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COMMITMENTS AND CONTINGENCIES: (Details 3) | 12 Months Ended | 6 Months Ended | 0 Months Ended | 3 Months Ended | 12 Months Ended | 6 Months Ended
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Dec. 31, 1997 | Jun. 30, 2013 Tia Maria Peruvian operations USD ($) T | Feb. 08, 2013 Toquepala Concentrator Expansion Peruvian operations USD ($) item | Feb. 08, 2013 Toquepala Concentrator Expansion Peruvian operations PEN | Jun. 30, 2013 Toquepala Concentrator Expansion Peruvian operations USD ($) | Jun. 30, 2013 Toquepala Concentrator Expansion Peruvian operations PEN | Dec. 31, 2005 MGE item | Jun. 30, 2013 MGE Mexican Operations USD ($) item
Other commitments: |  |  |  |  |  |  |  |
Total budget for the project |  | $ 1,000,000,000 |  |  |  |  |  |
Estimated annual production of copper cathodes (in tons) |  | 120,000 |  |  |  |  |  |
Total spending for the project |  | 500,100,000 |  |  |  |  |  |
Equipment reassigned to other operations, carrying value |  | 208,700,000 |  |  |  |  |  |
Term of power purchase agreement related to sale of power plant | 20 years |  |  |  |  |  |  |
Number of provinces for which final agreement reached |  |  | 1 | 1 |  |  |  |
Number of provinces neighboring the Toquepala unit |  |  | 3 | 3 |  |  |  |
Amount committed to funding for development projects in the Candarave province |  |  | 100,000,000 | 255,000,000 | 17,000,000 | 45,000,000 |  |
Number of power plants |  |  |  |  |  |  | 2 | 2
Estimated monthly capacity charge of power under power purchase agreement |  |  |  |  |  |  |  | $ 4,300,000

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- Definition The total capital expenditure related to mining projects. + References No definition available. + Details
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- 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 number of provinces neighboring the Toquepala unit. + 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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