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COMMITMENTS AND CONTINGENCIES: - Guaymas sulfuric acid spill (Details) | 9 Months Ended | 12 Months Ended |
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Sep. 30, 2024 item T | Dec. 31, 2023 $ / item | May 09, 2023
Percentage of net earnings contribution | 5.00% |  |
Climate change |  |  |
Number of business units | item | 2 |  |
Threshold annual greenhouse gas emissions | T | 100,000 |  |
Climate change | Minimum |  |  |
Tax rate per tonne Of Carbon dioxide | $ / item |  | 9 |
Climate change | Maximum |  |  |
Tax rate per tonne Of Carbon dioxide | $ / item |  | 18 |
Threshold annual greenhouse gas emissions reporting to National emissions registry | T | 25,000 |  |
El Pilar | Minimum |  |  |
Estimated useful lives of buildings and equipment |  |  | 50 years
El Pilar | Maximum |  |  |
Estimated useful lives of buildings and equipment |  |  | 30 years

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