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COMMITMENTS AND CONTINGENCIES: (Details 3) (USD $) |  | 2 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Dec. 31, 1997 Y | Jan. 31, 2005 Minera Mexico, S.A. de C.V. (the "Transaction") lawsuit | Dec. 31, 2012 Tia Maria T | Dec. 31, 2012 Tia Maria Peruvian operations
Litigation matter |  |  |  |
Number of purported class action derivative lawsuits filed |  | 3 |  |
Other commitments: |  |  |  |
Estimated annual production of copper cathodes (in tons) |  |  | 120,000 |
Term of power purchase agreement related to sale of power plant (in years) | 20 |  |  |
Total budget for the project |  |  |  | $ 1,000,000,000
Total spending for the project |  |  |  | 480,700,000
Equipment reassigned to other operations, carrying value |  |  |  | $ 176,700,000

X
- Definition The total capital expenditure related to mining projects. + References No definition available. + Details
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X
- Definition Represents the total capital expenditure budget for the development of the project. It includes: equipment, construction, labor and materials. + References No definition available. + Details
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- Details
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- Definition Represents the estimated annual production of copper cathodes obtained through leaching process. + References No definition available. + Details
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- Definition Represents the number of purported class action derivative lawsuits filed against the proposed merger. + References No definition available. + Details
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- Definition Represents the original term (in years) of the power purchase agreement completed in connection with the sale of a power plant to an independent power company. + References No definition available. + Details
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- Details
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