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Surface mining is a category of mining in which soil and rock overlying the mineral are removed. It includes strip mining, open-pit mining and mountaintop removal mining.
One example in Latin America is Cerrejon, a coal mine which with estimated resources of 1.961Mt coal that has several active pits: Patilla, Tabaco, La Puente, Oreganal, Tajo 100, and Comuneros. The mine's production, which is mined through open-pit methods, is exported through Puerto Bolívar. The mine is operated by Carbones del Cerrejón, a JV between Anglo American, Xstrata Coal and BHP Billiton.
In recent months, Silver Bull Resources said it is exploring an option to do surface mining to help lift the economics of its Sierra Mojada project in Mexico. The project boasts one of the country's largest undeveloped silver and zinc resources with high grade zones, but the 2013 preliminary economic assessment (PEA) needs an overhaul for the project to make the grade in the current price environment.
This are the latest BNamericas´ news, companies analysis and projects related to surface mining.