Goldcorp, Teck Combine El Morro and Relincho Projects

Goldcorp and Teck Resources have agreed to combine their respective El Morro and Relincho projects in the Atacama region of Chile into a 50/50 joint venture that they have given the interim name of “Project Corridor.” El Morro and Relincho are separated by a distance of about 40 km. Based on the results of a preliminary economic assessment (PEA), the companies plan to construct a conveyor to transport ore from El Morro to a single-line mill at Relincho.

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Hecla Plans Renewal of Mining at San Sebastian, Durango, Mexico

Hecla Mining announced in mid-September that it expects to begin production by the end of 2015 at its San Sebastian project in Durango state, Mexico. The San Sebastian property is located in the heart of the Mexican silver belt and contains a series of precious and base metal-bearing epithermal veins. Hecla mined the Francine vein from 2001 to 2005, producing 545,476 short tons (st) of ore containing 177,541 oz of gold and 11.6 million oz of silver. Grades averaged 0.32 oz/st gold and 22.5 oz/st silver, making it one of the highest-grade producers in Mexico at the time.

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Timmins Gold Testing UG Mining at San Francisco

Timmins Gold has begun drifting into underground veins parallel to the south wall of its San Francisco open-pit mine in north-central Sonora, Mexico. The drift is part of a pilot program to test mining and processing of underground ore in preparation for full-scale underground mining.

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Metminco Considering UG Mining at Los Calatos

Metminco Ltd. reported the results of a new mining study of its Los Calatos copper project in southern Peru. The study, completed by Runge Pincock Minarco, considers a 6-million-mt/y underground mining operation using a sublevel caving mining method. Pre-production capital expenditure is estimated at $650 million, including contingencies of $111 million. Production would average 45,000 mt/y of copper in concentrate over a mine life of 17 years. Production would peak at 56,800 mt/y of copper in concentrate.

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