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Exploration expense (Tables) | 3 Months Ended
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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 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 + Details
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