 | | Journal (article/letter/editorial) | | com/locate/precamres The Choco 10 gold deposit (El Callao, Bolivar State, Venezuela): Petrography, geochemistry and U–Pb...June 2014 Available online 7 July 2014 Keywords: El Callao Choco 10 gold deposit Petrography Hydrothermal...Shield a b s t r a c t Located in the El Callao Mining District (Bolivar State), Choco 10 is one of the...the most important gold deposits in Venezuela. The deposit occurs in the greenstone belt of the Pastora...composed of two different formations. The lower El Callao Formation is composed of a Metabasalt Unit, mostly |  | Voute, F., Hagemann, S. G., Evans, N. J., Villanes, C. (2019) Sulfur isotopes, trace element, and textural analyses of pyrite, arsenopyrite and base metal sulfides associated with gold mineralization in the Pataz-Parcoy district, Peru: implication for paragenesis, fluid source, and gold deposition mechanisms. Mineralium Deposita, 54 (7) 1077-1100 doi:10.1007/s00126-018-0857-6 | Journal (article/letter/editorial) | | associated with gold mineralization in the Pataz-Parcoy district, Peru: implication for paragenesis, fluid source...Nature 2019 Abstract In the Pataz-Parcoy district, current mining activity is focused on the mesothermal...a complex paragenesis of pyrite, arsenopyrite, galena, sphalerite, chalcopyrite, and gold. Gold occurs...mineralization processes occurring in the Pataz-Parcoy district. Contrasting with the classical two-stage ore...sequence previously proposed for the Pataz-Parcoy district, we suggest a revised paragenetic sequence, i |  | | Report (volume) | | labyrinth on summit platform of Cerro Roraima, Venezuela. The pervasively cross stratified quartzose of...Docs. no. : 119.3:2124 1. Geology Venezuela. 2. Minerals Venezuela. 3. Guayana Shield. I. Sidder, Gary...Guayana Shield, Estado Bolivar and Estado Amazonas, Venezuela By Jeffrey C. Wynn, Gary B. Sidder, Floyd Gray...Geologic Maps of the Bochinche Mining District, Estado Bolivar, Venezuela By Jeffrey C. Wynn, Anne E. McCafferty...Exploration Geofisica en el Area de Bochinchito, Estado Bolivar, Venezuela (Geophysical Exploration in |  | | Report (issue) | | -Soviet research on mineral deposits in the Noril'sk district is underway. Seventh Annual V.E. McKelvey Forum...represents an important center for the United States mining industry. Such an environment should enhance the...either completed or in progress in Canada, Mexico, Venezuela, Ecuador, Bolivia, Peru, Chile, Argentina, Saudi...North Amethyst vein system and the Creede mining district, Colorado Nora K. Foley and Robert A. Ayuso...exploration Jack Parry, Senior Vice-President, Newmont Mining Corporation and Newmont Gold Criteria for investment |  | | Report (chapter) | | deposits (e.g. Climax, Butte, Henderson, Bingham, El Salvador), it amounts to 10 –20 wt% (5– 10 mol%)...in veins and hydrocarbons in fluid inclusions in mining districts such as the Carlin deposits (Nevada)...CO2, which, in turn, may lead to precipitation of galena, sphalerite, chalcopyrite, pyrite, and argentite...induced by faulting events in the El Callao mining district (Venezuela) was likely responsible for the...zoned base metal mineralization in the Morococha district, Peru. Economic Geology. Cathelineau, M., Boiron |
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