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Property, Plant and Equipment, Net
6 Months Ended
Jun. 30, 2014
Property, Plant and Equipment, Net  
Property, Plant and Equipment, Net

7.   Property, Plant and Equipment, Net

 

The components of property, plant and equipment are as follows:

 

 

 

June 30,

 

December 31,

 

 

 

2014

 

2013

 

 

 

(in thousands)

 

Mineral properties

 

$

22,397

 

$

22,397

 

Exploration properties

 

2,993

 

2,993

 

Royalty properties

 

200

 

200

 

Buildings

 

2,357

 

2,349

 

Mining equipment and machinery

 

19,416

 

19,441

 

Other furniture and equipment

 

841

 

1,054

 

Asset retirement cost

 

2,002

 

2,087

 

 

 

50,206

 

50,521

 

Less: Accumulated depreciation and amortization

 

(19,567

)

(18,146

)

 

 

30,639

 

32,375

 

 

The asset retirement cost (“ARC”) is all related to the Company’s Velardeña Properties. The decrease in the ARC during the period is related to an adjustment to the asset retirement obligation (“ARO”) (see Note 9).