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Mining Properties
 12 Months Ended
Dec. 31, 2012
Extractive Industries [Abstract]  
Mining Properties
MINING PROPERTIES
The following table provides a breakdown of mining properties at December 31, 2012 and December 31, 2011:
 
As at December 31, 2012
 
As at December 31, 2011
 
Cost
 
Accumulated
Amortization
 
Net Book Value
 
Cost
 
Accumulated
Amortization
 
Net Book Value
Bogoso/Prestea
$
128,713

 
$
(64,972
)
 
$
63,741

 
$
119,700

 
$
(60,186
)
 
$
59,514

Bogoso refractory properties
70,865

 
(40,662
)
 
30,203

 
70,090

 
(34,839
)
 
35,251

Mampon
16,095

 
—

 
16,095

 
16,095

 
—

 
16,095

Wassa/HBB
352,241

 
(234,847
)
 
117,394

 
314,801

 
(180,486
)
 
134,315

Other
32,182

 
(7,439
)
 
24,743

 
27,312

 
(2,330
)
 
24,982

Total
$
600,096

 
$
(347,920
)
 
$
252,176

 
$
547,998

 
$
(277,841
)
 
$
270,157



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