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Disclosure of information on segments (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Operating income |  |  |
Sales of goods | $ 810,961,000 | $ 801,199,000 | $ 863,470,000
Sale of services | 12,884,000 | 22,222,000 | 21,052,000
Royalty income | 0 | 1,381,000 | 15,928,000
Total operating income | 823,845,000 | 824,802,000 | 900,450,000
Operating costs |  |  |
Cost of sales, excluding depreciation and amortization | (457,354,000) | (461,942,000) | (529,731,000)
Unabsorbed cost due to production stoppage | (19,893,000) | (23,058,000) | (25,509,000)
Cost of services | 6,243,000 | (3,163,000) | 1,269,000
Exploration in operating units | (49,229,000) | (80,796,000) | (56,412,000)
Depreciation and amortization | (181,039,000) | (176,781,000) | (187,211,000)
Mining royalties | (18,839,000) | (17,733,000) | (12,974,000)
Total operating costs | (732,597,000) | (763,473,000) | (813,106,000)
Gross profit (loss) | 91,248,000 | 61,329,000 | 87,344,000
Operating expenses, net |  |  |
Administrative expenses | (69,183,000) | (67,728,000) | (67,585,000)
Selling expenses | (19,392,000) | (20,222,000) | (20,827,000)
Write-off of stripping activity asset | 0 | 0 | (6,763,000)
Exploration in non-operating areas | (13,452,000) | (14,252,000) | (11,270,000)
Reversal (provision) of contingencies and others | 6,927,000 | (2,935,000) | (2,687,000)
Impairment recovery (loss) of long-lived assets |  | 19,874,000 | (14,910,000)
Other, net | 24,973,000 | (15,085,000) | (29,260,000)
Total operating expenses, net | (70,127,000) | (100,348,000) | (153,302,000)
Operating profit (loss) | 21,121,000 | (39,019,000) | (65,958,000)
Other income (expense),net |  |  |
Finance income | 9,057,000 | 14,443,000 | 5,952,000
Foreign currency exchange difference | 19,375,000 | 26,871,000 | (18,686,000)
Share in the results of associates and joint ventures | 152,225,000 | 176,270,000 | 240,450,000
Finance costs | (119,254,000) | (54,136,000) | (60,629,000)
Profit (loss) before income tax | 82,524,000 | 124,429,000 | 101,129,000
Income tax expense | (42,994,000) | (41,000) | 23,671,000
Current income tax | (69,306,000) | (15,633,000) | (20,375,000)
Deferred Income tax | 26,312,000 | 15,592,000 | 44,046,000
Profit (loss) from continued operations | 39,530,000 | 124,388,000 | 124,800,000
Loss per basic share | (6,848,000) | 478,547,000 | (387,604,000)
Profit for the year | 32,682,000 | 602,935,000 | (262,804,000)
Total assets | 4,533,799,000 | 4,503,227,000 | 4,561,811,000
Total liability | 1,364,588,000 | 1,340,286,000 | 2,023,280,000
Other segment information |  |  |
Investments in associates | 1,527,123,000 | 1,520,977,000 | 1,422,295,000
Acquisition of long-lived assets | 238,669,000 | 151,973,000 | 90,309,000
Changes in estimates of mine closures plans | 11,879,000 | (21,869,000) | (3,272,000)
Exploration and development mining projects [Member] |  |  |
Operating income |  |  |
Sales of goods | 0 | 0 | 0
Sale of services | 0 | 0 | 0
Royalty income |  | 0 | 0
Total operating income | 0 | 0 | 0
Operating costs |  |  |
Cost of sales, excluding depreciation and amortization | 0 | 0 | 0
Unabsorbed cost due to production stoppage | 0 | 0 | 0
Cost of services | 0 | 0 | 0
Exploration in operating units | 0 | 0 | 0
Depreciation and amortization | 0 | 0 | 0
Mining royalties | 0 | 0 | 0
Total operating costs | 0 | 0 | 0
Gross profit (loss) | 0 | 0 | 0
Operating expenses, net |  |  |
Administrative expenses | (1,682,000) | (1,528,000) | (1,447,000)
Selling expenses | 0 | 0 | 0
Write-off of stripping activity asset |  |  | 0
Exploration in non-operating areas | (1,149,000) | (282,000) | (1,011,000)
Reversal (provision) of contingencies and others | (194,000) | 108,000 | 132,000
Impairment recovery (loss) of long-lived assets |  | 0 | 0
Other, net | (3,750,000) | (931,000) | (371,000)
Total operating expenses, net | (6,775,000) | (2,633,000) | (2,697,000)
Operating profit (loss) | (6,775,000) | (2,633,000) | (2,697,000)
Other income (expense),net |  |  |
Finance income | 13,000 | 11,000 | 0
Foreign currency exchange difference | 307,000 | 604,000 | (1,210,000)
Share in the results of associates and joint ventures | 0 | 0 | 0
Finance costs | (517,000) | (297,000) | (238,000)
Profit (loss) before income tax | (6,972,000) | (2,315,000) | (4,145,000)
Income tax expense | 0 | 0 | 0
Current income tax | 0 | 0 | 0
Deferred Income tax | 0 | 0 | 0
Profit (loss) from continued operations | (6,972,000) | (2,315,000) | (4,145,000)
Total assets | 694,950,000 | 496,198,000 | 442,335,000
Total liability | 59,476,000 | 21,844,000 | 21,764,000
Other segment information |  |  |
Investments in associates | 0 | 0 | 0
Acquisition of long-lived assets | 150,198,000 | 46,459,000 | 22,513,000
Changes in estimates of mine closures plans | 0 | (6,576,000) | (679,000)
Energy generation and transmission [Member] |  |  |
Operating income |  |  |
Sales of goods | 0 | 0 | 0
Sale of services | 53,025,000 | 52,433,000 | 53,083,000
Royalty income |  | 0 | 0
Total operating income | 53,025,000 | 52,433,000 | 53,083,000
Operating costs |  |  |
Cost of sales, excluding depreciation and amortization | 0 | 0 | 0
Unabsorbed cost due to production stoppage | 0 | 0 | 0
Cost of services | 34,852,000 | (24,861,000) | 20,781,000
Exploration in operating units | 0 | 0 | 0
Depreciation and amortization | (9,037,000) | (9,040,000) | (8,995,000)
Mining royalties | 0 | 0 | 0
Total operating costs | (43,889,000) | (33,901,000) | (29,776,000)
Gross profit (loss) | 9,136,000 | 18,532,000 | 23,307,000
Operating expenses, net |  |  |
Administrative expenses | (2,377,000) | (2,948,000) | (2,942,000)
Selling expenses | (748,000) | (770,000) | (740,000)
Write-off of stripping activity asset |  |  | 0
Exploration in non-operating areas | 0 | 0 | 0
Reversal (provision) of contingencies and others | 83,000 | (440,000) | 111,000
Impairment recovery (loss) of long-lived assets |  | 0 | 0
Other, net | 56,000 | (196,000) | 134,000
Total operating expenses, net | (2,986,000) | (4,354,000) | (3,437,000)
Operating profit (loss) | 6,150,000 | 14,178,000 | 19,870,000
Other income (expense),net |  |  |
Finance income | 1,142,000 | 394,000 | 124,000
Foreign currency exchange difference | 24,000 | (207,000) | (377,000)
Share in the results of associates and joint ventures | 1,962,000 | 7,008,000 | 20,525,000
Finance costs | (4,178,000) | (5,337,000) | (4,731,000)
Profit (loss) before income tax | 5,100,000 | 16,036,000 | 35,411,000
Income tax expense | (501,000) | (2,433,000) | 5,692,000
Current income tax | (1,912,000) | (3,238,000) | (1,132,000)
Deferred Income tax | 1,411,000 | 805,000 | 6,824,000
Profit (loss) from continued operations | 4,599,000 | 13,603,000 | 41,103,000
Total assets | 367,130,000 | 377,679,000 | 385,626,000
Total liability | 116,398,000 | 131,540,000 | 153,090,000
Other segment information |  |  |
Investments in associates | 123,610,000 | 121,650,000 | 99,352,000
Acquisition of long-lived assets | 1,168,000 | 1,487,000 | 754,000
Changes in estimates of mine closures plans | 0 | 0 | 0
Insurance brokerage [Member] |  |  |
Operating income |  |  |
Sales of goods | 0 | 0 | 0
Sale of services | 8,099,000 | 17,207,000 | 15,651,000
Royalty income |  | 0 | 0
Total operating income | 8,099,000 | 17,207,000 | 15,651,000
Operating costs |  |  |
Cost of sales, excluding depreciation and amortization | 0 | 0 | 0
Unabsorbed cost due to production stoppage | 0 | 0 | 0
Cost of services | 0 | 0 | 0
Exploration in operating units | 0 | 0 | 0
Depreciation and amortization | 0 | 0 | 0
Mining royalties | 0 | 0 | 0
Total operating costs | 0 | 0 | 0
Gross profit (loss) | 8,099,000 | 17,207,000 | 15,651,000
Operating expenses, net |  |  |
Administrative expenses | (11,440,000) | (12,694,000) | (11,796,000)
Selling expenses | 0 | 0 | 0
Write-off of stripping activity asset |  |  | 0
Exploration in non-operating areas | 0 | 0 | 0
Reversal (provision) of contingencies and others | 0 | 0 | 0
Impairment recovery (loss) of long-lived assets |  | 0 | 0
Other, net | 0 | 0 | 0
Total operating expenses, net | (11,440,000) | (12,694,000) | (11,796,000)
Operating profit (loss) | (3,341,000) | 4,513,000 | 3,855,000
Other income (expense),net |  |  |
Finance income | 5,000 | 0 | 0
Foreign currency exchange difference | 0 | (45,000) | 397,000
Share in the results of associates and joint ventures | 0 | 0 | (15,000)
Finance costs | (27,000) | (48,000) | (52,000)
Profit (loss) before income tax | (3,363,000) | 4,420,000 | 4,185,000
Income tax expense | 970,000 | (1,186,000) | (1,603,000)
Current income tax | (8,000) | (1,197,000) | (1,673,000)
Deferred Income tax | 978,000 | 11,000 | 70,000
Profit (loss) from continued operations | (2,393,000) | 3,234,000 | 2,582,000
Total assets | 0 | 14,436,000 | 19,152,000
Total liability | 0 | 6,107,000 | 6,343,000
Other segment information |  |  |
Investments in associates | 0 | 0 | 0
Acquisition of long-lived assets | 0 | 25,000 | 139,000
Changes in estimates of mine closures plans | 0 | 0 | 0
Rental of mining concessions [Member] |  |  |
Operating income |  |  |
Sales of goods | 0 | 0 | 0
Sale of services | 0 | 0 | 0
Royalty income |  | 1,381,000 | 15,928,000
Total operating income | 0 | 1,381,000 | 15,928,000
Operating costs |  |  |
Cost of sales, excluding depreciation and amortization | 0 | 0 | 0
Unabsorbed cost due to production stoppage | 0 | 0 | 0
Cost of services | 0 | 0 | 0
Exploration in operating units | 0 | 0 | 0
Depreciation and amortization | 0 | 0 | 0
Mining royalties | 0 | 0 | 0
Total operating costs | 0 | 0 | 0
Gross profit (loss) | 0 | 1,381,000 | 15,928,000
Operating expenses, net |  |  |
Administrative expenses | (186,000) | (218,000) | (242,000)
Selling expenses | 0 | 0 | 0
Write-off of stripping activity asset |  |  | 0
Exploration in non-operating areas | 0 | 0 | 0
Reversal (provision) of contingencies and others | 0 | (98,000) | 15,000
Impairment recovery (loss) of long-lived assets |  | 0 | 0
Other, net | 8,551,000 | 8,162,000 | 34,000
Total operating expenses, net | (8,365,000) | (7,846,000) | (193,000)
Operating profit (loss) | 8,365,000 | 9,227,000 | 15,735,000
Other income (expense),net |  |  |
Finance income | 56,000 | 5,000 | 0
Foreign currency exchange difference | 10,000 | 1,000 | (83,000)
Share in the results of associates and joint ventures | 0 | 0 | 0
Finance costs | (1,000) | (2,000) | (2,000)
Profit (loss) before income tax | 8,430,000 | 9,231,000 | 15,650,000
Income tax expense | (2,529,000) | (2,714,000) | (4,661,000)
Current income tax | (2,529,000) | (2,714,000) | (4,661,000)
Deferred Income tax | 0 | 0 | 0
Profit (loss) from continued operations | 5,901,000 | 6,517,000 | 10,989,000
Total assets | 4,854,000 | 3,306,000 | 4,927,000
Total liability | 90,000 | 139,000 | 1,717,000
Other segment information |  |  |
Investments in associates | 0 | 0 | 0
Acquisition of long-lived assets | 0 | 0 | 0
Changes in estimates of mine closures plans | 0 | 0 | 0
Holding of investment in shares [Member] |  |  |
Operating income |  |  |
Sales of goods | 0 | 0 | 0
Sale of services | 441,000 | 421,000 | 551,000
Royalty income |  | 0 | 0
Total operating income | 441,000 | 421,000 | 551,000
Operating costs |  |  |
Cost of sales, excluding depreciation and amortization | 0 | 0 | 0
Unabsorbed cost due to production stoppage | 0 | 0 | 0
Cost of services | 0 | 0 | 0
Exploration in operating units | 0 | 0 | 0
Depreciation and amortization | 0 | 0 | 0
Mining royalties | 0 | 0 | 0
Total operating costs | 0 | 0 | 0
Gross profit (loss) | 441,000 | 421,000 | 551,000
Operating expenses, net |  |  |
Administrative expenses | (365,000) | (617,000) | (1,687,000)
Selling expenses | 0 | 0 | 0
Write-off of stripping activity asset |  |  | 0
Exploration in non-operating areas | 0 | 0 | 0
Reversal (provision) of contingencies and others | 127,000 | 0 | 0
Impairment recovery (loss) of long-lived assets |  | 0 | 0
Other, net | 349,000 | (2,472,000) | (44,000)
Total operating expenses, net | (111,000) | (3,089,000) | (1,731,000)
Operating profit (loss) | 552,000 | (2,668,000) | (1,180,000)
Other income (expense),net |  |  |
Finance income | 328,000 | 308,000 | 0
Foreign currency exchange difference | 343,000 | (693,000) | (7,000)
Share in the results of associates and joint ventures | 21,517,000 | 4,756,000 | (411,974,000)
Finance costs | (2,000) | (29,000) | (1,000)
Profit (loss) before income tax | 22,738,000 | 1,674,000 | (413,162,000)
Income tax expense | (76,000) | 1,182,000 | (121,000)
Current income tax | (76,000) | 1,289,000 | (121,000)
Deferred Income tax | 0 | (107,000) | 0
Profit (loss) from continued operations | 22,662,000 | 2,856,000 | (413,283,000)
Total assets | 232,177,000 | 231,820,000 | 261,803,000
Total liability | 402,000 | 226,000 | 275,814,000
Other segment information |  |  |
Investments in associates | 226,582,000 | 213,682,000 | 207,233,000
Acquisition of long-lived assets | 0 | 3,000 | 0
Changes in estimates of mine closures plans | 0 | 0 | 0
Industrial activities [Member] |  |  |
Operating income |  |  |
Sales of goods | 18,224,000 | 53,073,000 | 47,024,000
Sale of services | 1,508,000 | 0 | 13,876,000
Royalty income |  | 0 | 0
Total operating income | 19,732,000 | 53,073,000 | 60,900,000
Operating costs |  |  |
Cost of sales, excluding depreciation and amortization | (17,783,000) | (52,122,000) | (46,811,000)
Unabsorbed cost due to production stoppage | (3,927,000) | (1,973,000) | (1,050,000)
Cost of services | 1,612,000 | 0 | 3,940,000
Exploration in operating units | 0 | 0 | 0
Depreciation and amortization | (6,082,000) | (6,396,000) | (11,569,000)
Mining royalties | 0 | 0 | 0
Total operating costs | (29,404,000) | (60,491,000) | (63,370,000)
Gross profit (loss) | (9,672,000) | (7,418,000) | (2,470,000)
Operating expenses, net |  |  |
Administrative expenses | (536,000) | (442,000) | (1,102,000)
Selling expenses | (115,000) | (177,000) | (559,000)
Write-off of stripping activity asset |  |  | 0
Exploration in non-operating areas | 0 | 0 | 0
Reversal (provision) of contingencies and others | 200,000 | 0 | 9,000
Impairment recovery (loss) of long-lived assets |  | 19,874,000 | (19,874,000)
Other, net | (272,000) | 321,000 | (82,000)
Total operating expenses, net | (723,000) | (19,576,000) | (21,608,000)
Operating profit (loss) | (10,395,000) | 12,158,000 | (24,078,000)
Other income (expense),net |  |  |
Finance income | 308,000 | 54,000 | 12,000
Foreign currency exchange difference | 301,000 | 1,218,000 | (1,824,000)
Share in the results of associates and joint ventures | 0 | 0 | 0
Finance costs | (6,000) | (25,000) | (98,000)
Profit (loss) before income tax | (9,792,000) | 13,405,000 | (25,988,000)
Income tax expense | 3,815,000 | 3,208,000 | (1,692,000)
Current income tax | 0 | 0 | (291,000)
Deferred Income tax | 3,815,000 | 3,208,000 | (1,401,000)
Profit (loss) from continued operations | (5,977,000) | 16,613,000 | (27,680,000)
Total assets | 65,318,000 | 74,266,000 | 63,551,000
Total liability | 5,346,000 | 7,981,000 | 13,920,000
Other segment information |  |  |
Investments in associates | 0 | 0 | 0
Acquisition of long-lived assets | 157,000 | 265,000 | 1,744,000
Changes in estimates of mine closures plans | 0 | 0 | 0
Corporates [Member] |  |  |
Operating income |  |  |
Sales of goods | 0 | 0 | 0
Sale of services | 0 | 0 | 0
Royalty income |  | 0 | 0
Total operating income | 0 | 0 | 0
Operating costs |  |  |
Cost of sales, excluding depreciation and amortization | 0 | 0 | 0
Unabsorbed cost due to production stoppage | 0 | 0 | 0
Cost of services | 0 | 0 | 0
Exploration in operating units | 0 | 0 | 0
Depreciation and amortization | 0 | 0 | 0
Mining royalties | 0 | 0 | 0
Total operating costs | 0 | 0 | 0
Gross profit (loss) | 0 | 0 | 0
Operating expenses, net |  |  |
Administrative expenses | (5,140,000) | (5,966,000) | (4,534,000)
Selling expenses | 0 | 0 | 0
Write-off of stripping activity asset |  |  | 0
Exploration in non-operating areas | (3,828,000) | (4,737,000) | (3,100,000)
Reversal (provision) of contingencies and others | 2,398,000 | 442,000 | (436,000)
Impairment recovery (loss) of long-lived assets |  | 0 | 0
Other, net | 18,437,000 | (6,090,000) | (80,000)
Total operating expenses, net | (11,867,000) | (16,351,000) | (8,150,000)
Operating profit (loss) | 11,867,000 | (16,351,000) | (8,150,000)
Other income (expense),net |  |  |
Finance income | 3,572,000 | 12,226,000 | 5,659,000
Foreign currency exchange difference | 17,507,000 | 25,235,000 | (9,542,000)
Share in the results of associates and joint ventures | 152,371,000 | 164,823,000 | 236,593,000
Finance costs | (98,961,000) | (38,900,000) | (45,719,000)
Profit (loss) before income tax | 86,356,000 | 147,033,000 | 178,841,000
Income tax expense | (26,273,000) | 24,397,000 | 38,987,000
Current income tax | (45,126,000) | (731,000) | 0
Deferred Income tax | 18,853,000 | 25,128,000 | 38,987,000
Profit (loss) from continued operations | 60,083,000 | 171,430,000 | 217,828,000
Total assets | 2,917,237,000 | 3,047,322,000 | 3,016,730,000
Total liability | 696,152,000 | 655,598,000 | 1,243,575,000
Other segment information |  |  |
Investments in associates | 2,116,200,000 | 2,099,568,000 | 1,971,506,000
Acquisition of long-lived assets | 5,898,000 | 500,000 | 1,122,000
Changes in estimates of mine closures plans | 0 | 0 | (35,000)
Uchucchacua |  |  |
Operating income |  |  |
Sales of goods | 51,698,000 | 5,281,000 | 79,375,000
Sale of services | 0 | 0 | 0
Royalty income |  | 0 | 0
Total operating income | 51,698,000 | 5,281,000 | 79,375,000
Operating costs |  |  |
Cost of sales, excluding depreciation and amortization | (15,544,000) | 0 | (95,359,000)
Unabsorbed cost due to production stoppage | (18,695,000) | (24,916,000) | (25,326,000)
Cost of services | 0 | 0 | 0
Exploration in operating units | (24,428,000) | (32,592,000) | (11,090,000)
Depreciation and amortization | (6,279,000) | (9,000,000) | (14,083,000)
Mining royalties | (268,000) | (46,000) | (998,000)
Total operating costs | (65,214,000) | (66,554,000) | (146,856,000)
Gross profit (loss) | (13,516,000) | (61,273,000) | (67,481,000)
Operating expenses, net |  |  |
Administrative expenses | (4,512,000) | (651,000) | (6,758,000)
Selling expenses | (3,343,000) | (3,634,000) | (3,738,000)
Write-off of stripping activity asset |  |  | 0
Exploration in non-operating areas | (476,000) | (15,000) | (65,000)
Reversal (provision) of contingencies and others | 1,122,000 | (44,000) | (1,291,000)
Impairment recovery (loss) of long-lived assets |  | 0 | 0
Other, net | (2,435,000) | 2,453,000 | (7,865,000)
Total operating expenses, net | (9,644,000) | (1,891,000) | (19,717,000)
Operating profit (loss) | (23,160,000) | (63,164,000) | (87,198,000)
Other income (expense),net |  |  |
Finance income | 28,000 | 12,000 | 0
Foreign currency exchange difference | 112,000 | (290,000) | (2,010,000)
Share in the results of associates and joint ventures | 0 | 0 | 0
Finance costs | (917,000) | (496,000) | (431,000)
Profit (loss) before income tax | (23,937,000) | (63,938,000) | (89,639,000)
Income tax expense | (538,000) | (19,000) | (57,000)
Current income tax | (538,000) | (19,000) | (57,000)
Deferred Income tax | 0 | 0 | 0
Profit (loss) from continued operations | (24,475,000) | (63,957,000) | (89,696,000)
Total assets | 222,041,000 | 127,479,000 | 111,885,000
Total liability | 62,003,000 | 55,792,000 | 62,279,000
Other segment information |  |  |
Investments in associates | 0 | 0 | 0
Acquisition of long-lived assets | 14,353,000 | 32,000,000 | 16,109,000
Changes in estimates of mine closures plans | 2,094,000 | (3,107,000) | (517,000)
Orcopampa |  |  |
Operating income |  |  |
Sales of goods | 163,308,000 | 134,268,000 | 89,567,000
Sale of services | 0 | 0 | 0
Royalty income |  | 0 | 0
Total operating income | 163,308,000 | 134,268,000 | 89,567,000
Operating costs |  |  |
Cost of sales, excluding depreciation and amortization | (73,774,000) | (58,108,000) | (56,183,000)
Unabsorbed cost due to production stoppage | 0 | 0 | 0
Cost of services | 0 | 0 | 0
Exploration in operating units | (6,071,000) | (11,594,000) | (11,466,000)
Depreciation and amortization | (12,625,000) | (7,757,000) | (8,409,000)
Mining royalties | (14,307,000) | (12,220,000) | (7,636,000)
Total operating costs | (106,777,000) | (89,679,000) | (83,694,000)
Gross profit (loss) | 56,531,000 | 44,589,000 | 5,873,000
Operating expenses, net |  |  |
Administrative expenses | (15,975,000) | (12,406,000) | (7,649,000)
Selling expenses | (671,000) | (560,000) | (401,000)
Write-off of stripping activity asset |  |  | 0
Exploration in non-operating areas | 0 | 0 | 0
Reversal (provision) of contingencies and others | (183,000) | 544,000 | 70,000
Impairment recovery (loss) of long-lived assets |  | 0 | 0
Other, net | (899,000) | 124,000 | (501,000)
Total operating expenses, net | (17,728,000) | (12,298,000) | (8,481,000)
Operating profit (loss) | 38,803,000 | 32,291,000 | (2,608,000)
Other income (expense),net |  |  |
Finance income | 4,000 | 2,000 | 0
Foreign currency exchange difference | 76,000 | 99,000 | (129,000)
Share in the results of associates and joint ventures | 0 | 0 | 0
Finance costs | (1,791,000) | (546,000) | (493,000)
Profit (loss) before income tax | 37,092,000 | 31,846,000 | (3,230,000)
Income tax expense | (678,000) | (465,000) | (65,000)
Current income tax | (678,000) | (465,000) | (65,000)
Deferred Income tax | 0 | 0 | 0
Profit (loss) from continued operations | 36,414,000 | 31,381,000 | (3,295,000)
Total assets | 49,707,000 | 62,083,000 | 47,734,000
Total liability | 56,185,000 | 52,429,000 | 48,659,000
Other segment information |  |  |
Investments in associates | 0 | 0 | 0
Acquisition of long-lived assets | 3,624,000 | 3,584,000 | 2,983,000
Changes in estimates of mine closures plans | (123,000) | 5,112,000 | (390,000)
Julcani [Member] |  |  |
Operating income |  |  |
Sales of goods | 37,179,000 | 54,573,000 | 56,065,000
Sale of services | 0 | 0 | 0
Royalty income |  | 0 | 0
Total operating income | 37,179,000 | 54,573,000 | 56,065,000
Operating costs |  |  |
Cost of sales, excluding depreciation and amortization | (32,213,000) | (30,215,000) | (31,319,000)
Unabsorbed cost due to production stoppage | 0 | 0 | 0
Cost of services | 0 | 0 | 0
Exploration in operating units | (6,990,000) | (6,747,000) | (6,107,000)
Depreciation and amortization | (6,693,000) | (6,444,000) | (6,849,000)
Mining royalties | (367,000) | (472,000) | (599,000)
Total operating costs | (46,263,000) | (43,878,000) | (44,874,000)
Gross profit (loss) | (9,084,000) | 10,695,000 | 11,191,000
Operating expenses, net |  |  |
Administrative expenses | (3,993,000) | (5,028,000) | (4,737,000)
Selling expenses | (239,000) | (389,000) | (480,000)
Write-off of stripping activity asset |  |  | 0
Exploration in non-operating areas | 0 | 0 | 0
Reversal (provision) of contingencies and others | 1,409,000 | (1,776,000) | 320,000
Impairment recovery (loss) of long-lived assets |  | 0 | 0
Other, net | (1,074,000) | (793,000) | (844,000)
Total operating expenses, net | (3,897,000) | (7,986,000) | (5,741,000)
Operating profit (loss) | (12,981,000) | 2,709,000 | 5,450,000
Other income (expense),net |  |  |
Finance income | 0 | 4,000 | 0
Foreign currency exchange difference | 77,000 | 100,000 | (612,000)
Share in the results of associates and joint ventures | 0 | 0 | 0
Finance costs | (1,103,000) | (382,000) | (484,000)
Profit (loss) before income tax | (14,007,000) | 2,431,000 | 4,354,000
Income tax expense | (134,000) | (175,000) | (41,000)
Current income tax | (134,000) | (175,000) | (41,000)
Deferred Income tax | 0 | 0 | 0
Profit (loss) from continued operations | (14,141,000) | 2,256,000 | 4,313,000
Total assets | 31,371,000 | 34,131,000 | 30,449,000
Total liability | 33,413,000 | 31,388,000 | 32,912,000
Other segment information |  |  |
Investments in associates | 0 | 0 | 0
Acquisition of long-lived assets | 828,000 | 1,559,000 | 2,362,000
Changes in estimates of mine closures plans | 6,312,000 | 3,585,000 | (108,000)
Colquijirca [Member] |  |  |
Operating income |  |  |
Sales of goods | 432,616,000 | 400,994,000 | 410,390,000
Sale of services | 0 | 0 | 0
Royalty income |  | 0 | 0
Total operating income | 432,616,000 | 400,994,000 | 410,390,000
Operating costs |  |  |
Cost of sales, excluding depreciation and amortization | (248,972,000) | (267,997,000) | (248,021,000)
Unabsorbed cost due to production stoppage | 0 | 0 | 0
Cost of services | 0 | 0 | 0
Exploration in operating units | (7,761,000) | (16,671,000) | (17,099,000)
Depreciation and amortization | (87,216,000) | (72,171,000) | (68,830,000)
Mining royalties | (2,670,000) | (3,168,000) | (1,626,000)
Total operating costs | (346,619,000) | (360,007,000) | (335,576,000)
Gross profit (loss) | 85,997,000 | 40,987,000 | 74,814,000
Operating expenses, net |  |  |
Administrative expenses | (9,781,000) | (8,744,000) | (7,229,000)
Selling expenses | (11,457,000) | (9,649,000) | (9,946,000)
Write-off of stripping activity asset |  |  | (6,763,000)
Exploration in non-operating areas | (4,095,000) | (4,008,000) | (1,383,000)
Reversal (provision) of contingencies and others | 1,063,000 | (1,706,000) | (356,000)
Impairment recovery (loss) of long-lived assets |  | 0 | 0
Other, net | (10,511,000) | (7,777,000) | (12,571,000)
Total operating expenses, net | (34,781,000) | (31,884,000) | (38,248,000)
Operating profit (loss) | 51,216,000 | 9,103,000 | 36,566,000
Other income (expense),net |  |  |
Finance income | 2,866,000 | 879,000 | 388,000
Foreign currency exchange difference | 381,000 | 526,000 | (2,346,000)
Share in the results of associates and joint ventures | (158,000) | (10,000) | 36,000
Finance costs | (7,397,000) | (6,470,000) | (7,126,000)
Profit (loss) before income tax | 46,908,000 | 4,028,000 | 27,518,000
Income tax expense | (15,453,000) | (3,666,000) | (16,956,000)
Current income tax | (17,861,000) | (6,125,000) | (12,220,000)
Deferred Income tax | 2,408,000 | 2,459,000 | (4,736,000)
Profit (loss) from continued operations | 31,455,000 | 362,000 | 10,562,000
Total assets | 683,311,000 | 668,230,000 | 694,831,000
Total liability | 284,819,000 | 290,998,000 | 327,519,000
Other segment information |  |  |
Investments in associates | 1,628,000 | 2,486,000 | 2,497,000
Acquisition of long-lived assets | 61,772,000 | 62,593,000 | 37,649,000
Changes in estimates of mine closures plans | 3,061,000 | (11,322,000) | (1,410,000)
La Zanja [Member] |  |  |
Operating income |  |  |
Sales of goods | 16,472,000 | 52,260,000 | 39,380,000
Sale of services | 0 | 0 | 0
Royalty income |  | 0 | 0
Total operating income | 16,472,000 | 52,260,000 | 39,380,000
Operating costs |  |  |
Cost of sales, excluding depreciation and amortization | (29,008,000) | (49,903,000) | (46,531,000)
Unabsorbed cost due to production stoppage | 0 | 0 | 0
Cost of services | 0 | 0 | 0
Exploration in operating units | (537,000) | (3,212,000) | (574,000)
Depreciation and amortization | (3,855,000) | (7,459,000) | (5,449,000)
Mining royalties | (181,000) | (506,000) | (403,000)
Total operating costs | (33,581,000) | (61,080,000) | (52,957,000)
Gross profit (loss) | (17,109,000) | (8,820,000) | (13,577,000)
Operating expenses, net |  |  |
Administrative expenses | (2,413,000) | (3,061,000) | (2,932,000)
Selling expenses | (61,000) | (179,000) | (124,000)
Write-off of stripping activity asset |  |  | 0
Exploration in non-operating areas | (3,958,000) | (5,243,000) | (5,742,000)
Reversal (provision) of contingencies and others | 2,085,000 | (353,000) | (1,029,000)
Impairment recovery (loss) of long-lived assets |  | 0 | 4,964,000
Other, net | 7,246,000 | (7,374,000) | (44,000)
Total operating expenses, net | (2,899,000) | (16,210,000) | (4,907,000)
Operating profit (loss) | (14,210,000) | (25,030,000) | (18,484,000)
Other income (expense),net |  |  |
Finance income | 838,000 | 614,000 | 196,000
Foreign currency exchange difference | 92,000 | 336,000 | (296,000)
Share in the results of associates and joint ventures | 0 | 0 | 0
Finance costs | (2,996,000) | (1,318,000) | (1,361,000)
Profit (loss) before income tax | (16,276,000) | (25,398,000) | (19,945,000)
Income tax expense | 579,000 | (16,132,000) | 4,212,000
Current income tax | 579,000 | (187,000) | 0
Deferred Income tax | 0 | (15,945,000) | 4,212,000
Profit (loss) from continued operations | (15,697,000) | (41,530,000) | (15,733,000)
Total assets | 44,341,000 | 79,038,000 | 121,681,000
Total liability | 61,656,000 | 80,655,000 | 81,770,000
Other segment information |  |  |
Investments in associates | 0 | 0 | 0
Acquisition of long-lived assets | 2,827,000 | 1,719,000 | 999,000
Changes in estimates of mine closures plans | (922,000) | (8,705,000) | 175,000
Tambomayo [Member] |  |  |
Operating income |  |  |
Sales of goods | 108,063,000 | 151,789,000 | 181,021,000
Sale of services | 0 | 0 | 0
Royalty income |  | 0 | 0
Total operating income | 108,063,000 | 151,789,000 | 181,021,000
Operating costs |  |  |
Cost of sales, excluding depreciation and amortization | (70,260,000) | (76,214,000) | (82,531,000)
Unabsorbed cost due to production stoppage | 0 | 0 | 0
Cost of services | 0 | 0 | 0
Exploration in operating units | (3,442,000) | (9,980,000) | (10,076,000)
Depreciation and amortization | (49,863,000) | (59,125,000) | (63,638,000)
Mining royalties | (1,047,000) | (1,322,000) | (1,712,000)
Total operating costs | (124,612,000) | (146,641,000) | (157,957,000)
Gross profit (loss) | (16,549,000) | 5,148,000 | 23,064,000
Operating expenses, net |  |  |
Administrative expenses | (11,183,000) | (14,076,000) | (15,382,000)
Selling expenses | (2,758,000) | (5,126,000) | (5,485,000)
Write-off of stripping activity asset |  |  | 0
Exploration in non-operating areas | 0 | 0 | 0
Reversal (provision) of contingencies and others | (1,184,000) | (228,000) | 25,000
Impairment recovery (loss) of long-lived assets |  | 0 | 0
Other, net | 99,000 | (815,000) | (4,797,000)
Total operating expenses, net | (15,026,000) | (20,245,000) | (25,639,000)
Operating profit (loss) | (31,575,000) | (15,097,000) | (2,575,000)
Other income (expense),net |  |  |
Finance income | 8,000 | 4,000 | 0
Foreign currency exchange difference | 143,000 | (11,000) | (641,000)
Share in the results of associates and joint ventures | 0 | 0 | 0
Finance costs | (805,000) | (302,000) | (270,000)
Profit (loss) before income tax | (32,229,000) | (15,406,000) | (3,486,000)
Income tax expense | 0 | (527,000) | (132,000)
Current income tax | 0 | (527,000) | (132,000)
Deferred Income tax | 0 | 0 | 0
Profit (loss) from continued operations | (32,229,000) | (15,933,000) | (3,618,000)
Total assets | 143,451,000 | 197,550,000 | 264,521,000
Total liability | 30,915,000 | 29,654,000 | 36,551,000
Other segment information |  |  |
Investments in associates | 0 | 0 | 0
Acquisition of long-lived assets | 333,000 | 3,175,000 | 3,935,000
Changes in estimates of mine closures plans | 53,000 | (856,000) | (308,000)
Operating Segments [Member] |  |  |
Operating income |  |  |
Sales of goods | 5,107,737,000 | 4,986,536,000 | 5,317,751,000
Sale of services | 63,073,000 | 70,061,000 | 83,161,000
Royalty income |  | 1,381,000 | 15,928,000
Total operating income | 5,170,810,000 | 5,057,978,000 | 5,416,840,000
Operating costs |  |  |
Cost of sales, excluding depreciation and amortization | (2,714,235,000) | (3,016,839,000) | (2,867,931,000)
Unabsorbed cost due to production stoppage | (22,622,000) | (26,889,000) | (26,376,000)
Cost of services | 36,464,000 | (24,861,000) | 24,721,000
Exploration in operating units | (69,841,000) | (89,763,000) | (62,603,000)
Depreciation and amortization | (626,242,000) | (220,342,000) | (231,520,000)
Mining royalties | (19,526,000) | (19,234,000) | (13,503,000)
Total operating costs | (3,488,930,000) | (3,397,928,000) | (3,226,654,000)
Gross profit (loss) | 1,681,880,000 | 1,660,050,000 | 2,190,186,000
Operating expenses, net |  |  |
Administrative expenses | (73,652,000) | (76,901,000) | (77,847,000)
Selling expenses | (178,459,000) | (178,875,000) | (132,473,000)
Write-off of stripping activity asset |  |  | (6,763,000)
Exploration in non-operating areas | (13,506,000) | (14,285,000) | (11,301,000)
Reversal (provision) of contingencies and others | 6,926,000 | (3,477,000) | (2,430,000)
Impairment recovery (loss) of long-lived assets |  | 19,874,000 | (14,910,000)
Other, net | (64,900,000) | (39,004,000) | (34,985,000)
Total operating expenses, net | (323,591,000) | (292,668,000) | (280,709,000)
Operating profit (loss) | 1,358,289,000 | 1,367,382,000 | 1,909,477,000
Other income (expense),net |  |  |
Finance income | 51,828,000 | 28,788,000 | 8,339,000
Foreign currency exchange difference | 40,622,000 | 27,802,000 | 8,994,000
Share in the results of associates and joint ventures | 175,692,000 | 176,577,000 | (154,835,000)
Finance costs | (191,256,000) | (61,926,000) | (94,012,000)
Profit (loss) before income tax | 1,435,175,000 | 1,538,623,000 | 1,677,963,000
Income tax expense | (592,897,000) | (501,504,000) | (743,960,000)
Current income tax | (653,477,000) | (462,118,000) | (752,549,000)
Deferred Income tax | 60,580,000 | (39,386,000) | 8,589,000
Profit (loss) from continued operations | 842,278,000 | 1,037,119,000 | 934,003,000
Total assets | 13,843,508,000 | 13,836,447,000 | 14,063,903,000
Total liability | 2,786,627,000 | 2,824,648,000 | 4,454,433,000
Other segment information |  |  |
Investments in associates | 2,468,020,000 | 2,437,386,000 | 2,280,588,000
Acquisition of long-lived assets | 250,087,000 | 153,369,000 | 90,309,000
Changes in estimates of mine closures plans | 11,879,000 | (21,869,000) | (3,272,000)
Elimination of intersegment amounts [member] |  |  |
Operating income |  |  |
Sales of goods | (4,296,776,000) | (4,185,337,000) | (4,454,281,000)
Sale of services | (50,189,000) | (47,839,000) | (62,109,000)
Royalty income |  | 0 | 0
Total operating income | (4,346,965,000) | (4,233,176,000) | (4,516,390,000)
Operating costs |  |  |
Cost of sales, excluding depreciation and amortization | 2,256,881,000 | 2,554,897,000 | 2,338,200,000
Unabsorbed cost due to production stoppage | 2,729,000 | 3,831,000 | 867,000
Cost of services | (30,221,000) | 21,698,000 | (23,452,000)
Exploration in operating units | 20,612,000 | 8,967,000 | 6,191,000
Depreciation and amortization | 445,203,000 | 43,561,000 | 44,309,000
Mining royalties | 687,000 | 1,501,000 | 529,000
Total operating costs | 2,756,333,000 | 2,634,455,000 | 2,413,548,000
Gross profit (loss) | (1,590,632,000) | (1,598,721,000) | (2,102,842,000)
Operating expenses, net |  |  |
Administrative expenses | 4,469,000 | 9,173,000 | 10,262,000
Selling expenses | 159,067,000 | 158,653,000 | 111,646,000
Write-off of stripping activity asset |  |  | 0
Exploration in non-operating areas | 54,000 | 33,000 | 31,000
Reversal (provision) of contingencies and others | 1,000 | 542,000 | (257,000)
Impairment recovery (loss) of long-lived assets |  | 0 | 0
Other, net | 89,873,000 | 23,919,000 | 5,725,000
Total operating expenses, net | 253,464,000 | 192,320,000 | 127,407,000
Operating profit (loss) | (1,337,168,000) | (1,406,401,000) | (1,975,435,000)
Other income (expense),net |  |  |
Finance income | (42,771,000) | (14,345,000) | (2,387,000)
Foreign currency exchange difference | (21,247,000) | (931,000) | (27,680,000)
Share in the results of associates and joint ventures | (23,467,000) | (307,000) | 395,285,000
Finance costs | 72,002,000 | 7,790,000 | 33,383,000
Profit (loss) before income tax | (1,352,651,000) | (1,414,194,000) | (1,576,834,000)
Income tax expense | 549,903,000 | 501,463,000 | 767,631,000
Current income tax | 584,171,000 | 446,485,000 | 732,174,000
Deferred Income tax | (34,268,000) | 54,978,000 | 35,457,000
Profit (loss) from continued operations | (802,748,000) | (912,731,000) | (809,203,000)
Total assets | (9,309,709,000) | (9,333,220,000) | (9,502,092,000)
Total liability | (1,422,039,000) | (1,484,362,000) | (2,431,153,000)
Other segment information |  |  |
Investments in associates | (940,897,000) | (916,409,000) | (858,293,000)
Acquisition of long-lived assets | (11,418,000) | (1,396,000) | 0
Changes in estimates of mine closures plans | 0 | 0 | 0
Sociedad Minera Cerro Verde S.A.A. |  |  |
Operating income |  |  |
Sales of goods | 4,143,228,000 | 3,975,295,000 | 4,199,448,000
Sale of services | 0 | 0 | 0
Royalty income |  | 0 | 0
Total operating income | 4,143,228,000 | 3,975,295,000 | 4,199,448,000
Operating costs |  |  |
Cost of sales, excluding depreciation and amortization | (2,142,799,000) | (2,367,767,000) | (2,155,088,000)
Unabsorbed cost due to production stoppage | 0 | 0 | 0
Cost of services | 0 | 0 | 0
Exploration in operating units | (9,177,000) | 0 | 0
Depreciation and amortization | (409,847,000) | 0 | 0
Mining royalties | 0 | 0 | (5,889,000)
Total operating costs | (2,561,823,000) | (2,367,767,000) | (2,155,088,000)
Gross profit (loss) | 1,581,405,000 | 1,607,528,000 | 2,044,360,000
Operating expenses, net |  |  |
Administrative expenses | 0 | 0 | 0
Selling expenses | (158,244,000) | (157,373,000) | (109,886,000)
Write-off of stripping activity asset |  |  | 0
Exploration in non-operating areas | 0 | 0 | 0
Reversal (provision) of contingencies and others | 0 | 0 | 0
Impairment recovery (loss) of long-lived assets |  | 0 | 0
Impairment loss of long-lived assets | (3,546,000) | 0 | 0
Other, net | (82,042,000) | (23,933,000) | (8,110,000)
Total operating expenses, net | (240,286,000) | (181,306,000) | (117,996,000)
Operating profit (loss) | 1,341,119,000 | 1,426,222,000 | 1,926,364,000
Other income (expense),net |  |  |
Finance income | 36,285,000 | 12,314,000 | 1,713,000
Foreign currency exchange difference | 20,476,000 | 2,820,000 | 29,493,000
Share in the results of associates and joint ventures | 0 | 0 | 0
Finance costs | (67,118,000) | (31,500,000) | (30,393,000)
Profit (loss) before income tax | 1,330,762,000 | 1,433,900,000 | 1,927,177,000
Income tax expense | (551,798,000) | (508,547,000) | (735,703,000)
Current income tax | (582,438,000) | (445,078,000) | (704,454,000)
Deferred Income tax | 30,640,000 | (63,649,000) | (31,249,000)
Profit (loss) from continued operations | 778,964,000 | 925,353,000 | 1,191,474,000
Profit for the year | 778,964,000,000 | 925,353,000,000 | 1,191,474,000,000
Total assets | 7,930,910,000 | 7,993,863,000 | 8,124,564,000
Total liability | 1,250,536,000 | 1,342,436,000 | 1,997,558,000
Other segment information |  |  |
Investments in associates | 0 | 0 | 0
Acquisition of long-lived assets | 0 | 0 | 0
Changes in estimates of mine closures plans | 0 | 0 | 0
Compania Minera Coimolache S.A. |  |  |
Operating income |  |  |
Sales of goods | 136,949,000 | 159,003,000 | 215,481,000
Sale of services | 0 | 0 | 0
Royalty income |  | 0 | 0
Total operating income | 136,949,000 | 159,003,000 | 215,481,000
Operating costs |  |  |
Cost of sales, excluding depreciation and amortization | (83,882,000) | (114,513,000) | (106,088,000)
Unabsorbed cost due to production stoppage | 0 | 0 | 0
Cost of services | 0 | 0 | 0
Exploration in operating units | (11,435,000) | (8,967,000) | (6,191,000)
Depreciation and amortization | (34,745,000) | (42,950,000) | (43,698,000)
Mining royalties | (686,000) | (1,500,000) | (529,000)
Total operating costs | (130,748,000) | (167,930,000) | (156,506,000)
Gross profit (loss) | 6,201,000 | (8,927,000) | 58,975,000
Operating expenses, net |  |  |
Administrative expenses | (3,772,000) | (4,139,000) | (3,718,000)
Selling expenses | (823,000) | (1,018,000) | (1,114,000)
Write-off of stripping activity asset |  |  | 0
Exploration in non-operating areas | 0 | 0 | 0
Reversal (provision) of contingencies and others | 0 | 74,000 | 0
Impairment recovery (loss) of long-lived assets |  | 0 | 0
Other, net | 1,345,000 | 317,000 | 156,000
Total operating expenses, net | (3,250,000) | (4,766,000) | (4,676,000)
Operating profit (loss) | 2,951,000 | (13,693,000) | 54,299,000
Other income (expense),net |  |  |
Finance income | 6,298,000 | 1,961,000 | 247,000
Foreign currency exchange difference | 647,000 | (51,000) | (1,819,000)
Share in the results of associates and joint ventures | 0 | 0 | 0
Finance costs | (5,437,000) | (2,158,000) | (2,613,000)
Profit (loss) before income tax | 4,459,000 | (13,941,000) | 50,114,000
Income tax expense | (281,000) | 5,573,000 | (31,820,000)
Current income tax | (2,756,000) | (2,951,000) | (27,702,000)
Deferred Income tax | 2,475,000 | 8,524,000 | (4,118,000)
Profit (loss) from continued operations | 4,178,000 | (8,368,000) | 18,294,000
Profit for the year | 2,673,000 | (6,218,000) | 20,377,000
Total assets | 380,331,000 | 365,585,000 | 414,986,000
Total liability | 128,886,000 | 117,388,000 | 150,751,000
Other segment information |  |  |
Investments in associates | 0 | 0 | 0
Acquisition of long-lived assets | 8,929,000 | 0 | 0
Changes in estimates of mine closures plans | 1,404,000 | 0 | 0
Tinka resources Ltd |  |  |
Operating income |  |  |
Sales of goods |  | 0 | 0
Sale of services |  | 0 | 0
Royalty income |  | 0 | 0
Total operating income |  | 0 | 0
Operating costs |  |  |
Cost of sales, excluding depreciation and amortization |  | 0 | 0
Unabsorbed cost due to production stoppage |  | 0 | 0
Cost of services |  | 0 | 0
Exploration in operating units |  | 0 | 0
Depreciation and amortization |  | 0 | 0
Mining royalties | 0 | 0 | 0
Total operating costs |  | 0 | 0
Gross profit (loss) |  | 0 | 0
Operating expenses, net |  |  |
Administrative expenses | (297,000) | (4,383,000) | (5,692,000)
Selling expenses |  | 0 | 0
Write-off of stripping activity asset |  |  | 0
Exploration in non-operating areas |  | 0 | 0
Reversal (provision) of contingencies and others |  | 0 | 0
Impairment recovery (loss) of long-lived assets |  | 0 | 0
Other, net |  | 0 | 0
Total operating expenses, net | (297,000) | (4,383,000) | (5,692,000)
Operating profit (loss) | (297,000) | (4,383,000) | (5,692,000)
Other income (expense),net |  |  |
Finance income | 77,000 | 0 | 0
Foreign currency exchange difference | 126,000 | 0 | 0
Share in the results of associates and joint ventures |  | 0 | 0
Finance costs |  | 0 | 0
Profit (loss) before income tax | (94,000) | (4,383,000) | (5,692,000)
Income tax expense |  | 0 | 0
Current income tax |  | 0 | 0
Deferred Income tax |  | 0 | 0
Profit (loss) from continued operations | (94,000) | (4,383,000) | (5,692,000)
Profit for the year | (6,832,000) | (12,666,000) | (5,692,000)
Total assets | 76,379,000 | 63,461,000 | 59,128,000
Total liability | $ 350,000 | 473,000 | 211,000
Other segment information |  |  |
Investments in associates |  | 0 | 0
Acquisition of long-lived assets |  | 0 | 0
Changes in estimates of mine closures plans |  | $ 0 | $ 0

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