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RECLAMATION PROVISION (Tables)

12 Months Ended

Dec. 31, 2022

Asset retirement obligation

Asset retirement obligation and environmental remediation liability

Schedule of environmental remediation liability and reclamation provisions


		As at			As at
		December 31,			December 31,
		2022			2021
Asset retirement obligations - non-current, beginning of year		$	706,958		$	635,648
Asset retirement obligations - current, beginning of year			4,547			11,320
Current year additions and changes in estimate, net⁽ⁱ⁾			217,506			72,181
Current year accretion			15,951			6,554
Liabilities settled			(16,850)			(3,213)
Foreign exchange revaluation			(40,666)			(10,985)
Reclassification from non-current to current, end of year			(22,127)			(4,547)
Asset retirement obligations - non-current, end of year		$	865,319		$	706,958

Note:

(i)

Current year additions include $180.4 million related to the acquisition of Kirkland.

Environmental remediation liability

Asset retirement obligation and environmental remediation liability

Schedule of environmental remediation liability and reclamation provisions


		As at			As at
		December 31,			December 31,
		2022			2021
Environmental remediation liability - non-current, beginning of year		$	15,491		$	16,135
Environmental remediation liability - current, beginning of year			3,000			3,950
Current year additions and changes in estimate, net			—			1,048
Liabilities settled			(3,058)			(2,816)
Foreign exchange revaluation			(1,043)			174
Reclassification from non-current to current, end of year			(1,381)			(3,000)
Environmental remediation liability - non-current, end of year		$	13,009		$	15,491