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Exploration expense (Tables)

3 Months Ended

Mar. 31, 2026

Exploration expenses

Schedule of exploration expense

						Three months ended March 31:
Project						2026						2025
Santa Cruz, USA						$	9,500					$	6,504
Alacrán, Colombia						3,334						3,336
Hog Heaven, USA						3,203						873
Gleeson, USA						2,630						96
Tintic, USA						234						712
Project generation and other						4,305						4,264
Total						$	23,206					$	15,785

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- Definition

No definition.

+ References

No definition available.

+ Details

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- Definition

Tabular disclosure of the capitalized costs of unproved properties and major development projects that are excluded from capitalized costs being amortized. This includes the total costs excluded and, at a minimum, these categories of costs: acquisition costs, exploration costs, development costs in the case of significant development projects, and capitalized interest.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 932
-SubTopic 360
-Name Accounting Standards Codification
-Section S50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477385/932-360-S50-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 932
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-10(c)(7)(ii))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479664/932-10-S99-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 932
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-10(c)(7)(ii)(B)(1))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479664/932-10-S99-1

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