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MINERAL PROPERTY INTERESTS AND ASSET RETIREMENT OBLIGATIONS (Tables)

6 Months Ended

Jun. 30, 2012

MINERAL PROPERTY INTERESTS AND ASSET RETIREMENT OBLIGATIONS

Summary of mineral property interests

Name of Property/Complex		State/Province		Country		Carrying Value
Tonkin Complex		Nevada		United States		$	52,430
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		$	22,009
Los Azules Copper Project		San Juan		Argentina		$	486,862
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		$	4,266
Total						$	843,764

Schedule of changes in asset retirement obligations

		Six Months Ended			Year Ended
		June 30,			December 31,
		2012			2011
Asset retirement obligation liability- opening balance		$	6,253		$	6,153
Settlements		(14		)	(82		)
Accretion of liability		232			524
Adjustment reflecting updated estimates		147			(342		)
Asset retirement obligation liability - ending balance		$	6,618		$	6,253

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Tabular disclosure of mineral properties held by the entity.

+ References

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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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