Copper Losses as Fine Particles in Chilean Porphvry Copper Ores
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Pincheira, M. ; Kelm, U. ; Helle, S. ; Alvarez, J. (1998). Copper Losses as Fine Particles in Chilean Porphvry Copper Ores.
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Pincheira, M. ; Kelm, U. ; Helle, S. ; Alvarez, J. (1998). Copper Losses as Fine Particles in Chilean Porphvry Copper Ores.
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SpreadSheed (CSV)
Organization: Society for Mining, Metallurgy & Exploration
Pages: 8
Publication Date:
Jan 1, 1998
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Abstract
Abstract
| The principal geological and mineralogical characteristics of Chilean porphyry copper deposits are described. Elevated contents of fine grained ore and gangue material may cause copper losses and pose problems or render useless the flotation process. Examples of chalcopyrite and bornite size distributions are given. The state of the art of mineralogical and mineral chemical characterization in Chile is evaluated permitting analyses to lm and nm level by lacking the regular use of direct surface analysis. |
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