Resolution completes deepest shaft in America

On November 18, Resolution Copper Mining reached a milestone at its Resolution Copper Project in Arizona, US, with the completion of the 8.5m shaft 10. The final depth of 2,116.2m makes shaft 10 the deepest in America. Construction on the shaft began in 2008

Resolution Copper mining, which is 55% owned by Rio Tinto and 45% by BHP Billiton, has used the project to gather the geotechnical information needed to design a mine that is expected to provide 25%

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