Environmental And Mine Closure Obligations (Tables)
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Jun. 30, 2012
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Summary Of Mine Closure Obligations |
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Asset Retirement Obligation Disclosure |
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- Definition
The entire disclosure for an asset retirement obligation and the associated long-lived asset. An asset retirement obligation is a legal obligation associated with the disposal or retirement from service of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Tabular disclosure of environmental loss contingencies by individual site. Does not include loss contingencies that are not environmental in nature. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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