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MINERAL PROPERTIES AND PROPERTY, PLANT AND EQUIPMENT (Tables) | 12 Months Ended
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Dec. 31, 2024
MINERAL PROPERTIES AND PROPERTY, PLANT AND EQUIPMENT |
Schedule Related to Property, Plant and Equipment | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | Mineral properties - depletable $ | ​ | ​ | Mineral properties - non-depletable $ | ​ | ​ | Construction in progress $ | ​ | ​ | Property, plant & equipment $ | ​ | ​ | Total $
COST | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Balance as at December 31, 2023 | ​ | ​ | ​ | 1,540,342 | ​ | ​ | 244,235 | ​ | ​ | 44,218 | ​ | ​ | 941,528 | ​ | ​ | 2,770,323
Additions | ​ | ​ | ​ | 82,553 | ​ | ​ | 29,165 | ​ | ​ | 74,018 | ​ | ​ | 42,030 | ​ | ​ | 227,766
Changes in closure and reclamation provision | ​ | ​ | ​ | 2,890 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | (45) | ​ | ​ | 2,845
Disposals and write-offs (1) | ​ | ​ | ​ | - | ​ | ​ | (14,485) | ​ | ​ | - | ​ | ​ | (6,138) | ​ | ​ | (20,623)
Transfers (2) | ​ | ​ | ​ | (10,612) | ​ | ​ | 13,695 | ​ | ​ | (44,344) | ​ | ​ | 41,261 | ​ | ​ | -
Balance as at December 31, 2024 | ​ | ​ | ​ | 1,615,173 | ​ | ​ | 272,610 | ​ | ​ | 73,892 | ​ | ​ | 1,018,636 | ​ | ​ | 2,980,311
ACCUMULATED DEPLETION AND IMPAIRMENT | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Balance as at December 31, 2023 | ​ | ​ | ​ | 723,255 | ​ | ​ | - | ​ | ​ | 49 | ​ | ​ | 472,807 | ​ | ​ | 1,196,111
Disposals and write-offs | ​ | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | (5,341) | ​ | ​ | (5,341)
Impairment | ​ | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | -
Depletion and depreciation | ​ | ​ | ​ | 177,131 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 73,223 | ​ | ​ | 250,354
Balance as at December 31, 2024 | ​ | ​ | ​ | 900,386 | ​ | ​ | - | ​ | ​ | 49 | ​ | ​ | 540,689 | ​ | ​ | 1,441,124
Net book value as at December 31, 2024 | ​ | ​ | ​ | 714,787 | ​ | ​ | 272,610 | ​ | ​ | 73,843 | ​ | ​ | 477,947 | ​ | ​ | 1,539,187
| (1) | In July 2021, the Company completed the acquisition of Roxgold including its Boussoura exploration property in Burkina Faso. However, in December 2024, the Company confirmed that substantive expenditure on further exploration and evaluation of mineral resources at the Boussoura site is neither budgeted nor planned. As such, no future value is expected from the Boussoura property. Therefore, the carrying amount of the exploration and evaluation asset exceeded its recoverable amount and the Company recorded a write-off of the exploration property of $14.5 million. The Company reversed its deferred tax liability of $1.6 million related to exploration and evaluation assets subsequently to recording a write-off.
| (2) | In December 2024, the Company concluded a comprehensive review of its capitalized exploration costs associated with mineral properties. This review involved an analysis of drilling meters, exploration costs incurred to date, and an assessment of the likelihood of each prospect becoming part of the Company's mineral reserves. As a result of this review, certain prospects previously classified as depletable at the Séguéla mine were reclassified as non-depletable mineral properties, resulting in a net transfer of $13.7 million from depletable to non-depletable mineral properties. This reclassification reflects the updated assessment of the long-term economic viability and recoverability of mineral resources associated with these prospects and represents a true-up between depletable and non-depletable categories.
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | Mineral properties - depletable $ | ​ | ​ | Mineral properties - non-depletable $ | ​ | ​ | Construction in progress $ | ​ | ​ | Property, plant & equipment $ | ​ | ​ | Total $
COST | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Balance as at December 31, 2022 | ​ | ​ | ​ | 866,999 | ​ | ​ | 712,269 | ​ | ​ | 154,647 | ​ | ​ | 704,781 | ​ | ​ | 2,438,696
Acquisition of Roxgold | ​ | ​ | ​ | - | ​ | ​ | 58,862 | ​ | ​ | - | ​ | ​ | 282 | ​ | ​ | 59,144
Additions | ​ | ​ | ​ | 100,366 | ​ | ​ | 39,835 | ​ | ​ | 111,690 | ​ | ​ | 23,930 | ​ | ​ | 275,821
Changes in closure and reclamation provision | ​ | ​ | ​ | 9,407 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 152 | ​ | ​ | 9,559
Disposals and write-offs | ​ | ​ | ​ | (142) | ​ | ​ | (5,883) | ​ | ​ | - | ​ | ​ | (6,872) | ​ | ​ | (12,897)
Transfers | ​ | ​ | ​ | 563,712 | ​ | ​ | (560,848) | ​ | ​ | (222,119) | ​ | ​ | 219,255 | ​ | ​ | -
Balance as at December 31, 2023 | ​ | ​ | ​ | 1,540,342 | ​ | ​ | 244,235 | ​ | ​ | 44,218 | ​ | ​ | 941,528 | ​ | ​ | 2,770,323
ACCUMULATED DEPLETION AND IMPAIRMENT | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Balance as at December 31, 2022 | ​ | ​ | ​ | 506,268 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 364,807 | ​ | ​ | 871,075
Disposals and write-offs | ​ | ​ | ​ | (40) | ​ | ​ | - | ​ | ​ | - | ​ | ​ | (6,610) | ​ | ​ | (6,650)
Impairment | ​ | ​ | ​ | 60,602 | ​ | ​ | - | ​ | ​ | 49 | ​ | ​ | 29,964 | ​ | ​ | 90,615
Depletion and depreciation | ​ | ​ | ​ | 156,425 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 84,646 | ​ | ​ | 241,071
Balance as at December 31, 2023 | ​ | ​ | ​ | 723,255 | ​ | ​ | - | ​ | ​ | 49 | ​ | ​ | 472,807 | ​ | ​ | 1,196,111
Net book value as at December 31, 2023 | ​ | ​ | ​ | 817,087 | ​ | ​ | 244,235 | ​ | ​ | 44,169 | ​ | ​ | 468,721 | ​ | ​ | 1,574,212
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