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Supergene (geology)
The descending meteoric waters oxidize the primary (hypogene) sulfide ore minerals and redistribute the metallic ore elements. Supergene enrichment occurs ...
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May 24, 1996 ... Bacteria as Mediators of Copper Sulfide Enrichment During Weathering. Richard H. Sillitoe*,; Robert L. Folk,; Nicolás Saric. R. H. Sillitoe, 27 ...
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Enrichment took place at and beneath the ground-water table under reduc- ing conditions and involved the progressive replacement of hypogene sulfides, ...
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Secondary Sulfide Enrichment at the Plesyumi Copper. Prospect, New ... A first stage of secondary sulfide enrichment evolved prior to deposition of Pliocene. (?) ...
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... of an orebody is made colorful due to the oxidation of sulfides to oxides and ... sulfides to give rise to a zone of secondary or supergene sulfide enrichment.
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Geologic history, hypogene features, and processes of secondary sulfide enrichment at the Plesyumi copper prospect, New Britain, Papua New Guinea ...
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Enrichment processes in oxidizing sulfide mine tailings: Lessons for supergene ore formation. Bernhard Dold Earth Science Department (BFSH2), University ...
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Jan 1, 2005 ... Enrichment, by factors of three or even more, generates chalcocite and other Cu- rich sulfides in proximity to the overlying water table but lower ...
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Hydrogen sulfide is selectively enriched from an acid gas (1) that comprises relatively large quantities of carbon dioxide using a configuration in which a portion ...
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These deposits, probably of Lower Tertiary age, had been affected by at least one episode of supergene sulfide enrichment prior to 12.6 m.y. B.P., and have ...
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