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  <xsd:element name="ExplorationAndEvaluationAssetsAcquisitionCosts" id="aust_ExplorationAndEvaluationAssetsAcquisitionCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
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  <xsd:element name="ExplorationAndEvaluationAssetsTravel" id="aust_ExplorationAndEvaluationAssetsTravel" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="ExplorationAndEvaluationAssetsTotalExplorationCosts" id="aust_ExplorationAndEvaluationAssetsTotalExplorationCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="PreProductionPaymentsMadeInCash" id="aust_PreProductionPaymentsMadeInCash" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
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  <xsd:element name="PercentageOfNetSmelterReturnRoyaltyForThirdPartyClaimsUponPaymentOfSpecifiedAmount" id="aust_PercentageOfNetSmelterReturnRoyaltyForThirdPartyClaimsUponPaymentOfSpecifiedAmount" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ThresholdMinimumGoldToBeDiscoveredToTriggerOptionToPurchaseEntireInterestInProject" id="aust_ThresholdMinimumGoldToBeDiscoveredToTriggerOptionToPurchaseEntireInterestInProject" type="dtr-types:massItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
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  <xsd:element name="MaximumPreProductionPaymentsToBeMadeInCashYearFiveAndEveryYearThereafter" id="aust_MaximumPreProductionPaymentsToBeMadeInCashYearFiveAndEveryYearThereafter" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="IncrementalPreProductionPaymentsToBeMadeInCashEveryYearThereafter" id="aust_IncrementalPreProductionPaymentsToBeMadeInCashEveryYearThereafter" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="ThresholdAmountOfExpenditureConsideredForTerminationOfWorkCommitment" id="aust_ThresholdAmountOfExpenditureConsideredForTerminationOfWorkCommitment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
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  <xsd:element name="DisclosureOfExplorationAndEvaluationAssetsTableTextBlock" id="aust_DisclosureOfExplorationAndEvaluationAssetsTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
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  <xsd:element name="PercentageOfReasonablyPossibleIncreaseInRiskAssumption" id="aust_PercentageOfReasonablyPossibleIncreaseInRiskAssumption" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
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  <xsd:element name="IncreaseDecreaseInPreTaxLossDueToReasonablyPossibleIncreaseInDesignatedRiskComponent" id="aust_IncreaseDecreaseInPreTaxLossDueToReasonablyPossibleIncreaseInDesignatedRiskComponent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="IncreaseDecreaseInPreTaxLossDueToReasonablyPossibleDecreaseInDesignatedRiskComponent" id="aust_IncreaseDecreaseInPreTaxLossDueToReasonablyPossibleDecreaseInDesignatedRiskComponent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
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  <xsd:element name="TwelveMonthsAfterAcquisitionMember" id="aust_TwelveMonthsAfterAcquisitionMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EighteenMonthsAfterAcquisitionMember" id="aust_EighteenMonthsAfterAcquisitionMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ThirtyMonthsAfterAcquisitionMember" id="aust_ThirtyMonthsAfterAcquisitionMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ThirtySixMonthsAfterAcquisitionMember" id="aust_ThirtySixMonthsAfterAcquisitionMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FortyTwoMonthsAfterAcquisitionMember" id="aust_FortyTwoMonthsAfterAcquisitionMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FortyEightMonthsAfterAcquisitionAndEverySixMonthsThereafterMember" id="aust_FortyEightMonthsAfterAcquisitionAndEverySixMonthsThereafterMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="TwentyFourMonthsAfterAcquisitionMember" id="aust_TwentyFourMonthsAfterAcquisitionMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfMinimumExpendituresToBeIncurredExplanatoryTableTextBlock" id="aust_ScheduleOfMinimumExpendituresToBeIncurredExplanatoryTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfPreProductionPaymentsTableTextBlock" id="aust_ScheduleOfPreProductionPaymentsTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RequiredMinimumAnnualExplorationAndEvaluationExpendituresPeriodOne" id="aust_RequiredMinimumAnnualExplorationAndEvaluationExpendituresPeriodOne" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="RequiredMinimumAnnualExplorationAndEvaluationExpendituresPeriodTwo" id="aust_RequiredMinimumAnnualExplorationAndEvaluationExpendituresPeriodTwo" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="RequiredMinimumAnnualExplorationAndEvaluationExpendituresPeriodThree" id="aust_RequiredMinimumAnnualExplorationAndEvaluationExpendituresPeriodThree" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="RequiredMinimumAnnualExplorationAndEvaluationExpendituresPeriodFour" id="aust_RequiredMinimumAnnualExplorationAndEvaluationExpendituresPeriodFour" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="RequiredMinimumAnnualExplorationAndEvaluationExpendituresPeriodFive" id="aust_RequiredMinimumAnnualExplorationAndEvaluationExpendituresPeriodFive" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="RequiredMinimumAnnualExplorationAndEvaluationExpendituresPeriodSix" id="aust_RequiredMinimumAnnualExplorationAndEvaluationExpendituresPeriodSix" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="PreProductionPaymentsMadeInCashPeriodFiveAndEveryPeriodThereafter" id="aust_PreProductionPaymentsMadeInCashPeriodFiveAndEveryPeriodThereafter" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="ScheduleOfMinimumRoyaltyPaymentsTableTextBlock" id="aust_ScheduleOfMinimumRoyaltyPaymentsTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ExplorationAndEvaluationAssetsFieldWork" id="aust_ExplorationAndEvaluationAssetsFieldWork" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="UnrealizedFairValueLossOnMarketableSecurities" id="aust_UnrealizedFairValueLossOnMarketableSecurities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="AdjustmentsForUnrealizedFairValueGainLossOnMarketableSecurities" id="aust_AdjustmentsForUnrealizedFairValueGainLossOnMarketableSecurities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="InvestorRelationsAndMarketingExpense" id="aust_InvestorRelationsAndMarketingExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="ExpensesRelatedToShareholderInformation" id="aust_ExpensesRelatedToShareholderInformation" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="ExplorationAndEvaluationAssetsWriteOffs" id="aust_ExplorationAndEvaluationAssetsWriteOffs" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="ExplorationAndEvaluationAssetsGovernmentPayments" id="aust_ExplorationAndEvaluationAssetsGovernmentPayments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="ManagementSalariesAndConsultingFees" id="aust_ManagementSalariesAndConsultingFees" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="ExplorationAndEvaluationAssetsFieldSuppliesAndRentals" id="aust_ExplorationAndEvaluationAssetsFieldSuppliesAndRentals" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="BureauOfLandManagementMember" id="aust_BureauOfLandManagementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="OregonDepartmentOfGeologyAndMineralIndustriesMember" id="aust_OregonDepartmentOfGeologyAndMineralIndustriesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ExplorationsAndEvaluationsAssetsWriteOffs" id="aust_ExplorationsAndEvaluationsAssetsWriteOffs" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="PreProductionPaymentsMadeInCashYearOne" id="aust_PreProductionPaymentsMadeInCashYearOne" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="PreProductionPaymentsMadeInCashYearTwo" id="aust_PreProductionPaymentsMadeInCashYearTwo" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="PreProductionPaymentsMadeInCashYearThree" id="aust_PreProductionPaymentsMadeInCashYearThree" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="CarryingAmountOfContractualUndiscountedCashFlowMember" id="aust_CarryingAmountOfContractualUndiscountedCashFlowMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ExplorationAndEvaluationAssetsTechnicalAndAssessmentReports" id="aust_ExplorationAndEvaluationAssetsTechnicalAndAssessmentReports" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="PreProductionPaymentsMadeInCashYearFive" id="aust_PreProductionPaymentsMadeInCashYearFive" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="PreProductionPaymentsMadeInCashPeriodNine" id="aust_PreProductionPaymentsMadeInCashPeriodNine" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="PreProductionPaymentsMadeInCashPeriodTenAndEveryPeriodThereafter" id="aust_PreProductionPaymentsMadeInCashPeriodTenAndEveryPeriodThereafter" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="ReimbursementOfExpensesThatAreMadeOnBehalfOfEntityByRelatedPartyRelatedPartyTransactions" id="aust_ReimbursementOfExpensesThatAreMadeOnBehalfOfEntityByRelatedPartyRelatedPartyTransactions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
</xsd:schema>
