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    <context id="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_1_BX-B4Jjm4kOkc5GpEk6Tdg">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000314203</identifier>
            <segment>
                <xbrldi:typedMember dimension="rxp:PmtAxis">
                    <rxp:pmt>1</rxp:pmt>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="Duration_1_1_2025_To_12_31_2025_s8JRT9qUUECezqh4jhjzWg">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000314203</identifier>
        </entity>
        <period>
            <startDate>2025-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <unit id="Unit_Standard_USD_ApTuzZVDnUmY6pHpor7rjg">
        <measure>iso4217:USD</measure>
    </unit>
    <rxp:A
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_1_BX-B4Jjm4kOkc5GpEk6Tdg"
      decimals="0"
      id="Tc_V6CsBFRx_k2lWtUdVwURTQ_2_1"
      unitRef="Unit_Standard_USD_ApTuzZVDnUmY6pHpor7rjg">1840000</rxp:A>
    <rxp:P
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_1_BX-B4Jjm4kOkc5GpEk6Tdg"
      id="Tc_X2AW5yz1zkO7GkxE6g7ohA_2_2">rxp:Taxes</rxp:P>
    <rxp:Co
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_1_BX-B4Jjm4kOkc5GpEk6Tdg"
      id="Tc_Ox8U93x0rkiFDN01UDypbg_2_3">country:CA</rxp:Co>
    <rxp:Gv
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_1_BX-B4Jjm4kOkc5GpEk6Tdg"
      id="Tc_YrQSGU6NxkG7TzNSgsHGLg_2_5">mux:GovernmentCanadaRevenueAgencyMember</rxp:Gv>
    <rxp:A
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_2_xA_JWMuGuEqk2TyfueqleQ"
      decimals="0"
      id="Tc_GpYgBAAsR0GwQlnUrMlV5g_3_1"
      unitRef="Unit_Standard_USD_ApTuzZVDnUmY6pHpor7rjg">240000</rxp:A>
    <rxp:P
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_2_xA_JWMuGuEqk2TyfueqleQ"
      id="Tc_n_uLDXw46kyt_yMEApT7ZQ_3_2">rxp:Taxes</rxp:P>
    <rxp:Co
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_2_xA_JWMuGuEqk2TyfueqleQ"
      id="Tc_DEeccD3skEi4I3ACQmdvmQ_3_3">country:CA</rxp:Co>
    <rxp:Sn
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_2_xA_JWMuGuEqk2TyfueqleQ"
      id="Tc_WdWWtOOY00aFb-JzkqZSdA_3_4">snj:CA-ON</rxp:Sn>
    <rxp:Gv
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_2_xA_JWMuGuEqk2TyfueqleQ"
      id="Tc_46M8BkE-iESKCG5QBRqa0Q_3_5">mux:MunicipalityOfBlackRiverBlackRiverMathesonMember</rxp:Gv>
    <rxp:Pr
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_2_xA_JWMuGuEqk2TyfueqleQ"
      id="Tc_SZ2ZMGCsQE6CqgHcgbkDVQ_3_6">mux:FoxComplexProjectMember</rxp:Pr>
    <rxp:A
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_3_XAlRykmKaUyfegzK1n8dbw"
      decimals="0"
      id="Tc_99JupLd3Tk-FNSX0KN7BSQ_4_1"
      unitRef="Unit_Standard_USD_ApTuzZVDnUmY6pHpor7rjg">180000</rxp:A>
    <rxp:P
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_3_XAlRykmKaUyfegzK1n8dbw"
      id="Tc_Kw0dp_SyYEmloQRqHNyGgA_4_2">rxp:Fees</rxp:P>
    <rxp:Co
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_3_XAlRykmKaUyfegzK1n8dbw"
      id="Tc_IvQD5nTQHU-DfKLZOXUT6A_4_3">country:CA</rxp:Co>
    <rxp:Sn
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_3_XAlRykmKaUyfegzK1n8dbw"
      id="Tc_XQRh-r-iPEm7MWTYZdkEhg_4_4">snj:CA-ON</rxp:Sn>
    <rxp:Gv
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_3_XAlRykmKaUyfegzK1n8dbw"
      id="Tc_cDpSxF0NwE-TnNYFoUWEEQ_4_5">mux:ApitipiAnicinapekNationMember</rxp:Gv>
    <rxp:Pr
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_3_XAlRykmKaUyfegzK1n8dbw"
      id="Tc_SJj8TBpuC0ie0JRg-ZruVg_4_6">mux:FoxComplexProjectMember</rxp:Pr>
    <rxp:A
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_4_65UfSZUPpESDODKRiQyz6A"
      decimals="0"
      id="Tc_pMY82EjS50CuIsolCsYtnA_5_1"
      unitRef="Unit_Standard_USD_ApTuzZVDnUmY6pHpor7rjg">530000</rxp:A>
    <rxp:P
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_4_65UfSZUPpESDODKRiQyz6A"
      id="Tc_HuVbY5fdOEad26pdmL8unQ_5_2">rxp:Taxes</rxp:P>
    <rxp:Co
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_4_65UfSZUPpESDODKRiQyz6A"
      id="Tc_CIAJ3o1SqUSeuTaSFJGKBA_5_3">country:US</rxp:Co>
    <rxp:Sn
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_4_65UfSZUPpESDODKRiQyz6A"
      id="Tc_uZRlHsUMsEaxBLv4senkNA_5_4">snj:US-NV</rxp:Sn>
    <rxp:Gv
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_4_65UfSZUPpESDODKRiQyz6A"
      id="Tc_oi4_VjEyoEqORxoK9XHEXw_5_5">mux:MunicipalityOfEurekaMember</rxp:Gv>
    <rxp:A
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_5_afbeQAFMIU2Gpz3GWTtKVQ"
      decimals="0"
      id="Tc_lB7spOLf9U-hjgOAtksvZg_6_1"
      unitRef="Unit_Standard_USD_ApTuzZVDnUmY6pHpor7rjg">820000</rxp:A>
    <rxp:P
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_5_afbeQAFMIU2Gpz3GWTtKVQ"
      id="Tc_9n6JWeaVqUe_HgNcoGSfRg_6_2">rxp:Taxes</rxp:P>
    <rxp:Co
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_5_afbeQAFMIU2Gpz3GWTtKVQ"
      id="Tc_rMrpUAMIGU6RZwK-v7Uakw_6_3">country:US</rxp:Co>
    <rxp:Sn
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_5_afbeQAFMIU2Gpz3GWTtKVQ"
      id="Tc_1krptTp0zEmdMfGnNI9GAg_6_4">snj:US-NV</rxp:Sn>
    <rxp:Gv
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_5_afbeQAFMIU2Gpz3GWTtKVQ"
      id="Tc_szqsOaDFPkmC15d9XOYHwA_6_5">mux:StateOfNevadaMember</rxp:Gv>
    <rxp:A
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_6_dzTRXMbvH0m0ZA0pRLpMcQ"
      decimals="0"
      id="Tc_oil-AeKHz0eC0Un0CYHX_Q_7_1"
      unitRef="Unit_Standard_USD_ApTuzZVDnUmY6pHpor7rjg">230000</rxp:A>
    <rxp:P
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_6_dzTRXMbvH0m0ZA0pRLpMcQ"
      id="Tc_qy8U-QG6EU2cUkdPjMkDbQ_7_2">rxp:Fees</rxp:P>
    <rxp:Co
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_6_dzTRXMbvH0m0ZA0pRLpMcQ"
      id="Tc_0jv4bph33kicyxvsn232eA_7_3">country:US</rxp:Co>
    <rxp:Pr
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_6_dzTRXMbvH0m0ZA0pRLpMcQ"
      id="Tc_ih4e6yW2Ukanr6M-OX59kg_7_6">mux:GoldBar306ProjectMember</rxp:Pr>
    <rxp:A
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_7_lFaU_-ZLiEu_1SSb1-6uog"
      decimals="0"
      id="Tc_-u4uwkmIc0-VYt2e7hRjOA_8_1"
      unitRef="Unit_Standard_USD_ApTuzZVDnUmY6pHpor7rjg">500000</rxp:A>
    <rxp:P
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_7_lFaU_-ZLiEu_1SSb1-6uog"
      id="Tc_Vsrv8vHmS0y8H3KRV2ntEw_8_2">rxp:Fees</rxp:P>
    <rxp:Co
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_7_lFaU_-ZLiEu_1SSb1-6uog"
      id="Tc_pBc-VcziyU2jg0mTT6smtA_8_3">country:US</rxp:Co>
    <rxp:Pr
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_7_lFaU_-ZLiEu_1SSb1-6uog"
      id="Tc_SZ6K-4bG5kGRVJ1vYbGJ7A_8_6">mux:GoldBar307ProjectMember</rxp:Pr>
    <rxp:A
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_8_ugHq94rEuUa04G8i7y3Vfw"
      decimals="0"
      id="Tc_BxKY5NsPZkizzopaQ6cfhQ_9_1"
      unitRef="Unit_Standard_USD_ApTuzZVDnUmY6pHpor7rjg">40000</rxp:A>
    <rxp:P
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_8_ugHq94rEuUa04G8i7y3Vfw"
      id="Tc_6lmXTw3Kb0mkAmjqUWbPEA_9_2">rxp:Fees</rxp:P>
    <rxp:Co
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_8_ugHq94rEuUa04G8i7y3Vfw"
      id="Tc_5Bw2MLW-s0ODh-_N3nupag_9_3">country:US</rxp:Co>
    <rxp:Pr
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_8_ugHq94rEuUa04G8i7y3Vfw"
      id="Tc_aPOL2LO2TU-HZ1H8oU7mYw_9_6">mux:GoldBarSouth317ProjectMember</rxp:Pr>
    <rxp:A
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_9_qQFFrXoi4EScIQoSCSqvFw"
      decimals="0"
      id="Tc_GVvs9uWw90isuAvqN0L3BQ_10_1"
      unitRef="Unit_Standard_USD_ApTuzZVDnUmY6pHpor7rjg">320000</rxp:A>
    <rxp:P
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_9_qQFFrXoi4EScIQoSCSqvFw"
      id="Tc_fkg025_SxUGj09voQEa54g_10_2">rxp:Fees</rxp:P>
    <rxp:Co
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_9_qQFFrXoi4EScIQoSCSqvFw"
      id="Tc_Yu9Pa1A3IEa1pdf3GuEO7A_10_3">country:US</rxp:Co>
    <rxp:Pr
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_9_qQFFrXoi4EScIQoSCSqvFw"
      id="Tc_WlOQq07f2EiHyAJvyezegg_10_6">mux:Tonkin101ProjectMember</rxp:Pr>
    <rxp:A
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_10_Jlxy3WKyNk-J3848eM94QQ"
      decimals="0"
      id="Tc_dvlpm4-Gxk6gO_Y3GWkJzw_11_1"
      unitRef="Unit_Standard_USD_ApTuzZVDnUmY6pHpor7rjg">10000</rxp:A>
    <rxp:P
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_10_Jlxy3WKyNk-J3848eM94QQ"
      id="Tc_FGzs271bLUer82HOVHBbAg_11_2">rxp:Fees</rxp:P>
    <rxp:Co
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_10_Jlxy3WKyNk-J3848eM94QQ"
      id="Tc_K9eGiPyU-ka-IAZyc1bL1Q_11_3">country:US</rxp:Co>
    <rxp:Pr
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_10_Jlxy3WKyNk-J3848eM94QQ"
      id="Tc_bzpcBAnUBEWNBOAAr4qQKQ_11_6">mux:Cornerstone207ProjectMember</rxp:Pr>
    <rxp:A
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_11_vNabN1nRYE-ydcM7Vteq0w"
      decimals="0"
      id="Tc_w3ewlMCkT0SatVGmQ6tn7g_12_1"
      unitRef="Unit_Standard_USD_ApTuzZVDnUmY6pHpor7rjg">10000</rxp:A>
    <rxp:P
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_11_vNabN1nRYE-ydcM7Vteq0w"
      id="Tc_a9a13SOYrkGaQSe58tr5iQ_12_2">rxp:Fees</rxp:P>
    <rxp:Co
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_11_vNabN1nRYE-ydcM7Vteq0w"
      id="Tc_o2i-9KJ6kEGafZPuBWM55Q_12_3">country:US</rxp:Co>
    <rxp:Pr
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_11_vNabN1nRYE-ydcM7Vteq0w"
      id="Tc_m4_dnEdmbEeD3ndSWenLOQ_12_6">mux:SlavenCanyon313ProjectMember</rxp:Pr>
    <rxp:A
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_12_9Si3-LiC20uYOV9u8GydrQ"
      decimals="0"
      id="Tc_X-3rq_ZUo0iPlQCLEFnAFg_13_1"
      unitRef="Unit_Standard_USD_ApTuzZVDnUmY6pHpor7rjg">30000</rxp:A>
    <rxp:P
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_12_9Si3-LiC20uYOV9u8GydrQ"
      id="Tc_WyBtDD_XnUG-rwqPDV6smQ_13_2">rxp:Fees</rxp:P>
    <rxp:Co
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_12_9Si3-LiC20uYOV9u8GydrQ"
      id="Tc_Y05enXFD90K9xkxVeD8ryQ_13_3">country:US</rxp:Co>
    <rxp:Pr
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_12_9Si3-LiC20uYOV9u8GydrQ"
      id="Tc_BdLEfF98A0OA9BfzidAlbg_13_6">mux:SouthMidas315ProjectMember</rxp:Pr>
    <rxp:A
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_13_LxbuneXbQUWTKODZEulqxA"
      decimals="0"
      id="Tc_JVaMLEpKZ0is-11XnhWv8w_14_1"
      unitRef="Unit_Standard_USD_ApTuzZVDnUmY6pHpor7rjg">20000</rxp:A>
    <rxp:P
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_13_LxbuneXbQUWTKODZEulqxA"
      id="Tc_lpCE-Eu5gEeckGvwf_kUWA_14_2">rxp:Fees</rxp:P>
    <rxp:Co
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_13_LxbuneXbQUWTKODZEulqxA"
      id="Tc_pZvLcHrbx0yugwfApJKQUw_14_3">country:US</rxp:Co>
    <rxp:Pr
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_13_LxbuneXbQUWTKODZEulqxA"
      id="Tc_Xu6Dd0R6VEmD982UYBZqZQ_14_6">mux:NewPass310ProjectMember</rxp:Pr>
    <rxp:A
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_14_IusvVd0hn0CUubBR_qS24g"
      decimals="0"
      id="Tc_SB0AFubvU0GWIYGJELQeoQ_15_1"
      unitRef="Unit_Standard_USD_ApTuzZVDnUmY6pHpor7rjg">120000</rxp:A>
    <rxp:P
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_14_IusvVd0hn0CUubBR_qS24g"
      id="Tc_43H4VHQzBkijY7nmBznwEQ_15_2">rxp:Fees</rxp:P>
    <rxp:Co
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_14_IusvVd0hn0CUubBR_qS24g"
      id="Tc_HXH6BaaClUiUTS_H6O4JpQ_15_3">country:US</rxp:Co>
    <rxp:Pr
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_14_IusvVd0hn0CUubBR_qS24g"
      id="Tc_nmAFU-ADc0W9P2M2bJ5s8Q_15_6">mux:LookoutMountainProjectMember</rxp:Pr>
    <rxp:A
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_15_ZSFxnCf7_EyTYEz1R5wOrg"
      decimals="0"
      id="Tc_qUtIltJnyUyaw9lmkSN4vg_16_1"
      unitRef="Unit_Standard_USD_ApTuzZVDnUmY6pHpor7rjg">60000</rxp:A>
    <rxp:P
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_15_ZSFxnCf7_EyTYEz1R5wOrg"
      id="Tc_kiCksYJDrU2NLeKNODzc0w_16_2">rxp:Fees</rxp:P>
    <rxp:Co
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_15_ZSFxnCf7_EyTYEz1R5wOrg"
      id="Tc_iVvY6eE9oEu8yasSk0JTdw_16_3">country:US</rxp:Co>
    <rxp:Pr
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_15_ZSFxnCf7_EyTYEz1R5wOrg"
      id="Tc_e_M6DfPvEEekV6SuGt5MGA_16_6">mux:WindfallProjectMember</rxp:Pr>
    <rxp:A
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_16_SNVWLOjkSEaY3hVHf0pSsw"
      decimals="0"
      id="Tc_Ix7LomM7aUeEBG2L93deLg_17_1"
      unitRef="Unit_Standard_USD_ApTuzZVDnUmY6pHpor7rjg">50000</rxp:A>
    <rxp:P
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_16_SNVWLOjkSEaY3hVHf0pSsw"
      id="Tc_NN0lVnXYOUWhUcCPxWWCrQ_17_2">rxp:Fees</rxp:P>
    <rxp:Co
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_16_SNVWLOjkSEaY3hVHf0pSsw"
      id="Tc_F_iv-tvxTU61ERBbPkaNGA_17_3">country:US</rxp:Co>
    <rxp:Pr
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_16_SNVWLOjkSEaY3hVHf0pSsw"
      id="Tc_ji9I1px9bE-TM5w2Z6zcQw_17_6">mux:OswegoProjectMember</rxp:Pr>
    <rxp:A
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_17_plnSnsrNGk-zXRvozlXB5w"
      decimals="0"
      id="Tc_xrdP83F2gEGwYihMS3scBA_18_1"
      unitRef="Unit_Standard_USD_ApTuzZVDnUmY6pHpor7rjg">50000</rxp:A>
    <rxp:P
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_17_plnSnsrNGk-zXRvozlXB5w"
      id="Tc_i0RhcpUz1E2guPle2mnVPg_18_2">rxp:Fees</rxp:P>
    <rxp:Co
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_17_plnSnsrNGk-zXRvozlXB5w"
      id="Tc_XG8WRiiX6km4MY1k4T4YqA_18_3">country:US</rxp:Co>
    <rxp:Pr
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_17_plnSnsrNGk-zXRvozlXB5w"
      id="Tc_cHT8s_X8YEqcFOjTIxEWzg_18_6">mux:SevenTroughsProjectMember</rxp:Pr>
    <rxp:A
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_18_hfQFmD_BuUig-BdhHTYOow"
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      id="Tc_K4Ef8OZhbEKrsT65haIfRQ_19_1"
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    <rxp:Gv
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_18_hfQFmD_BuUig-BdhHTYOow"
      id="Tc_9kIQ5V9JW0eurHIqVNdxUw_19_5">mux:FederalGovernmentOfMexicoTesoreriaDeLaFederacionMember</rxp:Gv>
    <rxp:Pr
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_PmtAxis_18_hfQFmD_BuUig-BdhHTYOow"
      id="Tc_4zP-lWMFOEyYkl-G0cDkGw_19_6">mux:ElGalloProjectMember</rxp:Pr>
    <dei:DocumentType
      contextRef="Duration_1_1_2025_To_12_31_2025_s8JRT9qUUECezqh4jhjzWg"
      id="Tc_inPmhKfJtESKLbph_Y4O_Q_1_1">2.01 SD</dei:DocumentType>
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    <dei:EntityCentralIndexKey
      contextRef="Duration_1_1_2025_To_12_31_2025_s8JRT9qUUECezqh4jhjzWg"
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      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_CountryAxis_country_CA_rxp_GovernmentAxis_mux_GovernmentCanadaRevenueAgencyMember_UDJsGC--jEK7c6yBwSqc8g"
      decimals="0"
      id="Tc_lMAPuX0bV0mQxZQ4z-m5Og_3_3"
      unitRef="Unit_Standard_USD_ApTuzZVDnUmY6pHpor7rjg">1840000</rxp:Taxes>
    <rxp:TotalPayments
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_CountryAxis_country_CA_rxp_GovernmentAxis_mux_GovernmentCanadaRevenueAgencyMember_UDJsGC--jEK7c6yBwSqc8g"
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      id="Tc_V_zUniBnd0SpD9bLhNFhYg_3_10"
      unitRef="Unit_Standard_USD_ApTuzZVDnUmY6pHpor7rjg">1840000</rxp:TotalPayments>
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      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_CountryAxis_country_CA_rxp_GovernmentAxis_mux_ApitipiAnicinapekNationMember_bN32q5xUKkG2a-Jb64DZ6g"
      decimals="0"
      id="Tc_fiDXA3LRXUeCR2gLo9L40g_4_5"
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      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_CountryAxis_country_CA_rxp_GovernmentAxis_mux_ApitipiAnicinapekNationMember_bN32q5xUKkG2a-Jb64DZ6g"
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      id="Tc_WAdJTmT35UqhysXChFfxow_4_10"
      unitRef="Unit_Standard_USD_ApTuzZVDnUmY6pHpor7rjg">180000</rxp:TotalPayments>
    <rxp:Taxes
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_CountryAxis_country_CA_rxp_GovernmentAxis_mux_MunicipalityOfBlackRiverBlackRiverMathesonMember_xa6sBEt3rUaOe8V6Fy7EKw"
      decimals="0"
      id="Tc_Q_9FQLcEykiiV3bDCdNK7Q_5_3"
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      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_CountryAxis_country_CA_rxp_GovernmentAxis_mux_MunicipalityOfBlackRiverBlackRiverMathesonMember_xa6sBEt3rUaOe8V6Fy7EKw"
      decimals="0"
      id="Tc_iZWOdzYbRUea35jVMCxsyQ_5_10"
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    <rxp:Taxes
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_CountryAxis_country_US_rxp_GovernmentAxis_mux_MunicipalityOfEurekaMember_sW5irIAXcUimIkgeY7ZorQ"
      decimals="0"
      id="Tc_NWhVEXXWCEG4tk3JkhQNkw_6_3"
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      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_CountryAxis_country_US_rxp_GovernmentAxis_mux_MunicipalityOfEurekaMember_sW5irIAXcUimIkgeY7ZorQ"
      decimals="0"
      id="Tc_k1I0SqzQp06zI54M9lIVEQ_6_5"
      unitRef="Unit_Standard_USD_ApTuzZVDnUmY6pHpor7rjg">70000</rxp:Fees>
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      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_CountryAxis_country_US_rxp_GovernmentAxis_mux_MunicipalityOfEurekaMember_sW5irIAXcUimIkgeY7ZorQ"
      decimals="0"
      id="Tc_hAq07qZu0ECgH-aPxABmrA_6_10"
      unitRef="Unit_Standard_USD_ApTuzZVDnUmY6pHpor7rjg">600000</rxp:TotalPayments>
    <rxp:Taxes
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_CountryAxis_country_US_rxp_GovernmentAxis_mux_StateOfNevadaMember_cAXMe0SMc0ucPain7qARFQ"
      decimals="0"
      id="Tc_P0J2RHnKC027Y2HJ29XnzA_7_3"
      unitRef="Unit_Standard_USD_ApTuzZVDnUmY6pHpor7rjg">820000</rxp:Taxes>
    <rxp:Fees
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_CountryAxis_country_US_rxp_GovernmentAxis_mux_StateOfNevadaMember_cAXMe0SMc0ucPain7qARFQ"
      decimals="0"
      id="Tc_Ve--WbPTLUuk1H6i27_7GQ_7_5"
      unitRef="Unit_Standard_USD_ApTuzZVDnUmY6pHpor7rjg">160000</rxp:Fees>
    <rxp:TotalPayments
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_CountryAxis_country_US_rxp_GovernmentAxis_mux_StateOfNevadaMember_cAXMe0SMc0ucPain7qARFQ"
      decimals="0"
      id="Tc_5EIcsXgyYkCRaDni0zB4fA_7_10"
      unitRef="Unit_Standard_USD_ApTuzZVDnUmY6pHpor7rjg">980000</rxp:TotalPayments>
    <rxp:Fees
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_CountryAxis_country_US_rxp_GovernmentAxis_mux_BureauOfLandManagementMember_KCzQJTlT5kyGG9z9JZ0ryw"
      decimals="0"
      id="Tc__y6bDy68a02k3bi__eRaDQ_8_5"
      unitRef="Unit_Standard_USD_ApTuzZVDnUmY6pHpor7rjg">1210000</rxp:Fees>
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      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_CountryAxis_country_US_rxp_GovernmentAxis_mux_BureauOfLandManagementMember_KCzQJTlT5kyGG9z9JZ0ryw"
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      id="Tc_bclPdplvG0qJPr7cWZSq_Q_8_10"
      unitRef="Unit_Standard_USD_ApTuzZVDnUmY6pHpor7rjg">1210000</rxp:TotalPayments>
    <rxp:Fees
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_CountryAxis_country_MX_rxp_GovernmentAxis_mux_FederalGovernmentOfMexicoTesoreriaDeLaFederacionMember_3oQyW9etr0GPpulPgtiu7Q"
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      id="Tc_z04qTbgbokS2qrBrpiyXMw_9_5"
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      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_CountryAxis_country_MX_rxp_GovernmentAxis_mux_FederalGovernmentOfMexicoTesoreriaDeLaFederacionMember_3oQyW9etr0GPpulPgtiu7Q"
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      decimals="0"
      id="Tc_NCkhHV0Jv0qgBPcyynLrDw_8_2"
      unitRef="Unit_Standard_USD_ApTuzZVDnUmY6pHpor7rjg">240000</rxp:Taxes>
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      decimals="0"
      id="Tc_ilaFhLI1l0WyV0bktPc97A_8_4"
      unitRef="Unit_Standard_USD_ApTuzZVDnUmY6pHpor7rjg">180000</rxp:Fees>
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      decimals="0"
      id="Tc_3PV63c6EuEqCP35l-HWPNw_8_9"
      unitRef="Unit_Standard_USD_ApTuzZVDnUmY6pHpor7rjg">420000</rxp:TotalPayments>
    <rxp:Taxes
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_ProjectAxis_mux_GoldBar306ProjectMember_ZCq_Kno6ukmZira5g_vMZg"
      decimals="0"
      id="Tc_7Ib_UEOMXkingAfraRbkPw_9_2"
      unitRef="Unit_Standard_USD_ApTuzZVDnUmY6pHpor7rjg">1340000</rxp:Taxes>
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      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_ProjectAxis_mux_GoldBar306ProjectMember_ZCq_Kno6ukmZira5g_vMZg"
      decimals="0"
      id="Tc_GyAV4rlA0UC2Kb2uu9XSjQ_9_4"
      unitRef="Unit_Standard_USD_ApTuzZVDnUmY6pHpor7rjg">230000</rxp:Fees>
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      decimals="0"
      id="Tc_8awb-YJcoESmBGO0KGfONA_9_9"
      unitRef="Unit_Standard_USD_ApTuzZVDnUmY6pHpor7rjg">1570000</rxp:TotalPayments>
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      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_ProjectAxis_mux_GoldBar307ProjectMember_N4jN60tdC0Siqj-nDHKrOA"
      decimals="0"
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      unitRef="Unit_Standard_USD_ApTuzZVDnUmY6pHpor7rjg">500000</rxp:Fees>
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      id="Tc_iFeYSteo9kOBju4uJtik6A_10_9"
      unitRef="Unit_Standard_USD_ApTuzZVDnUmY6pHpor7rjg">500000</rxp:TotalPayments>
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      decimals="0"
      id="Tc_ritGfjRVGUeYe7B2fg2KuA_11_4"
      unitRef="Unit_Standard_USD_ApTuzZVDnUmY6pHpor7rjg">40000</rxp:Fees>
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      id="Tc_mW9Mdck_FES2vb-ZcQ9IGQ_11_9"
      unitRef="Unit_Standard_USD_ApTuzZVDnUmY6pHpor7rjg">40000</rxp:TotalPayments>
    <rxp:Fees
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_ProjectAxis_mux_Tonkin101ProjectMember_zrjK7NzmtU2x4ORiDjnrNw"
      decimals="0"
      id="Tc_PIiin10XK0G9-YTu14pg8A_12_4"
      unitRef="Unit_Standard_USD_ApTuzZVDnUmY6pHpor7rjg">320000</rxp:Fees>
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      decimals="0"
      id="Tc_2bGDkUPR3keIIYVEa8PCVQ_12_9"
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    <rxp:Fees
      contextRef="Duration_1_1_2025_To_12_31_2025_rxp_ProjectAxis_mux_Cornerstone207ProjectMember_cAEdeYpv8EK9VKw7m2CkeA"
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      id="Tc_AI8utMaoM063LouvhUn-HQ_13_4"
      unitRef="Unit_Standard_USD_ApTuzZVDnUmY6pHpor7rjg">10000</rxp:Fees>
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      decimals="0"
      id="Tc_YY4oXT29d0eOBGNPCAWdPA_13_9"
      unitRef="Unit_Standard_USD_ApTuzZVDnUmY6pHpor7rjg">10000</rxp:TotalPayments>
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      id="Tc_gHHBG3ylx0mSDn-9zsvEXA_14_4"
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      decimals="0"
      id="Tc_tM_bkkyY4UuprDuG1mwyDA_14_9"
      unitRef="Unit_Standard_USD_ApTuzZVDnUmY6pHpor7rjg">10000</rxp:TotalPayments>
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      id="Tc_6QZ07QR7JkqV39G0kfZqHw_15_4"
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      id="Tc___5_Jo4ev0ixnOj2g_2UIQ_15_9"
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      id="Tc_yDdfB1BsAEGOO9z7qX99ng_16_4"
      unitRef="Unit_Standard_USD_ApTuzZVDnUmY6pHpor7rjg">20000</rxp:Fees>
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      id="Tc_hMI_XzrhaUeLY0ADEhf_zg_21_4"
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      id="Tc_aprmbVxWCkW4BpaPMIjXNQ_21_9"
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</xbrl>
