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Sales of goods (Tables) - Sociedad Minera Cerro Verde S.A.A. [Member]

12 Months Ended

Dec. 31, 2018

Disclosure of detailed information about revenue by geographic region [Text Block]

(b)

The following table shows net sales by geographic region based on the final destination port:

		For the year ended December 31, 2018				For the year ended December 31, 2017				For the year ended December 31, 2016
		US$(000)				US$(000)				US$(000)

Asia			2,404,530				2,416,826				1,865,346
North America			295,448				287,174				213,002
Europe			209,894				314,092				161,844
South America (primarily Peru)			136,400				193,174				150,648
Central America			15,658				-				-
			3,061,930				3,211,266				2,390,840
Less: Royalty contributions (see Note 2(k))			(7,904	)			(8,335	)			(6,686	)

Total net sales			3,054,026				3,202,931				2,384,154

Disclosure of detailed information about revenue by type of products [Text Block]

(a)

This item is made up as follows:

		For the year ended December 31, 2018								For the year ended December 31, 2017							For the year ended December 31, 2016
		Pounds (000)				US$(000)				Pounds (000)				US$(000)				Pounds (000)				US$(000)

Copper in concentrate			962,113				2,458,088				979,243				2,702,508				995,386				1,967,052
Copper cathode			86,346				251,908				84,679				241,725				109,128				247,431
Other (primarily silver and molybdenum concentrate)							351,934								267,033								176,357
Subtotal Sales							3,061,930								3,211,266								2,390,840
Less: Royalty contributions (see Note 2(k))							(7,904	)							(8,335	)							(6,686	)

Total net sales							3,054,026								3,202,931								2,384,154