Mineral Properties, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2024

Property, plant and equipment [abstract]

Detailed Information About Property Plant and Equipment

	Note	Mineral properties (note 9(a))		Plant and equipment		Construction- in-progress (note 9(b))		Exploration and evaluation assets		Total
Cost
Balance – December 31, 2022		$	2,092,144	$	820,531	$	382,338	$	50,797	$	3,345,810
Additions(1)		92,287		82,320		421,771		—		596,378
Transfers		414		72,993		(73,407)		—		—
Disposals		—		(6,548)		—		—		(6,548)
Change in reclamation and closure cost asset		23,185		—		—		—		23,185
Foreign currency translation		9,913		2,589		15,436		206		28,144
Balance – December 31, 2023		2,217,943		971,885		746,138		51,003		3,986,969
Remeasurement to fair value on Greenstone Acquisition	5	684,254		(15,227)		—		—		669,027
Acquired in Greenstone Acquisition(2)	5	890,390		76,013		479,937		5,762		1,452,102
Additions(1)		135,442		102,829		285,419		—		523,690
Transfers		436,969		818,419		(1,255,388)		—		—
Disposals		—		(52,820)		—		—		(52,820)
Change in reclamation and closure cost asset		16,161		—		—		—		16,161
Foreign currency translation	3(b)(ii)	(50,456)		(14,716)		(43,846)		406		(108,612)
Balance – December 31, 2024		$	4,330,703	$	1,886,383	$	212,260	$	57,171	$	6,486,517
Accumulated depreciation and depletion
Balance – December 31, 2022		$	317,568	$	187,743	$	—	$	—	$	505,311
Depreciation and depletion		140,212		121,669		—		—		261,881
Disposals		—		(5,727)		—		—		(5,727)
Foreign currency translation		—		291		—		—		291
Balance – December 31, 2023		457,780		303,976		—		—		761,756
Remeasurement to fair value on Greenstone Acquisition	5	—		(14,699)		—		—		(14,699)
Depreciation and depletion		97,570		118,884		—		—		216,454
Disposals		—		(40,895)		—		—		(40,895)
Foreign currency translation	3(b)(ii)	—		(812)		—		—		(812)
Balance – December 31, 2024		$	555,350	$	366,454	$	—	$	—	$	921,804
Net book value
At December 31, 2023		$	1,760,163	$	667,909	$	746,138	$	51,003	$	3,225,213
At December 31, 2024		$	3,775,353	$	1,519,929	$	212,260	$	57,171	$	5,564,713

(1)Additions for the year ended December 31, 2024 include the following non-cash additions: $52.7 million (2023 – $40.3 million) in additions to right-of-use assets included in plant and equipment, and $5.8 million and $1.8 million (2023 – $4.5 million and $7.6 million) of depreciation and depletion capitalized to mineral properties and construction-in-progress, respectively. In addition, $84.1 million (2023 – $46.2 million) of borrowing costs incurred were capitalized to construction-in-progress.

(2)Acquired in Greenstone Acquisition amounts represent the fair values of 40% of Greenstone’s mineral properties, plant and equipment that the Company did not previously own prior to the Greenstone Acquisition. Plant and equipment acquired includes $21.5 million of right-of-use assets.

Detailed Information About Significant Royalty Arrangements

Mineral property	Royalty arrangements
Greenstone	3% NSR
Mesquite	Weighted average LOM NSR of 2%
Los Filos	3% NSR for the Xochipala concession; 0.5% of gross revenue
Aurizona	1.5% of gross revenue; 3-5% sliding scale NSR based on gold price
Fazenda	1.5% of gross revenue
RDM	1% of gross revenue; 1.5% of gross revenue
Santa Luz	1.375% of gross revenue; 1.5% of gross revenue; 2% of gross revenue for the CBPM area of the C1 deposit
Castle Mountain	2.65% NSR; 5% of gross revenue for the South Domes area