Mining Properties

6 Months Ended

Jun. 30, 2012

Extractive Industries [Abstract]

Mining Properties

MINING PROPERTIES

	As of June 30, 2012							As of December 31, 2011
	Mining Properties		Accumulated Amortization			Mining Properties, Net Book		Mining Properties		Accumulated Amortization			Mining Properties, Net Book
Bogoso/Prestea	$	123,290	$	(63,049	)	$	60,241	$	119,700	$	(60,186	)	$	59,514
Bogoso refractory	70,309		(37,812		)	32,497		70,090		(34,839		)	35,251
Mampon	16,095		—			16,095		16,095		—			16,095
Wassa/HBB	328,914		(203,571		)	125,343		314,801		(180,486		)	134,315
Other	29,595		(4,421		)	25,174		27,312		(2,330		)	24,982
Total	$	568,203	$	(308,853	)	$	259,350	$	547,998	$	(277,841	)	$	270,157

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