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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) | 12 Months Ended
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Dec. 31, 2017
Disclosure of basis of preparation [Abstract] |
Schedule of Estimated Useful Life | Estimated useful lives are as follows:
Non-mining related buildings |  | 8 - 35 years
Non-mining related machinery and equipment |  | 3 - 15 years
Motor vehicles |  | 4 - 8 years

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- Definition The disclosure of detailed information about estimated useful life. + References No definition available. + Details
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