a Beautiful Mine

Author: admin

  • Solution Mining

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    “In-situ leaching (ISL), also called in-situ recovery (ISR) or solution mining, is a mining process used to recover minerals such as copper and uranium through boreholes drilled into a deposit, in situ.” Wikipedia entry on Solution Mining [embedyt]http://www.youtube.com/watch?v=QZsJnJBRmFw[/embedyt] [embedyt]http://www.youtube.com/watch?v=Lndabgi3y20[/embedyt]

  • Surface Mining

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    Surface mining is done by removing (stripping) surface vegetation, dirt, and if necessary, layers of bedrock in order to reach buried ore deposits. Techniques of surface mining include; Open-pit mining which consists of recovery of materials from an open pit in the ground, quarrying or gathering building materials from an open pit mine, strip mining…

  • Underground Mining

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    “Sub-surface mining consists of digging tunnels or shafts into the earth to reach buried ore deposits. Ore, for processing, and waste rock, for disposal, are brought to the surface through the tunnels and shafts. Sub-surface mining can be classified by the type of access shafts used, the extraction method or the technique used to reach…

  • Berkeley Pit (Butte, Montana USA))

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    The Berkeley Pit is a former open pit copper mine located in Butte, Montana USA.  The pit began to fill with water after the mine was closed in 1982 and is currently about 900 feet deep.  The water is very acidic (pH of around 2.5) due to dissolved sulfur compounds from the surrounding rock.  The…