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BASIS OF PREPARATION (Tables) | 12 Months Ended
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Dec. 31, 2020
Disclosure Of Basis Of Preparation [Abstract] |
Disclosure of depreciation rates of major asset categories [Table Text Block] |
Land |  | Not depreciated
Buildings |  | Straight-line basis over 10-25 years
Plant and equipment |  | Units-of-production basis
Mining equipment |  | Straight-line basis over 5-20 years
Light vehicles and other mobile equipment |  | Straight-line basis over 2-5 years
Furniture, computer and office equipment |  | Straight-line basis over 2-3 years

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- Definition The entire disclosure of depreciation rates of major asset categories. + References No definition available. + Details
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