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ASSET RETIREMENT OBLIGATIONS (Narrative) (Details) | Dec. 31, 2016
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Wuhu Feishang [Member] |
DisclosureOfAssetRetirementObligationsLineItems [Line Items] |
Inflation rate | 2.53%
Discount rate | 9.91%
Market risk premium rate | 6.09%
Antay Pacha [Member] |
DisclosureOfAssetRetirementObligationsLineItems [Line Items] |
Inflation rate | 4.80%
Discount rate | 8.42%
Market risk premium rate | 6.09%

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- Definition The discount rate used as the significant actuarial assumption to determine the present value of a defined benefit obligation. [Refer: Defined benefit obligation, at present value; Actuarial assumptions [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 19 -IssueDate 2017-01-01 -Paragraph 144 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=19&date=2017-03-01&anchor=para_144&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The expected rate of inflation that is used as a significant actuarial assumption to determine the present value of a defined benefit obligation. [Refer: Defined benefit plans [member]; Defined benefit obligation, at present value; Actuarial assumptions [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 19 -IssueDate 2017-01-01 -Paragraph 144 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=19&date=2017-03-01&anchor=para_144&doctype=Standard -URIDate 2017-03-09 + Details
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- Details
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- Details
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