Mining Properties

12 Months Ended

Dec. 31, 2011

Mineral Properties, Net [Abstract]

Mining Properties

MINING PROPERTIES

	As at December 31, 2011							As at December 31, 2010
	Mining Properties		Accumulated Amortization			Mining Properties, Net Book		Mining Properties		Accumulated Amortization			Mining Properties, Net Book
Bogoso/Prestea	$	119,700	$	(60,186	)	$	59,514	$	99,435	$	(56,488	)	$	42,947
Bogoso sulfide	70,090		(34,839		)	35,251		58,591		(27,688		)	30,903
Mampon	16,095		—			16,095		15,995		—			15,995
Wassa/HBB	314,801		(180,486		)	134,315		287,619		(147,400		)	140,219
Other	27,312		(2,330		)	24,982		22,886		(2,330		)	20,556
Total	$	547,998	$	(277,841	)	$	270,157	$	484,526	$	(233,906	)	$	250,620

There was no interest capitalized in new additions to mining properties in the periods shown above.