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Other accounts payable (Tables)

12 Months Ended

Dec. 31, 2017

Disclosure of other accounts payable [Abstract]

Disclosure of information about other accounts payable [Text Block]

This item is made up as follows:

	December 31,
	2017		December 31, 2016
	US$(000)		US$(000)

Current
Mining royalties, interests and penalties 2006-2008 (a)		36,113		-
Other		4,069		3,619

Total current		40,182		3,619

(a)

Represents the current portion of payments under the installment program approved by SUNAT related to disputed mining royalties of US$14.9 million and interest and penalties of US$21.2 million (see Note 14(d)).