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Revenue from sales (Tables)

12 Months Ended

Dec. 31, 2017

Minera Yanacocha SRL and subsidiary [member]

Disclosure Of Detailed Information About Net Sales To Customers By Geographical Areas [Text Block]

The Company’s revenues are mainly from sales of gold ounces. The table below presents the net sales to customers by geographic region:

		2017			2016			2015
		US$(000)			US$(000)			US$(000)
Sales and services by geographic region:
Metal sales
Suiza			491,887			558,723			754,335
America			179,018			233,043			315,686
			670,905			791,766			1,070,021
Royalties, note 1(a) and 21			(20,739)			(24,339)			(32,414)
Mining royalties to the government			(4,990)			(6,234)			(6,433)
			645,176			761,193			1,031,174

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