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Costs applicable to sales (Tables)

12 Months Ended

Dec. 31, 2018

Minera Yanacocha SRL and subsidiary [Member]

Disclosure Of Detailed Information About Cost Of Sales [Text block] [Text Block]

This caption is made up as follows:

		2018				2017				2016
		US$(000)				US$(000)				US$(000)

Beginning balance of finished goods and in-process			345,489				446,503				544,325
Beginning balance of provision for net realizable value, note 8(b)			(62,540	)			(84,374	)			(90,298	)
Consumption of supplies			215,863				240,881				228,376
Personnel expenses			82,645				99,702				87,258
Other services			43,672				66,408				73,779
Maintenance			22,585				24,033				36,213
Power			24,203				23,565				27,270
Depreciation and amortization			156,212				87,783				140,712
Workers' profit participation			3,837				1,242				12,394
Reclamation expenses related to leach pads, note 12(b)			16,284				124,124				78,494
Ending balance of provision for net realizable value, note 8(b)			89,127				62,540				84,374
Ending balance of finished goods and in-process			(341,213	)			(345,489	)			(446,503	)

			596,164				746,918				776,394