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  <xsd:element id="lode_AmortizationOfObligationsAndFinanceLeases" name="AmortizationOfObligationsAndFinanceLeases" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element id="lode_AmortizationOnDiscountAssociatedWithFinanceLeases" name="AmortizationOnDiscountAssociatedWithFinanceLeases" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element id="lode_AssetAcquisitionConsiderationTransferredLiabilitiesIncurred" name="AssetAcquisitionConsiderationTransferredLiabilitiesIncurred" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element id="lode_AssetAcquisitionContingentConsiderationLiabilityInterest" name="AssetAcquisitionContingentConsiderationLiabilityInterest" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
  <xsd:element id="lode_AssetAcquisitionContingentConsiderationLiabilityMonthlyPaymentAfter18Months" name="AssetAcquisitionContingentConsiderationLiabilityMonthlyPaymentAfter18Months" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
  <xsd:element id="lode_AssetAcquisitionContingentConsiderationLiabilityMonthlyPaymentFirst18Months" name="AssetAcquisitionContingentConsiderationLiabilityMonthlyPaymentFirst18Months" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
  <xsd:element id="lode_AssetAcquisitionContingentConsiderationLiabilityNetOfInterest" name="AssetAcquisitionContingentConsiderationLiabilityNetOfInterest" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
  <xsd:element id="lode_AssetAcquisitionDiscount" name="AssetAcquisitionDiscount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
  <xsd:element id="lode_AssetAcquisitionFinancingRate" name="AssetAcquisitionFinancingRate" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:percentItemType" xbrli:periodType="instant"/>
  <xsd:element id="lode_AssetAcquisitionInterestRatePercent" name="AssetAcquisitionInterestRatePercent" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:percentItemType" xbrli:periodType="instant"/>
  <xsd:element id="lode_AssetAcquisitionPercentageOfFutureMonthlyConsolidatedSales" name="AssetAcquisitionPercentageOfFutureMonthlyConsolidatedSales" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:percentItemType" xbrli:periodType="instant"/>
  <xsd:element abstract="true" id="lode_AssetPurchaseAgreementMember" name="AssetPurchaseAgreementMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lode_AstLeaseAmendmentMember" name="AstLeaseAmendmentMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lode_AstLicenseAgreementMember" name="AstLicenseAgreementMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lode_BindingMipaWithMackayMember" name="BindingMipaWithMackayMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lode_BioleumCorporationMember" name="BioleumCorporationMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lode_BioleumSegmentMember" name="BioleumSegmentMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lode_CambridgeLandAndPremisesLeaseMember" name="CambridgeLandAndPremisesLeaseMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="lode_CashRetainersExpense" name="CashRetainersExpense" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lode_ChiefExecutiveOfficerAndTwoDirectorsMember" name="ChiefExecutiveOfficerAndTwoDirectorsMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="lode_ClassOfWarrantOrRightExercises" name="ClassOfWarrantOrRightExercises" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration"/>
  <xsd:element id="lode_ClassOfWarrantOrRightExpired" name="ClassOfWarrantOrRightExpired" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration"/>
  <xsd:element id="lode_CompensationAndCashPaymentPerYear" name="CompensationAndCashPaymentPerYear" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lode_ComstockFuelsEquityMember" name="ComstockFuelsEquityMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lode_ComstockMetalsMember" name="ComstockMetalsMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lode_ComstockMineralEstateMember" name="ComstockMineralEstateMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lode_ConfidentiallyMarketedPublicOfferingMember" name="ConfidentiallyMarketedPublicOfferingMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lode_ConversionOfKipsBayNote2025ToCommonStockMember" name="ConversionOfKipsBayNote2025ToCommonStockMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lode_ConversionOfSierraSpringsAdvancesIntoSierraSpringsCommonStockMember" name="ConversionOfSierraSpringsAdvancesIntoSierraSpringsCommonStockMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lode_ConversionOfTheAlvinFund2022NoteAndAlvinFund2023NoteIntoCommonSharesMember" name="ConversionOfTheAlvinFund2022NoteAndAlvinFund2023NoteIntoCommonSharesMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lode_ConversionOfTheAmendedAlvinFund2022NoteIntoCommonSharesMember" name="ConversionOfTheAmendedAlvinFund2022NoteIntoCommonSharesMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lode_ConversionOfTheAmendedGhfInc2021NotesIntoCommonStockMember" name="ConversionOfTheAmendedGhfInc2021NotesIntoCommonStockMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lode_ConversionOfTrueUpProvisionMember" name="ConversionOfTrueUpProvisionMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lode_DaneyRanchSaleNoteReceivableMember" name="DaneyRanchSaleNoteReceivableMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lode_DebtAndAccruedInterestConvertedIntoCommonSharesMember" name="DebtAndAccruedInterestConvertedIntoCommonSharesMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="lode_DebtConversionConversionRatePricePerShare" name="DebtConversionConversionRatePricePerShare" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lode_DecommissioningServicesMember" name="DecommissioningServicesMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="lode_DepositsOnEquipment" name="DepositsOnEquipment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element id="lode_DepreciationAndAmortizationExcludingAmortizationOfFinanceLeaseAndDebtDiscount" name="DepreciationAndAmortizationExcludingAmortizationOfFinanceLeaseAndDebtDiscount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element id="lode_DisposalGroupPercentageOfRightTitleAndInterestSold" name="DisposalGroupPercentageOfRightTitleAndInterestSold" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:percentItemType" xbrli:periodType="instant"/>
  <xsd:element abstract="true" id="lode_DocumentAndEntityInformation" name="DocumentAndEntityInformation" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lode_DrVillamagnaMember" name="DrVillamagnaMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="lode_EquityOfferingMaximumAmount" name="EquityOfferingMaximumAmount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
  <xsd:element id="lode_EquityOfferingRemainingCapacityAmount" name="EquityOfferingRemainingCapacityAmount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
  <xsd:element abstract="true" id="lode_ExcludingFluxPhotonMember" name="ExcludingFluxPhotonMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lode_ExtinguishmentOfAlvinFundPromissoryNotesMember" name="ExtinguishmentOfAlvinFundPromissoryNotesMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lode_FPCAssetPurchaseAgreementMember" name="FPCAssetPurchaseAgreementMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="lode_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationPurchasesSales" name="FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationPurchasesSales" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element id="lode_FinanceAndOperatingLeasesTextBlock" name="FinanceAndOperatingLeasesTextBlock" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType" xbrli:periodType="duration"/>
  <xsd:element id="lode_FinanceLeaseExpense" name="FinanceLeaseExpense" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element id="lode_FinanceLeaseLiabilityToBePaidAfterYearFour" name="FinanceLeaseLiabilityToBePaidAfterYearFour" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
  <xsd:element id="lode_FiniteLivedIntangibleAssetsImpairmentBeforeAdjustment" name="FiniteLivedIntangibleAssetsImpairmentBeforeAdjustment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element id="lode_FinitelivedIntangibleAssetExpectedAmortizationAfterYearFour" name="FinitelivedIntangibleAssetExpectedAmortizationAfterYearFour" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
  <xsd:element id="lode_FinitelivedIntangibleAssetsAccumulatedAmortizationImpairment" name="FinitelivedIntangibleAssetsAccumulatedAmortizationImpairment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lode_FluxPhotonCorporationFPCMember" name="FluxPhotonCorporationFPCMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lode_FluxPhotonMember" name="FluxPhotonMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lode_FormerLinicoChiefExecutiveOfficerMember" name="FormerLinicoChiefExecutiveOfficerMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lode_FoundersGroupMember" name="FoundersGroupMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lode_FpcAffiliatesMember" name="FpcAffiliatesMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lode_FpcAssetsEarnOutMember" name="FpcAssetsEarnOutMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lode_FpcSettlementSharesMember" name="FpcSettlementSharesMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lode_FuelsProcessingMember" name="FuelsProcessingMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="lode_GainLossOnConversionOfDebt" name="GainLossOnConversionOfDebt" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element id="lode_GainLossOnExtinguishmentOfLiability" name="GainLossOnExtinguishmentOfLiability" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element id="lode_GainLossOnSaleOfRoyaltyRights" name="GainLossOnSaleOfRoyaltyRights" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lode_GeorgesTrustDerivativeInstrumentMember" name="GeorgesTrustDerivativeInstrumentMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lode_GeorgesTrustMember" name="GeorgesTrustMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="lode_GovernmentAssistanceAwardAmountEachTranche" name="GovernmentAssistanceAwardAmountEachTranche" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
  <xsd:element id="lode_GovernmentAssistanceCovenantMinimumInvestmentsTowardsMachineryEngineeringAndMaterials" name="GovernmentAssistanceCovenantMinimumInvestmentsTowardsMachineryEngineeringAndMaterials" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
  <xsd:element id="lode_GovernmentAssistanceLiabilityAccruedExpensesAndOtherLiabilities" name="GovernmentAssistanceLiabilityAccruedExpensesAndOtherLiabilities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
  <xsd:element id="lode_GovernmentAssistanceLiabilityLongtermDeferredRevenue" name="GovernmentAssistanceLiabilityLongtermDeferredRevenue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
  <xsd:element id="lode_GovernmentAssistanceNumberOfTranche" name="GovernmentAssistanceNumberOfTranche" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant"/>
  <xsd:element id="lode_GovernmentAssistanceRequirementAverageSalaryPerPerson" name="GovernmentAssistanceRequirementAverageSalaryPerPerson" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
  <xsd:element id="lode_GovernmentAssistanceRequirementInvestmentAmount" name="GovernmentAssistanceRequirementInvestmentAmount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
  <xsd:element id="lode_GovernmentAssistanceRequirementNumberOfJobsCreate" name="GovernmentAssistanceRequirementNumberOfJobsCreate" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant"/>
  <xsd:element abstract="true" id="lode_GreenLiionPteLtdMember" name="GreenLiionPteLtdMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="lode_GuarantyMeasurementInput" name="GuarantyMeasurementInput" nillable="true" substitutionGroup="xbrli:item" type="xbrli:pureItemType" xbrli:periodType="instant"/>
  <xsd:element abstract="true" id="lode_HaywoodDerivativeInstrumentMember" name="HaywoodDerivativeInstrumentMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lode_HexasMember" name="HexasMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lode_HexasSafeMember" name="HexasSafeMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lode_HydrotreatingEquipmentLeaseMember" name="HydrotreatingEquipmentLeaseMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lode_IndustrialAndCommercialLeaseMember" name="IndustrialAndCommercialLeaseMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="lode_IntangibleAssetAndGoodwillAcquiredDuringPeriod" name="IntangibleAssetAndGoodwillAcquiredDuringPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element id="lode_InvestmentAdvancesConvertedToEquityInvestment" name="InvestmentAdvancesConvertedToEquityInvestment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element id="lode_InvestmentMaximumExposureToLoss" name="InvestmentMaximumExposureToLoss" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
  <xsd:element id="lode_InvestmentOwnedAmountAcquired" name="InvestmentOwnedAmountAcquired" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
  <xsd:element id="lode_InvestmentOwnedAmountPurchasedByThirdPartiesForCashPaymentAmountCompleted" name="InvestmentOwnedAmountPurchasedByThirdPartiesForCashPaymentAmountCompleted" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
  <xsd:element id="lode_InvestmentOwnedPercentageOfTotalSharesOutstanding" name="InvestmentOwnedPercentageOfTotalSharesOutstanding" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:percentItemType" xbrli:periodType="instant"/>
  <xsd:element id="lode_IssuanceOfCommonSharesForContractualCommitmentWithSubsidiary" name="IssuanceOfCommonSharesForContractualCommitmentWithSubsidiary" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element id="lode_IssuanceOfCommonSharesForLeaseAmendment" name="IssuanceOfCommonSharesForLeaseAmendment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lode_KipsBay2025ConversionOptionDerivativeMember" name="KipsBay2025ConversionOptionDerivativeMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lode_KipsBaySelectLPMember" name="KipsBaySelectLPMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="lode_LeaseLiabilityToBePaidMaturityTableTextBlock" name="LeaseLiabilityToBePaidMaturityTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType" xbrli:periodType="duration"/>
  <xsd:element id="lode_LesseeFinanceLeaseMonthlyRentExpense" name="LesseeFinanceLeaseMonthlyRentExpense" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
  <xsd:element id="lode_LesseeOperatingLeaseLiabilityToBePaidAfterYearFour" name="LesseeOperatingLeaseLiabilityToBePaidAfterYearFour" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
  <xsd:element id="lode_LesseeOperatingLeaseMonthlyRentExpense" name="LesseeOperatingLeaseMonthlyRentExpense" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
  <xsd:element id="lode_LiabilitiesHeldforsaleNotPartOfDisposalGroup" name="LiabilitiesHeldforsaleNotPartOfDisposalGroup" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
  <xsd:element id="lode_LiabilitiesHeldforsaleNotPartOfDisposalGroupCurrent" name="LiabilitiesHeldforsaleNotPartOfDisposalGroupCurrent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
  <xsd:element id="lode_LiabilitiesHeldforsaleNotPartOfDisposalGroupOther" name="LiabilitiesHeldforsaleNotPartOfDisposalGroupOther" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
  <xsd:element id="lode_LiabilitiesHeldforsaleTableTextBlock" name="LiabilitiesHeldforsaleTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType" xbrli:periodType="duration"/>
  <xsd:element id="lode_LicenseAgreementFeeAmount" name="LicenseAgreementFeeAmount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
  <xsd:element abstract="true" id="lode_LicensedTechnologyRAndDProjectsMember" name="LicensedTechnologyRAndDProjectsMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lode_LinicoAcquisitionDerivativeInstrumentMember" name="LinicoAcquisitionDerivativeInstrumentMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="lode_LiquidityAndCapitalResourcesPolicyTextBlock" name="LiquidityAndCapitalResourcesPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lode_MarathonSafeNoteLiabilityMember" name="MarathonSafeNoteLiabilityMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
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  <xsd:element id="lode_MinimumInvestmentPerQuarter" name="MinimumInvestmentPerQuarter" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
  <xsd:element abstract="true" id="lode_MiningAndRealEstateMember" name="MiningAndRealEstateMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
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  <xsd:element abstract="true" id="lode_OklahomaGrantMember" name="OklahomaGrantMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="lode_OperatingLeaseLeaseLiabilityIncreaseDecrease" name="OperatingLeaseLeaseLiabilityIncreaseDecrease" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element id="lode_OperatingLeaseRightofuseAssetIncreaseDecrease" name="OperatingLeaseRightofuseAssetIncreaseDecrease" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
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  <xsd:element id="lode_OutstandingAndFuturePatentCostsToBePaidIndividually" name="OutstandingAndFuturePatentCostsToBePaidIndividually" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
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  <xsd:element id="lode_PaymentsForAssetPurchaseAgreementCashConsideration" name="PaymentsForAssetPurchaseAgreementCashConsideration" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
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  <xsd:element id="lode_ProceedsFromConversionOfDebtInstrumentInExcessOfAmountsOwed" name="ProceedsFromConversionOfDebtInstrumentInExcessOfAmountsOwed" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
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  <xsd:element abstract="true" id="lode_ResearchAndDevelopmentCompanyMember" name="ResearchAndDevelopmentCompanyMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
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  <xsd:element abstract="true" id="lode_SolarPanelRecyclingMember" name="SolarPanelRecyclingMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
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  <xsd:element id="lode_StockIssuedPercentageOfPrincipalOfDebt" name="StockIssuedPercentageOfPrincipalOfDebt" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:percentItemType" xbrli:periodType="instant"/>
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  <xsd:element abstract="true" id="lode_TheChairOfEachCommitteeMember" name="TheChairOfEachCommitteeMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lode_TitanAtTheMarketOfferingAgreement2025Member" name="TitanAtTheMarketOfferingAgreement2025Member" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
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  <xsd:element abstract="true" id="lode_statement-statement-note-2-acquisition-of-hexas-biomass-inc-tables" name="statement-statement-note-2-acquisition-of-hexas-biomass-inc-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lode_statement-statement-note-3-investments-summary-of-financial-information-for-equity-method-investments-details" name="statement-statement-note-3-investments-summary-of-financial-information-for-equity-method-investments-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lode_statement-statement-note-3-investments-summary-of-investments-details" name="statement-statement-note-3-investments-summary-of-investments-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lode_statement-statement-note-3-investments-tables" name="statement-statement-note-3-investments-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lode_statement-statement-note-4-notes-receivable-and-advances-tables" name="statement-statement-note-4-notes-receivable-and-advances-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lode_statement-statement-note-4-notes-receivable-and-advances-total-notes-receivable-details" name="statement-statement-note-4-notes-receivable-and-advances-total-notes-receivable-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lode_statement-statement-note-5-properties-plant-and-equipment-net-and-mineral-rights-assets-held-for-sale-details" name="statement-statement-note-5-properties-plant-and-equipment-net-and-mineral-rights-assets-held-for-sale-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lode_statement-statement-note-5-properties-plant-and-equipment-net-and-mineral-rights-liabilities-held-for-sale-details" name="statement-statement-note-5-properties-plant-and-equipment-net-and-mineral-rights-liabilities-held-for-sale-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lode_statement-statement-note-5-properties-plant-and-equipment-net-and-mineral-rights-mineral-rights-and-properties-details" name="statement-statement-note-5-properties-plant-and-equipment-net-and-mineral-rights-mineral-rights-and-properties-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lode_statement-statement-note-5-properties-plant-and-equipment-net-and-mineral-rights-property-plant-and-equipment-details" name="statement-statement-note-5-properties-plant-and-equipment-net-and-mineral-rights-property-plant-and-equipment-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lode_statement-statement-note-5-properties-plant-and-equipment-net-and-mineral-rights-tables" name="statement-statement-note-5-properties-plant-and-equipment-net-and-mineral-rights-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lode_statement-statement-note-6-intangible-assets-and-goodwill-accumulated-amortization-details" name="statement-statement-note-6-intangible-assets-and-goodwill-accumulated-amortization-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lode_statement-statement-note-6-intangible-assets-and-goodwill-changes-in-intangible-assets-and-goodwill-details" name="statement-statement-note-6-intangible-assets-and-goodwill-changes-in-intangible-assets-and-goodwill-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lode_statement-statement-note-6-intangible-assets-and-goodwill-future-amortization-expense-details" name="statement-statement-note-6-intangible-assets-and-goodwill-future-amortization-expense-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lode_statement-statement-note-6-intangible-assets-and-goodwill-intangible-assets-details" name="statement-statement-note-6-intangible-assets-and-goodwill-intangible-assets-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lode_statement-statement-note-6-intangible-assets-and-goodwill-tables" name="statement-statement-note-6-intangible-assets-and-goodwill-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lode_statement-statement-note-7-accrued-expenses-and-other-liabilities-current-accrued-expenses-and-other-liabilities-details" name="statement-statement-note-7-accrued-expenses-and-other-liabilities-current-accrued-expenses-and-other-liabilities-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lode_statement-statement-note-7-accrued-expenses-and-other-liabilities-current-tables" name="statement-statement-note-7-accrued-expenses-and-other-liabilities-current-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lode_statement-statement-note-8-leases-lease-cost-details" name="statement-statement-note-8-leases-lease-cost-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lode_statement-statement-note-8-leases-minimum-lease-payments-to-be-paid-details" name="statement-statement-note-8-leases-minimum-lease-payments-to-be-paid-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lode_statement-statement-note-8-leases-tables" name="statement-statement-note-8-leases-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lode_statement-statement-note-9-commitments-and-contingencies-schedule-of-other-commitments-details" name="statement-statement-note-9-commitments-and-contingencies-schedule-of-other-commitments-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lode_statement-statement-note-9-commitments-and-contingencies-tables" name="statement-statement-note-9-commitments-and-contingencies-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lode_statement-statement-significant-accounting-policies-policies" name="statement-statement-significant-accounting-policies-policies" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
</xsd:schema>
