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Showing: 1 to 10 of 45 matches for "identification of hypogene chalcocite"  Page   1   2   3   4   5 TITLE Exploration Geological And Hydrometallurgical Applications Of Cu Isotope Fractionation: Examples From Porphyry Copper Deposits In The Southwestern US  SUMMARY ... However, the identification of minerals providing the bulk ... ore type is dominated by covellite, not chalcocite. The four hypogene samples possess pyrite (FeS 2 ... AUTHOR Mathur, R. PUBLISHED 2010 TITLE Recent Progress In Studies Of Supergene Enrichment  SUMMARY ... Supergene enrichment includes all of the processes by which the primary or hypogene ores, or protores, are enriched either by the removal of valueless material ... AUTHOR Emmons, W. H. PUBLISHED 1933 TITLE Mining Geology - Ore Deposition and Enrichment at the Magma Mine, Superior, Arizona (with Discussion)  SUMMARY ... This chalcocite is important and persists to the deepest workings attained. It is concluded that the deep-level chalcocite is hypogene. The mine is now 2250 ... AUTHOR Short, M.N. ; Ettlinger, I.A. PUBLISHED 1927 TITLE Exploration of Porphyry Copper Lithocaps  SUMMARY ... However, the identification by XRD of dickite with ... downwards to propylitic alteration lacking chalcocite enrichment and hypogene Cu mineralization. ... PUBLISHED 1995 TITLE Copper Losses as Fine Particles in Chilean Porphvry Copper Ores  SUMMARY ... electron microprobe analysis) of hypogene sulphides of ... In chalcocite, levels of Co vary between 3 ... ray diffraction for fase identification and semiquantification ... AUTHOR Pincheira, M. ; Kelm, U. ; Helle, S. ; Alvarez, J. PUBLISHED 1998 TITLE Exploration of Porphyry Copper Lithocaps  SUMMARY ... However, the identification by XRD of dickite with ... downwards to propylitic alteration lacking chalcocite enrichment and hypogene Cu mineralization. ... PUBLISHED 1995 TITLE Papers - Newly Recognized Features of Mineral Paragenesis at Leadville, Colorado (T.P. 1105)  SUMMARY ... hessite in appearance that its identification is possible ... It is the only hypogene argentite that t,he ... nrith cerussite or with secondary chalcocite and covellite ... AUTHOR Chapman, Edward P. PUBLISHED 1941 TITLE Newly Recognized Features Of Mineral Paragenesis At Leadville, Colorado  SUMMARY ... the more common hessite in appearance that its identification is possible ... It is the only hypogene argentite that the writer has found ... with secondary chalcocite ... AUTHOR Chapman, Edward P. PUBLISHED 1939 TITLE Papers - Distribution of Silver in Base-metal Ores (With Discussion)  SUMMARY ... Supposedly uncontaminated chalcocite has been found by the author ... minerals that are definitely hypogene. ... polyhasitc, etc.) capable of identification under the ... AUTHOR Warren, Harry V. PUBLISHED 1935 TITLE On the Mineral Composition of the Mount Oxide Copper Ore, Queensland  SUMMARY ... with the same bluish surface (as areas of tarnish on chalcocite), but when ... Without microscopic identification it perhaps is unsafe to conclude that the mineral ... PUBLISHED 1940 Showing: 1 to 10 of 45 matches for "identification of hypogene chalcocite"  Page   1   2   3   4   5 Search Again