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Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2019

Significant Accounting Policies [abstract]

Disclosure of subsidiaries

Name		Location		Ownership		Principal Activity
Minera Bateas S.A.C. ("Bateas")		Peru		100%		Caylloma Mine
Compania Minera Cuzcatlan S.A. de C.V. ("Cuzcatlan")		Mexico		100%		San Jose Mine
Mansfield Minera S.A. ("Mansfield")		Argentina		100%		Lindero Project

Schedule of useful life of property, plant and equipment

Land and buildings
Land		Not depreciated
Mineral properties		Units of production		Declining balance
Buildings, located at the mine		Units of production		Declining balance
Buildings, others (1)		6-10 years		Straight line
Leasehold improvements (1)		4-8 years		Straight line
Plant and equipment
Machinery and equipment (1)		3-12 years		Straight line
Furniture and other equipment (1)		2-12 years		Straight line
Transport units		4-5 years		Straight line
Capital work in progress		Not depreciated

⁽¹⁾ The lesser of useful life or life of mine.

Schedule of Operating Lease Payments, by Assets

Operating lease obligations as at December 31, 2018		$	2,553
Leases with lease term of 12 months or less and low value assets			(825)
Embedded leases identified in existing service contracts			6,162
Effect of discounting at incremental borrowing rate			(574)
Lease liabilities recognized as at January 1, 2019			7,316
Lease liabilities from finance leases previously recorded in lease obligations			8,767
Total lease liabilities as at January 1, 2019			16,083
Less current portion			(6,120)
Non-current portion		$	9,963

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Disclosure of useful life of property, plant and equipment.

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The disclosure of assets recognised by the entity as a result of engaging in finance leases. [Refer: Recognised finance lease as assets]

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The disclosure of subsidiaries. [Refer: Subsidiaries [member]]

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