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  <xsd:element name="EmployeesAndDirectorsMember" id="mux_EmployeesAndDirectorsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ChairmanAndChiefExecutiveOfficerMember" id="mux_ChairmanAndChiefExecutiveOfficerMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EntityAffiliatedWithRelatedPartyMember" id="mux_EntityAffiliatedWithRelatedPartyMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DocumentAndEntityInformationAbstract" id="mux_DocumentAndEntityInformationAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ElGalloComplexMember" id="mux_ElGalloComplexMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EquityMethodInvestmentRollForward" id="mux_EquityMethodInvestmentRollForward" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EquityMethodInvestmentSummarizedFinancialInformationIncomeStatementTableTextBlock" id="mux_EquityMethodInvestmentSummarizedFinancialInformationIncomeStatementTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EquityMethodInvestmentSummarizedFinancialInformationRevenuePercentage" id="mux_EquityMethodInvestmentSummarizedFinancialInformationRevenuePercentage" type="num:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ExchangeableCommonStockSharesIssued" id="mux_ExchangeableCommonStockSharesIssued" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="ExchangeableCommonStockSharesOutstanding" id="mux_ExchangeableCommonStockSharesOutstanding" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="ExchangeableCommonStockSharesOutstandingDEI" id="mux_ExchangeableCommonStockSharesOutstandingDEI" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="LosAzulesCopperProjectMember" id="mux_LosAzulesCopperProjectMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="TelkenTenementsMember" id="mux_TelkenTenementsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EsteTenementsMember" id="mux_EsteTenementsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PiramidesTenementsMember" id="mux_PiramidesTenementsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="TobiasTenementsMember" id="mux_TobiasTenementsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DeferredIncomeTaxOnImpairmentOfMineralProperties" id="mux_DeferredIncomeTaxOnImpairmentOfMineralProperties" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="MineraSantaCruzSAMember" id="mux_MineraSantaCruzSAMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="MineralPropertyNameAxis" id="mux_MineralPropertyNameAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="MineralPropertyNameDomain" id="mux_MineralPropertyNameDomain" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfPropertiesSubjectToReclamationObligations" id="mux_NumberOfPropertiesSubjectToReclamationObligations" type="xbrli:integerItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="OtherUnitedStatesPropertiesMember" id="mux_OtherUnitedStatesPropertiesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="TonkinComplexAndElGalloOneMineComplexMember" id="mux_TonkinComplexAndElGalloOneMineComplexMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="TonkinComplexMember" id="mux_TonkinComplexMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="InventoryOreOnLeachPadsNetOfReserves" id="mux_InventoryOreOnLeachPadsNetOfReserves" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="InventoryOreStockpilesNetOfReserves" id="mux_InventoryOreStockpilesNetOfReserves" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="InventoryPreciousMetalsNetOfReserves" id="mux_InventoryPreciousMetalsNetOfReserves" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <element id="mux_IncomeLossFromEquityMethodInvestmentsBeforeAmortization" name="IncomeLossFromEquityMethodInvestmentsBeforeAmortization" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <xsd:element name="GainOnLitigationSettlement" id="mux_GainOnLitigationSettlement" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="ArgentinaReportableSegmentMember" id="mux_ArgentinaReportableSegmentMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="UnitedStatesReportableSegmentMember" id="mux_UnitedStatesReportableSegmentMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="MexicoReportableSegmentMember" id="mux_MexicoReportableSegmentMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EquityMethodInvestmentOverstatementOfNetIncomeAfterTax" id="mux_EquityMethodInvestmentOverstatementOfNetIncomeAfterTax" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="IncomeLossFromEquityMethodInvestmentsOverstatement" id="mux_IncomeLossFromEquityMethodInvestmentsOverstatement" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="NonCashWorkingCapitalItemsDividendReceivable" id="mux_NonCashWorkingCapitalItemsDividendReceivable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="ExplorationPropertiesLocatedInSantaCruzProvinceArgentinaMember" id="mux_ExplorationPropertiesLocatedInSantaCruzProvinceArgentinaMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="VendInAgreementMember" id="mux_VendInAgreementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfImpairmentChargesOnMineralPropertiesTableTextBlock" id="mux_ScheduleOfImpairmentChargesOnMineralPropertiesTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AssetRetirementObligationsAmortization" id="mux_AssetRetirementObligationsAmortization" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <element id="mux_MineralPropertyInterestsTransferNetOfTax" name="MineralPropertyInterestsTransferNetOfTax" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <xsd:element name="MineralPropertyMember" id="mux_MineralPropertyMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OptionsOneMember" id="mux_OptionsOneMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OptionsTwoMember" id="mux_OptionsTwoMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element id="mux_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareWeightedAverageExercisePrice" name="AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareWeightedAverageExercisePrice" nillable="true" type="num:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <xsd:element name="IncomeTaxExpenseBenefitResultingFromFluctuationsInForeignExchangeRate" id="mux_IncomeTaxExpenseBenefitResultingFromFluctuationsInForeignExchangeRate" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <element id="mux_MineralPropertyInterestsAndAssetRetirementObligationsDisclosureAbstract" name="MineralPropertyInterestsAndAssetRetirementObligationsDisclosureAbstract" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="mux_MineralPropertyInterestTable" name="MineralPropertyInterestTable" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="mux_MineralPropertyInterestsLineItems" name="MineralPropertyInterestsLineItems" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="mux_MineralPropertyInterestsAndAssetRetirementObligationsDisclosureTextBlock" name="MineralPropertyInterestsAndAssetRetirementObligationsDisclosureTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="mux_ProceedsFromSaleOfGoldAndSilverBullionOperatingActivities" name="ProceedsFromSaleOfGoldAndSilverBullionOperatingActivities" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="mux_LimoTenementsMember" name="LimoTenementsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="mux_SuretyBondsAnnualFeesPercentage" name="SuretyBondsAnnualFeesPercentage" nillable="true" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="mux_SuretyBondsUpfrontDepositPercentage" name="SuretyBondsUpfrontDepositPercentage" nillable="true" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="mux_CurrentPeriodValuesExcludingFairValueIncrementsAndImpairmentChargeMember" name="CurrentPeriodValuesExcludingFairValueIncrementsAndImpairmentChargeMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
</xsd:schema>


