XML 37 R24.htm IDEA: XBRL DOCUMENT v3.2.0.727
MINERAL PROPERTY INTERESTS AND ASSET RETIREMENT OBLIGATIONS (Tables)
6 Months Ended
Jun. 30, 2015
MINERAL PROPERTY INTERESTS AND ASSET RETIREMENT OBLIGATIONS  
Schedule of impairment charges on mineral property

 

 

 

 

Three months ended June 30,

 

Six months ended June 30,

 

Name of Property/Complex

 

Segment

 

2015

 

2014

 

2015

 

2014

 

 

 

 

 

(in thousands)

 

Gold Bar Project

 

Nevada

 

$

19,686 

 

$

 

$

19,686 

 

$

 

Tonkin Project

 

Nevada

 

8,856 

 

 

8,856 

 

 

Los Azules Copper Project

 

Argentina

 

 

120,398 

 

 

120,398 

 

 

 

 

 

 

 

 

 

 

 

 

 

Total impairments

 

 

 

$

28,542 

 

$

120,398 

 

$

28,542 

 

$

120,398 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Schedule of reconciliation of asset retirement obligations

 

 

Six months ended

 

Year ended

 

 

 

June 30, 2015

 

December 31, 2014

 

 

 

(in thousands)

 

Asset retirement obligation liability, beginning balance

 

$

7,471

 

$

7,247

 

Settlements

 

 

(52

)

Accretion of liability

 

232

 

407

 

Adjustment reflecting updated estimates

 

354

 

(131

)

 

 

 

 

 

 

Asset retirement obligation liability, ending balance

 

$

8,057

 

$

7,471