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Exploration in operating units (Tables)

12 Months Ended

Dec. 31, 2019

Exploration in operating units

Schedule of detailed information about exploration and evaluation assets

This caption is made up as follows:


		2019		2018		2017
		US$(000)		US$(000)		US$(000)

Beginning balance of finished goods and products in process, net of depreciation and amortization		2,837		5,157		5,309

Exploration in operating units
Services provided by third parties		33,591		71,513		75,743
Consumption of materials and supplies		3,712		8,594		7,673
Direct labor		1,747		2,349		2,142
Short-term and low-value lease		1,186		2,065		1,405
Electricity and water		905		1,337		820
Transport		71		192		543
Maintenance and repair		10		450		98
Other minor		548		910		56
Total exploration in operating units		41,770		87,410		88,480
Final balance of products in process and finished goods, net of depreciation and amortization		(444)		(2,837)		(4,478)

Exploration in operating units		44,163		89,730		89,311