cyanide leaching field |
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| navigate by keyword : copper sulfide deposit leaching primary biological chemical extraction mining sulfolix mineral landscape sunset sun sunrise dawn heap stack pile openpit open cast pit industry industrial natural resources chile big latin america american south clouds overcast gravel operations production panoramic abra atacama desert americas color day people outdoors photograph sulfides cyanide field |
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| Copper leaching from primary sulfides, biological and chemical extraction of copper in a copper mine in Chile |
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