​

2024

2023

2022

​

​

US$(000)

​

US$(000)

​

US$(000)

​

​

​

​

​

​

​

Beginning balance of finished goods and products in process, net of depreciation and amortization

549

988

2,036

​

​

​

​

​

​

​

Cost of exploration in operating units

​

​

​

​

​

​

Services provided by third parties

​

35,667

​

35,785

​

51,912

Consumption of materials and supplies

​

4,223

​

2,694

​

4,502

Direct labor

3,244

6,357

7,097

Short-term and low-value lease

​

3,097

​

1,791

​

5,016

Electricity and water

​

338

​

237

​

72

Transport

​

108

​

720

​

470

Maintenance and repair

​

40

​

66

​

211

Purchase of land

—

—

10,066

Other exploration rights

4,326

1,140

402

Total exploration in operating units

51,043

48,790

79,748

Final balance of finished goods and products in process

(708)

(549)

(1,408)

Write – off of products in process

—

—

420

Final balance of finished goods and products in process, net of depreciation and amortization

(708)

(549)

(988)

​

​

50,884

​

49,229

​

80,796