 | | Journal (article/letter/editorial) | | PRODUCTS OF SUPERGENE OXIDATION, COPIAPo MINING DISTRICT, NORTHERN CHILE R. H. Snr.rroE, Deportnlentof...ABSTRACT In numerous deposits of the Copiap6 mining district of northern Chile copper and copper-iron sulfides...converted to normal covellite; hyrogene bornite to "anomalous bornite", idaite, chalcopyrite, and normal covellite;...distinct from synthetic Cu; s,Ire,Sor-. "Anomalous bornite', in these ores possessesat least 2 r'eight percent...percent more sulfur than optically-normal, hypogene bornite. These anal],tical data necessitate the revision |  | | Journal (article/letter/editorial) | | Frenzel(1959)as a supergenesulfideformed by the alterationof bornite in the Ida mine. Southwest Africa, stimulatedthe...1965), Norway (Krause,1965),India (Rao, 1965),Austria (Tufar, 1967),Fiji (Frenzeland Ottemann,1967),...for idaitethroughthe oxidation A supergene of bornite by chloride-richground waterin acid con' ditions...TakeuchiandNambu(1961),Grafenauer that the alterationof bornite Krause(1965)suggested to idaite representsan intermediatestagein...formation of idaite through the acsolutionsin tion on bornite of ferric sulfate-bearing the oxidizedzone above |  | Large, D. J., MacQuaker, J., Vaughan, D. J., Sawlowicz, Z., Gize, A. P. (1995) Evidence for low-temperature alteration of sulfides in the Kupferschiefer copper deposits of southwestern Poland. Economic Geology, 90 (8) 2143-2155 doi:10.2113/gsecongeo.90.8.2143 | Journal (article/letter/editorial) | | 1989))combined withsulfurisotope evidence forbaceoeite-bornite-ehaleopyrite-galena-sphalerite (frommostoxi- palski...mine are characteristic of the shallower water Lower (Oszezepalski, 1989).Here, the basal et al.,1993)...andorganic-rich by thin organicandday laminae ehaleoeite,bornite,ehaleopyrite, galena,and sphalerite) mentedunit...GeologicSetting sponds dosely to the boundary between the lower elastic mud Fiftysamples werecollected fromspatially... 2145 Poznafi ß Mining district Poland MajorFaults LubinCopper District Rudna •e/aw 40km FIG |  | | Journal (article/letter/editorial) | | Experimental ExsolutionTextures in the System Bornite-Chalcopyrite: Genetic ImplicationsConcerning Natural...interpretation of ore-mineral assemblages, such as bornite-chalcopyrite (bn-cpy) intergrowths, should be based...present investigation, the exsolution textures of bornite-chalcopyrite (bn-cpy) intergrow~hs were considered...lamellae develop along several directions at the lower temperatures, while coarsened forms are dominant... Experimental Exsolution Textures in the System Bornite-Chalcopyrite EXPERIMENTAL 4OO T ,, (oc) ~.~ |  | | Book | | heldatBled/Yugoslavia 3-7, 1977, held at Leoben/ Austria 5-10,1981, held at Berchtesgaden/Bavaria, FRG ...Mostler The Succession of Ore Mineralization of the Lower Austroalpine Innsbruck Quartzphyllite (With 2 Figures)...Mineralisation of the "Paleozoic of Graz" (Styria, Austria) (With 3 Figures). . . . . . . . . . . . . . ....Pennian and Scythian Series of the Eastern Alps, Austria, and Its Petrogenetic Significance (With 1 Figure)...there were four independent states in this area: Austria and Bavaria and the small church states of Salzburg |  | Amstutz, G. C., Goresy, A. El, Frenzel, G., Kluth, C., Moh, G., Wauschkuhn, A., Zimmermann, R.A. - Eds. (1982) Ore Genesis. Springer Berlin, Heidelberg. doi:10.1007/978-3-642-68344-2 | Book | | Alteration and Mineralization in the Tri-State District of Missouri, Kansas, and Oklahoma, U.S.A. R.D...the Myrthengraben Gypsum Deposit, Semmering, Lower Austria W. Tufar (With 13 Figures) . . . . . . . . ...Emphasis on the Bavarian Pfahl of the Altrandsberg District) H.-W. Biiltemann and R. Hofmann (With 9 Figures)...Hydrothermal Ore Formation, Ticapampa-Aija Mining District, Cordillera Negra, Department of Ancash, Peru...sulphides was observed in the grey sandstone of Lower Permian, SW Poland. The process is connected with |  | | Book | | Chapter 1 Introductory Concepts Chapter 4 Mantle and Lower Crust Derivatives Chapter 5 Replacement Patterns...hydrothermal veins. (ii) The granite intrusion mobilized lower crustmantle material due either to deep seated granitization...shales, hornfels and granites of the Harzburg district, showed that the amount of boron decreases from...segregation also takes place under considerably lower temperature conditions. Augustithis has described...result of lateral leaching and mobilization by lower temperature conditions of elements from basalts |  | | Book (volume) | | however, was to detern1ine which papers were of a lower order of merit than the others. This developed into...Werner, Ore Mineralization from the Eastern Alps, Austria, as Strata-Bound-Syn genetic Formations of Pre-Alpine...Mineralization: an Example from the Iwami Mining District, Shimane, Japan ..... ............... ..........more readily oxidized than is :i2 5, and (3) the lower the temperature at which a reaction involving these...surface, undergoes reactions that will raise (or even lower) its o a •s. Since the 8:14 5 of sea water appears |
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