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- On the diagenetic formation of ores in sedimentary beds, with special reference to Kamoto, Shaba, Zaïre
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On the diagenetic formation of ores in sedimentary beds, with special reference to Kamoto, Shaba, Zaïre
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Abstract
Based on observations pertaining to the stratiform copper-cobalt deposit at Kamoto, Zaire, an analysis is presented of the various ways in which metal may be brought to and fixed into sedimentary beds during sedimentation and diagenesis.
Petrological criteria are shown to exist by which the time of metal fixation may be established relative to pyrite growth and other diagenetic events. It is concluded that the concepts of syngenetic and epigenetic deposition are quite inadequate to describe the phenomena responsible for metal fixation.
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A propos de : Paul Bartholomé
Laboratoire de Géologie appliquée, Université de Liège, Belgium.