8" xlink:type="arc" />
    <loc xlink:href="lode-20160331.xsd#lode_NotePayableAurametFacilityMember" xlink:label="loc_lode_NotePayableAurametFacilityMember_391B5CD0106BCFC695C87D9B541895B3" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_1D17C760976098B539F17D9B5376E0C8" xlink:to="loc_lode_NotePayableAurametFacilityMember_391B5CD0106BCFC695C87D9B541895B3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CreditFacilityAxis" xlink:label="loc_us-gaap_CreditFacilityAxis_771B3C01E74961EB9AB17D98EC190F95" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsequentEventTable_03E9C5F1FAF2E1B519907D98EC199CBC" xlink:to="loc_us-gaap_CreditFacilityAxis_771B3C01E74961EB9AB17D98EC190F95" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:label="loc_us-gaap_CreditFacilityDomain_024FE9752495956E9A437D98EC1B2768_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_771B3C01E74961EB9AB17D98EC190F95" xlink:to="loc_us-gaap_CreditFacilityDomain_024FE9752495956E9A437D98EC1B2768_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:label="loc_us-gaap_CreditFacilityDomain_024FE9752495956E9A437D98EC1B2768" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_771B3C01E74961EB9AB17D98EC190F95" xlink:to="loc_us-gaap_CreditFacilityDomain_024FE9752495956E9A437D98EC1B2768" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RevolvingCreditFacilityMember" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_73B6FAAB0D9FBFF5337B7D98EC1B1909" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_024FE9752495956E9A437D98EC1B2768" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_73B6FAAB0D9FBFF5337B7D98EC1B1909" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SubsequentEventTypeAxis" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_42CDD5565C5934A326277D98EC1B0471" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsequentEventTable_03E9C5F1FAF2E1B519907D98EC199CBC" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_42CDD5565C5934A326277D98EC1B0471" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_2A1246C56203D4842BA37D98EC1BDB6F_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_42CDD5565C5934A326277D98EC1B0471" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_2A1246C56203D4842BA37D98EC1BDB6F_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_2A1246C56203D4842BA37D98EC1BDB6F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_42CDD5565C5934A326277D98EC1B0471" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_2A1246C56203D4842BA37D98EC1BDB6F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SubsequentEventMember" xlink:label="loc_us-gaap_SubsequentEventMember_D50A922DE11CB557F1C07D98EC1B9D0A" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_2A1246C56203D4842BA37D98EC1BDB6F" xlink:to="loc_us-gaap_SubsequentEventMember_D50A922DE11CB557F1C07D98EC1B9D0A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RepaymentsOfLinesOfCredit" xlink:label="loc_us-gaap_RepaymentsOfLinesOfCredit_84CACD50662CA2C197AF7D98EC1BB312" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_631E86BED28D28F862A57D98EC1B5578" xlink:to="loc_us-gaap_RepaymentsOfLinesOfCredit_84CACD50662CA2C197AF7D98EC1BB312" xlink:type="arc" />
    <loc xlink:href="lode-20160331.xsd#lode_NumberofPropertiesSold" xlink:label="loc_lode_NumberofPropertiesSold_8C43B4B3CE7D7D3ED5BD7D98EC1B0B05" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_631E86BED28D28F862A57D98EC1B5578" xlink:to="loc_lode_NumberofPropertiesSold_8C43B4B3CE7D7D3ED5BD7D98EC1B0B05" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProceedsFromSaleOfLandHeldForUse" xlink:label="loc_us-gaap_ProceedsFromSaleOfLandHeldForUse_D2E1FA33AEA845FB97417D98EC1B32AF" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_631E86BED28D28F862A57D98EC1B5578" xlink:to="loc_us-gaap_ProceedsFromSaleOfLandHeldForUse_D2E1FA33AEA845FB97417D98EC1B32AF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_488A5181E077B8BCB7907D98EC1B94AD" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_631E86BED28D28F862A57D98EC1B5578" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_488A5181E077B8BCB7907D98EC1B94AD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_1B9CA2E3254B0AF270A17D98EC1BE71E" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_631E86BED28D28F862A57D98EC1B5578" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_1B9CA2E3254B0AF270A17D98EC1BE71E" xlink:type="arc" />
  </definitionLink>
</linkbase>
