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IMPAIRMENT AND REVERSAL OF NON-CURRENT ASSETS - Assumptions (Details) | 12 Months Ended
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Dec. 31, 2024 $ / ounce $ / lb | Dec. 31, 2023 $ / lb $ / ounce USD ($)
Copper | Short-term [Member] |  |
Disclosure of impairment assumptions |  |
Estimated mineral price for measurement of fair value less costs of disposal | $ / lb | 4.25 | 3.75
Copper | Long-term [Member] |  |
Disclosure of impairment assumptions |  |
Estimated mineral price for measurement of fair value less costs of disposal | $ / lb | 4.00 | 3.50
Copper | Average |  |
Disclosure of impairment assumptions |  |
WACC | 12.00% |
Gold | Short-term [Member] |  |
Disclosure of impairment assumptions |  |
Estimated mineral price for measurement of fair value less costs of disposal | $ / ounce | 2,400 | 1,900
Gold | Long-term [Member] |  |
Disclosure of impairment assumptions |  |
Estimated mineral price for measurement of fair value less costs of disposal | $ / ounce | 1,850 | 1,600
Gold | Minimum |  |
Disclosure of impairment assumptions |  |
WACC | 5.00% | 5.00%
Gold | Maximum |  |
Disclosure of impairment assumptions |  |
WACC | 9.00% | 9.00%
Gold | Average |  |
Disclosure of impairment assumptions |  |
WACC | 6.00% | 6.00%
value per ounce of gold | $ |  | 40
NAV multiple | 1.2 | 1.2
LOM year | 21 years | 23 years

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- Definition The discount rate used in the current measurement of fair value less costs of disposal. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2024-01-01 -Paragraph 130 -Subparagraph f -Clause iii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2024-en-r&anchor=para_130_f_iii&doctype=Standard -URIDate 2024-03-27 + Details
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