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Inventories (Tables)

12 Months Ended

Dec. 31, 2018

Inventories [Abstract]

Schedule of current inventories

		2018			2017
		$			$
Gold and silver bullion		35,052			47,916
In-process inventory		16,345			11,464
Ore stock-pile inventory		58,546			55,498
Materials and supplies		124,028			91,567
		233,971			206,445

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Schedule Of Inventory, Current1 [Table Text Block]

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