Geological and geophysical expenses (Tables)

12 Months Ended

Dec. 31, 2021

Disclosure Of Geological and geophysical expenses [Abstract]

Schedule of Geological and Geophysical Expenses

Amounts in US$ ‘000	2021	2020	2019
Staff costs (Note 11)	6,042	12,653	18,312
Share-based payment (Note 11)	177	240	136
Allocation to capitalized project	(953)	(102)	(4,834)
Other services	2,625	2,160	4,979
	7,891	14,951	18,593