TRADE RECEIVABLES AND REVENUES FROM MINING OPERATIONS (Tables)

12 Months Ended

Dec. 31, 2012

TRADE RECEIVABLES AND REVENUES FROM MINING OPERATIONS

Revenues from mining operations

	Years Ended December 31,
	2012	2011	2010
Revenues from mining operations:
Gold	$1,712,665	$1,563,760	$1,216,249
Silver	140,221	171,725	104,544
Zinc	45,797	70,522	77,544
Copper	19,019	14,451	22,219
Lead	12	1,341	1,965
	$1,917,714	$1,821,799	$1,422,521