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Exploration in non-operating areas | 12 Months Ended
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Dec. 31, 2020
Exploration in non-operating areas |
Exploration in non-operating areas | 25. Exploration in non-operating areas This caption is made up as follows:
|  | 2020 |  | 2019 |  | 2018
|  | US$(000) |  | US$(000) |  | US$(000)
Services provided by third parties |  | 3,326 |  | 3,611 |  | 22,764
Personnel expenses |  | 1,705 |  | 3,632 |  | 4,830
Services provided by third parties |  | 1,538 |  | 766 |  | 1,211
Lands |  | 420 |  | 1,528 |  | 1,867
Short-term and low-value lease |  | 327 |  | 415 |  | 1,524
Consumption of materials and supplies |  | 201 |  | 328 |  | 1,420
Other minor |  | 958 |  | 1,599 |  | 2,691
|  | 8,475 |  | 11,879 |  | 36,307
During 2020, disbursements of exploration in non-operating areas amount to US$8.5 million mainly focused in Emperatriz and general explorations (US$11.9 million in 2019 mainly focused in Yumpag and Marcapunta exploration projects, US$36.3 million during 2018 mainly focused in Yumpag, Marcapunta and Emperatriz exploration projects), which are presented in the “Payments to suppliers and third parties, and other net” caption of the consolidated statements of cash flows.

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