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Acquisition of Additional Interest in the Soto Norte Project - Schedule of Fair Value of Assets and Liabilities Acquired (Details) $ in Thousands | Jun. 28, 2024 USD ($) shares | Dec. 31, 2024 shares
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Fair value of assets acquired and liabilities assumed |  |
Number of shares issued (in shares) | shares |  | 171,034,256
Soto Norte |  |
Consideration paid |  |
15,750,000 common shares issued and 6,000,000 contingently issuable common shares of Aris Mining (Note 13b) | $ 180,920 |
Previously held interest in the Soto Norte Project (Note 7) | 108,363 |
Acquisition costs and project funding | 6,085 |
Total consideration paid | 295,368 |
Fair value of assets acquired and liabilities assumed |  |
Cash and cash equivalents | 5,251 |
Prepaid expenses and other receivables | 213 |
Mining interests, plant and equipment (Note 8) | 4,790 |
Exploration and evaluation assets (Note 8) | 578,110 |
Accounts payable and accrued liabilities | (2,511) |
Reclamation and rehabilitation provision (Note 11) | (1,690) |
Deferred revenue (Note 12c) | (5,010) |
Non-controlling interest | (283,785) |
Assets acquired and liabilities assumed | 295,368 |
Professional fees expense | 1,000 |
Transaction costs | $ 5,100 |
Number of shares issued (in shares) | shares | 15,750,000 |
Common shares issuable (in shares) | shares | 6,000,000 |

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