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PROPERTY, PLANT & EQUIPMENT (Narrative) (Details) - CAD ($) $ in Thousands | 12 Months Ended | 74 Months Ended
--- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2020
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Depreciation, right-of-use assets | $ 4,270 | $ 4,217 |
Gibraltar mining property [Member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Capitalized stripping costs | 30,918 | 25,705 |
Other capital expenditures | 23,057 | 20,359 |
Florence copper project [Member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Capitalized stripping costs | 18,059 | 15,956 |
Development costs capitalzed |  |  | $ 106,000
Mineral properties [Member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Depreciation on non-cash additions of mining assets | 4,569 | $ 2,847 |
Development costs capitalzed | $ 2,409 |  |

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- Definition The amount of depreciation of right-of-use assets. [Refer: Depreciation and amortisation expense; Right-of-use assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2019-01-01 -Paragraph 53 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2019-en-r&anchor=para_53_a&doctype=Standard -URIDate 2019-03-27 + Details
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- Details
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- Details
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- Details
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