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  <xsd:element name="LeaseLiabilityCurrent" id="mux_LeaseLiabilityCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="LeaseLiabilityNonCurrent" id="mux_LeaseLiabilityNonCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="LeaseLiability" id="mux_LeaseLiability" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="StockIssuedDuringPeriodValueNewIssuesGross" id="mux_StockIssuedDuringPeriodValueNewIssuesGross" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="AdvancedProjectCost" id="mux_AdvancedProjectCost" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="ReceivablesAndOtherCurrentAssetsTextBlock" id="mux_ReceivablesAndOtherCurrentAssetsTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ReceivablesAndOtherCurrentAssetsTableTextBlock" id="mux_ReceivablesAndOtherCurrentAssetsTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SummaryOfKeyAssetsAndLiabilitiesBeforeAndAfterAdjustmentsToFairValueTableTextBlock" id="mux_SummaryOfKeyAssetsAndLiabilitiesBeforeAndAfterAdjustmentsToFairValueTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ReceivablesPrepaidsAndOtherAssetsAbstract" id="mux_ReceivablesPrepaidsAndOtherAssetsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DebtInstrumentExtensionTerm" id="mux_DebtInstrumentExtensionTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SuretyBondsRequiredDepositPercentage" id="mux_SuretyBondsRequiredDepositPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SaleOfTaxBenefits" id="mux_SaleOfTaxBenefits" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="OwnershipPercentage" id="mux_OwnershipPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="MineralPropertyInterestsAndPlantAndEquipmentNet" id="mux_MineralPropertyInterestsAndPlantAndEquipmentNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="CommonStockAndAdditionalPaidInCapitalMember" id="mux_CommonStockAndAdditionalPaidInCapitalMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="McewenCopperMember" id="mux_McewenCopperMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="OtherIncomeNet" id="mux_OtherIncomeNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="MineralPropertyInterestsAndPlantAndEquipmentTextBlock" id="mux_MineralPropertyInterestsAndPlantAndEquipmentTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="LongLivedAssetsAndRevenueByGeographicAreasTableTextBlock" id="mux_LongLivedAssetsAndRevenueByGeographicAreasTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ScheduleOfMarketableEquitySecuritiesAndWarrantsTableTextBlock" id="mux_ScheduleOfMarketableEquitySecuritiesAndWarrantsTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="PrepaymentAgreementMember" id="mux_PrepaymentAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="NumberOuncesOfGoldPledgedButNotDeliver" id="mux_NumberOuncesOfGoldPledgedButNotDeliver" type="dtr-types:massItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortizationTotal1" id="mux_CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortizationTotal1" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="GrossProfitTotal1" id="mux_GrossProfitTotal1" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="AurametInternationalLLCMember" id="mux_AurametInternationalLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="McewenCopperSegmentMember" id="mux_McewenCopperSegmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="McewenMember" id="mux_McewenMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="TotalIncomeAndMiningTaxExpenseRecovery" id="mux_TotalIncomeAndMiningTaxExpenseRecovery" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="AdvancedProjectCostCopperAndOtherInAggregate" id="mux_AdvancedProjectCostCopperAndOtherInAggregate" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="Rule10b51arrmodifiedflag" id="mux_Rule10b51arrmodifiedflag" type="xbrli:booleanItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="Nonrule10b51arrmodifiedflag" id="mux_Nonrule10b51arrmodifiedflag" type="xbrli:booleanItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ThirdAmendedAndRestatedCreditAgreementMember" id="mux_ThirdAmendedAndRestatedCreditAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ReclamationAccretionAndAdjustmentsTotal" id="mux_ReclamationAccretionAndAdjustmentsTotal" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="DisposalsOrTransfersAvailableForSaleAndTradingSecurities" id="mux_DisposalsOrTransfersAvailableForSaleAndTradingSecurities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="McewenCopperIncMember" id="mux_McewenCopperIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ProceedsFromSaleOfPreciousMetalsFromSupplierAdvanceBasis" id="mux_ProceedsFromSaleOfPreciousMetalsFromSupplierAdvanceBasis" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="ReceivablesPrepaidsOtherAssetsNetCurrent" id="mux_ReceivablesPrepaidsOtherAssetsNetCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="IncomeLossFromEquityInvestments" id="mux_IncomeLossFromEquityInvestments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="RevenueFromSaleOfPreciousMetalsFromSupplierAdvanceBasis" id="mux_RevenueFromSaleOfPreciousMetalsFromSupplierAdvanceBasis" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="WarrantsIssuedDuringPeriodSharesAcquisitions" id="mux_WarrantsIssuedDuringPeriodSharesAcquisitions" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="GoldBarMineAndTonkinAndLookoutMountainInAggregateMember" id="mux_GoldBarMineAndTonkinAndLookoutMountainInAggregateMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="DilutionGainEquityMethodInvestments" id="mux_DilutionGainEquityMethodInvestments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="AssetAcquisitionPercentageOfVotingInterestsAcquired" id="mux_AssetAcquisitionPercentageOfVotingInterestsAcquired" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="McewenCopperAndMscReportableSegmentsInAggregateMember" id="mux_McewenCopperAndMscReportableSegmentsInAggregateMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="GoliathResourcesLimitedMember" id="mux_GoliathResourcesLimitedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="FourthAmendedAndRestatedCreditAgreementMember" id="mux_FourthAmendedAndRestatedCreditAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="DebtInstrumentSharesIssuedToLenderPercentageOnPrincipalAmount" id="mux_DebtInstrumentSharesIssuedToLenderPercentageOnPrincipalAmount" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="ConvertibleSeniorNotes5.25PercentDue2030Member" id="mux_ConvertibleSeniorNotes5.25PercentDue2030Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="InventusMiningCorpMember" id="mux_InventusMiningCorpMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="DebtInstrumentMaximumBorrowingCapacityAmount" id="mux_DebtInstrumentMaximumBorrowingCapacityAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="NumberOfUnitsAcquired" id="mux_NumberOfUnitsAcquired" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="NumberOfCommonSharesForEachUnitPurchased" id="mux_NumberOfCommonSharesForEachUnitPurchased" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ClassOfWarrantOrRightNumberOfWarrantForEachUnitPurchased" id="mux_ClassOfWarrantOrRightNumberOfWarrantForEachUnitPurchased" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="AssetAcquisitionConsiderationTransferredInvestmentsFairValue" id="mux_AssetAcquisitionConsiderationTransferredInvestmentsFairValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="AdjustmentToAdditionalPaidInCapitalPurchaseOfCappedCallOptions" id="mux_AdjustmentToAdditionalPaidInCapitalPurchaseOfCappedCallOptions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="PaymentsToAcquireCappedCallOptions" id="mux_PaymentsToAcquireCappedCallOptions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="SharesAcquiredInGoliathResourcesLimitedMember" id="mux_SharesAcquiredInGoliathResourcesLimitedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SharesAcquiredInCanadianGoldCorpMember" id="mux_SharesAcquiredInCanadianGoldCorpMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="NumberOfSharesAcquired" id="mux_NumberOfSharesAcquired" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="DebtInstrumentPrincipalAmountDenominationForConversionIntoCommonStock" id="mux_DebtInstrumentPrincipalAmountDenominationForConversionIntoCommonStock" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="DuringAnyCalendarQuarterStartingAfterMarch312025Member" id="mux_DuringAnyCalendarQuarterStartingAfterMarch312025Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="DuringFiveBusinessDaysFollowingAnyTenConsecutiveTradingDaysMember" id="mux_DuringFiveBusinessDaysFollowingAnyTenConsecutiveTradingDaysMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="DebtInstrumentConvertibleNumberOfBusinessDays" id="mux_DebtInstrumentConvertibleNumberOfBusinessDays" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="DebtInstrumentRepurchasePricePercentageOfPrincipalAmountRepurchased" id="mux_DebtInstrumentRepurchasePricePercentageOfPrincipalAmountRepurchased" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="NumberOfPrivatePlacements" id="mux_NumberOfPrivatePlacements" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="StockIssuedDuringPeriodSharesWarrantsExercised" id="mux_StockIssuedDuringPeriodSharesWarrantsExercised" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ClassOfWarrantOrRightHeld" id="mux_ClassOfWarrantOrRightHeld" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="SharesAcquiredInInventusMiningCorpMember" id="mux_SharesAcquiredInInventusMiningCorpMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="NumberOfReportableSegmentsNotDisclosedFlag" id="mux_NumberOfReportableSegmentsNotDisclosedFlag" type="xbrli:booleanItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="NumberOfAuthorizedSharesNotDisclosed" id="mux_NumberOfAuthorizedSharesNotDisclosed" type="xbrli:booleanItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="SharesAcquiredInInventusMiningCorpExpiringNovember62026Member" id="mux_SharesAcquiredInInventusMiningCorpExpiringNovember62026Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="OwnershipPercentageByRelatedParty" id="mux_OwnershipPercentageByRelatedParty" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ParagonMember" id="mux_ParagonMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="TartanLakeGoldMineProjectMember" id="mux_TartanLakeGoldMineProjectMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CanadianGoldMember" id="mux_CanadianGoldMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="EquityMethodInvestmentsShareExchangeNumberOfSharesAcquired" id="mux_EquityMethodInvestmentsShareExchangeNumberOfSharesAcquired" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="ShareholderMember" id="mux_ShareholderMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="FlowThroughPremiumDiscountAmortization" id="mux_FlowThroughPremiumDiscountAmortization" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="AssetAcquisitionConsiderationTransferredEquityInterestIssuedAndIssuablePerShare" id="mux_AssetAcquisitionConsiderationTransferredEquityInterestIssuedAndIssuablePerShare" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="DilutionGainLossFromEquityMethodInvestments" id="mux_DilutionGainLossFromEquityMethodInvestments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="TockIssuedDuringPeriodValuePurchaseOfInvestments" id="mux_TockIssuedDuringPeriodValuePurchaseOfInvestments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="StockIssuedDuringPeriodSharesPurchaseOfInvestments" id="mux_StockIssuedDuringPeriodSharesPurchaseOfInvestments" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ReceiptOfWarrantsInConnectionWithLoanToRelatedParty" id="mux_ReceiptOfWarrantsInConnectionWithLoanToRelatedParty" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="GoldBarMineComplexInNevadaUnitedStatesMember" id="mux_GoldBarMineComplexInNevadaUnitedStatesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="FoxComplexInOntarioCanadaMember" id="mux_FoxComplexInOntarioCanadaMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="TartanLakeGoldMineProjectManitobaCanadaMember" id="mux_TartanLakeGoldMineProjectManitobaCanadaMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ElGalloProjectInSinaloaMexicoMember" id="mux_ElGalloProjectInSinaloaMexicoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="LossOnExpiryOfWarrants" id="mux_LossOnExpiryOfWarrants" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="CanadianGoldCorp.Member" id="mux_CanadianGoldCorp.Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="JewelRidgeAndJewelRidgeWestProjectsMember" id="mux_JewelRidgeAndJewelRidgeWestProjectsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="GoldenLakeExplorationInc.Member" id="mux_GoldenLakeExplorationInc.Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="GeneralAndAdministrativeExpenseTextBlock" id="mux_GeneralAndAdministrativeExpenseTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="GeneralAndAdministrativeExpenseTableTextBlock" id="mux_GeneralAndAdministrativeExpenseTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="AcquisitionAndFinancingCosts" id="mux_AcquisitionAndFinancingCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="GeneralAndAdministrativeExpenseBeforeAdjustments" id="mux_GeneralAndAdministrativeExpenseBeforeAdjustments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="DebtIssuanceCostsIncludedInGeneralAndAdministrativeExpense" id="mux_DebtIssuanceCostsIncludedInGeneralAndAdministrativeExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="FlowThroughFinancingForExplorationExpensesMember" id="mux_FlowThroughFinancingForExplorationExpensesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="FlowThroughFinancingForDevelopmentExpensesMember" id="mux_FlowThroughFinancingForDevelopmentExpensesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="AssetAcquisitionPricePerShare" id="mux_AssetAcquisitionPricePerShare" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="FairValueAssetsLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock" id="mux_FairValueAssetsLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="RobertR.McewenMember" id="mux_RobertR.McewenMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="NotesReceivableBeforeLoanOriginationFees" id="mux_NotesReceivableBeforeLoanOriginationFees" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="LoanOriginationFee" id="mux_LoanOriginationFee" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="AssetAcquisitionConsiderationTransferredCommonSharesIssued" id="mux_AssetAcquisitionConsiderationTransferredCommonSharesIssued" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="AssetAcquisitionConsiderationTransferredSubscriptionRightsIssued" id="mux_AssetAcquisitionConsiderationTransferredSubscriptionRightsIssued" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="AssetAcquisitionConsiderationTransferredValueOfSubscriptionRightsToBeSettledInCashIfShareholderApprovalNotObtained" id="mux_AssetAcquisitionConsiderationTransferredValueOfSubscriptionRightsToBeSettledInCashIfShareholderApprovalNotObtained" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="ConsiderationTransferredFairValue" id="mux_ConsiderationTransferredFairValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="FairValueAdjustmentOfConsideration" id="mux_FairValueAdjustmentOfConsideration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="OreInventoryPurchasedFromRelatedParty" id="mux_OreInventoryPurchasedFromRelatedParty" type="dtr-types:massItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="PaymentsToAcquireOreInventory" id="mux_PaymentsToAcquireOreInventory" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="LoansReceivablePrincipalAmount" id="mux_LoansReceivablePrincipalAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="LoansReceivablePrincipalAmountPreviouslyAdvancedFunds" id="mux_LoansReceivablePrincipalAmountPreviouslyAdvancedFunds" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="LoansReceivablePrincipalAmountNewAdvances" id="mux_LoansReceivablePrincipalAmountNewAdvances" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="LoanReceivableInterestRate" id="mux_LoanReceivableInterestRate" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="NumberOfWarrantsIssued" id="mux_NumberOfWarrantsIssued" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="LoanReceivableEffectiveInterestRate" id="mux_LoanReceivableEffectiveInterestRate" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="LoanReceivableContractualInterest" id="mux_LoanReceivableContractualInterest" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="AndesCorporationMineraS.aMember" id="mux_AndesCorporationMineraS.aMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="AssetAcquisitionConsiderationTransferredSubscriptionReceipts" id="mux_AssetAcquisitionConsiderationTransferredSubscriptionReceipts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="AssetAcquisitionConsiderationTransferredEquityInterestIssuedAndIssuableAndSubscriptionRights" id="mux_AssetAcquisitionConsiderationTransferredEquityInterestIssuedAndIssuableAndSubscriptionRights" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="ProceedsFromDividendsReceived1" id="mux_ProceedsFromDividendsReceived1" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
</xsd:schema>
