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Costmine Team

Mission Impossible: Truly independent mine cost analysis?

Reliable mining investment decisions require more than operator-reported forecasts. New analysis from Costmine finds OPEX estimates in feasibility studies lag independent benchmarks by 39% on average, with CAPEX variance averaging 26% across projects in Canada, Chile, the US, Mexico, Australia, and Pakistan.

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The Largest Copper Porphyry Resources

Copper porphyry deposits are geological formations renowned for their abundant copper and long mine lives. Here are 15 of the largest copper porphyry resources in the world.

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