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SIGNIFICANT ACCOUNTING POLICIES (Tables) | 12 Months Ended
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Dec. 31, 2017
SIGNIFICANT ACCOUNTING POLICIES [Abstract] |
Disclosure of subsidiaries [text block] | The principal Subsidiaries of the Company are as follows:
Name of subsidiary/associate | Principal activity | Method of accounting | Country of incorporation and operation | Interest as at December 31, 2017 | Interest as at December 31, 2016
Minera San Xavier S.A. de C.V. | Mining | Consolidated | Mexico | 100% | 100%
Peak Gold Mines Pty Ltd.(1) | Mining | Consolidated | Australia | 100% | 100%
Western Mesquite Mines Inc. | Mining | Consolidated | USA | 100% | 100%
| 1. | The Company has entered into an agreement to sell Peak Gold Mines Pty Ltd. As a result, the assets and liabilities associated with this subsidiary have been classified and presented as held-for-sale as at December 31, 2017.
Disclosure of detailed information about estimated useful life of property plant and equipment [text block] |
Asset class | Estimated useful life (years)
Building | 15 – 17
Plant and machinery | 3 – 17
Office equipment | 5 – 10
Vehicles | 5 – 7
Computer equipment | 3 – 5

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