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v3.21.1

OPERATING SEGMENTS - Revenue by Product (Details) | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Disclosure of products and services [line items] |  |
Revenue (as a percent) | 100.00% | 100.00%
Gold |  |
Disclosure of products and services [line items] |  |
Revenue (as a percent) | 88.00% | 76.00%
Silver |  |
Disclosure of products and services [line items] |  |
Revenue (as a percent) | 10.00% | 19.00%
Lead |  |
Disclosure of products and services [line items] |  |
Revenue (as a percent) | 1.00% | 3.00%
Zinc |  |
Disclosure of products and services [line items] |  |
Revenue (as a percent) | 1.00% | 2.00%

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- Definition The percentage of the entity's revenue. [Refer: Revenue] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 8 -IssueDate 2020-01-01 -Paragraph 34 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2020-en-r&anchor=para_34&doctype=Standard -URIDate 2020-01-01 + Details
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- Details
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- Details
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- Details
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- Details
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