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MINERAL PROPERTY INTERESTS AND ASSET RETIREMENT OBLIGATIONS (Tables)

9 Months Ended

Sep. 30, 2012

MINERAL PROPERTY INTERESTS AND ASSET RETIREMENT OBLIGATIONS

Summary of mineral property interests

The following table summarizes all of the Company’s mineral property interests in Nevada, Argentina and Mexico (in thousands):

Name of Property/Complex		State/Province		Country		Carrying Value
Tonkin Complex		Nevada		United States		$	52,204
Gold Bar Complex		Nevada		United States		$	77,012
Limo Complex		Nevada		United States		$	50,098
Battle Mountain Complex		Nevada		United States		$	31,106
Other United States Properties		Nevada		United States		$	19,107
Los Azules Copper Project		San Juan		Argentina		$	431,190
Other Argentina Exploration Properties		San Juan		Argentina		$	7,819
Cerro Negro Region		Santa Cruz		Argentina		$	80,889
Other Argentina Exploration Properties		Santa Cruz		Argentina		$	19,194
Other Argentina Exploration Properties		Catamarca		Argentina		$	2,362
Other Argentina Exploration Properties		Chubut		Argentina		$	248
El Gallo Complex		Sinaloa		Mexico		$	9,469
Other Mexico Exploration Properties		Sinaloa		Mexico		$	4,580
Total						$	785,278

Schedule of changes in asset retirement obligations

Changes in the Company’s asset retirement obligations for the nine months ended September 30, 2012 and year ended December 31, 2011 are as follows (in thousands):

		Nine Months Ended			Year Ended
		September 30,			December 31,
		2012			2011
Asset retirement obligation liability- opening balance		$	6,253		$	6,153
Settlements		(24		)	(82		)
Accretion of liability		342			524
Adjustment reflecting updated estimates		(79		)	(342		)
Asset retirement obligation liability - ending balance		$	6,492		$	6,253

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Tabular disclosure of mineral properties held by the entity.

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- Definition

Tabular disclosure of the changes in carrying amount of a liability for asset retirement obligations, for changes such as new obligations, changes in estimates of existing obligations, spending on existing obligations, property dispositions, and foreign currency translation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 410

-SubTopic 30

-Section 50

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13201-110859

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