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Mining Images. Strip Mining. Mountain top removal. http://elmhurst.edu/~chm/CHM110/Topic4.html. Cyanide leaching field. Cyanide tailings pond. Red sludge – bauxite ore to alumina pH = 13, toxic metals. Subsistence gold mining. Mercury - neurotoxin. In-situ leaching.
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Subsistence gold mining Mercury - neurotoxin
In-situ leaching Most uranium mining, some “rare earths”
Acid Mine Drainage 2FeS2 (pyrite) + 7O2 + 2H2O 2Fe+2 + 4 SO4-2 + 4H+
Sources • http://www.pollutionissues.com/Li-Na/Mining.html • http://www.dellby.com/summer2004/summer2004.html • http://www.sciencedaily.com/releases/2009/02/090209094555.htm • http://www.boston.com/news/world/europe/articles/2010/10/06/toxic_sludge_from_plant_floods_hungary_towns • http://www.dmu.dk/en/arctic/mines/tanzania/ • http://www.thejakartapost.com/news/2009/01/12/mercury-gold-mining-a-third-world-toxic-threat.html • http://patagonia-under-siege.blogspot.com/2007/11/kinross-gold-owner-of-espolon-claim.html • http://www.rageedm.com/wordpress/?page_id=46 (giant Wetico)