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Exploration in non-operating areas (Tables)

12 Months Ended

Dec. 31, 2019

Exploration in non-operating areas

Schedule of detailed information about exploration in non-operating units

This caption is made up as follows:


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

Personnel expenses		3,632		4,830		4,064
Services provided by third parties		3,611		22,764		5,401
Lands		1,528		1,867		1,781
Short-term and low-value lease		415		1,524		1,171
Consumption of materials and supplies		328		1,420		582
Other minor		2,365		3,902		5,263

		11,879		36,307		18,262