| Chauvet, Alain, Bailly, Laurent, AndrĂ©, Anne-Sylvie, MoniĂ©, Patrick, Cassard, Daniel, Tajada, Fernando Llosa, Vargas, Juan Rosas, Tuduri, Johann (2006) Internal vein texture and vein evolution of the epithermal Shila-Paula district, southern Peru. Mineralium Deposita, 41 (4) 387-410 doi:10.1007/s00126-006-0068-4 | Journal (article/letter/editorial) | vein evolution of the epithermal Shila-Paula district, southern Peru Received: 28 July 2005 / Accepted:...Springer-Verlag 2006 Abstract The epithermal Shila-Paula AuâAg district is characterized by numerous veins hosted...volcanic rocks of the Western Cordillera (southern Peru). Field studies of the ore bodies reveal a systematic...vein-filling stages are identified. stage 1 is a quartzâ adulariaâpyriteâgalenaâsphaleriteâchalcopyriteâelectrumâ...C., Luis N. Saenz 447-449, Jesus Maria, Lima 21, Peru J. Tuduri ISTO, CNRS-UMR 6113, University of OrlĂ©ans | | | Journal (article/letter/editorial) | Indonesia) and Nazareño (10 Ma; Cordillera Shila, southern Peru) were studied to investigate processes related...West Java, Indonesia, and Nazareño, ShilaPaula district, southern PerĂș, in order to examine the spatial...200 to 250 m. The veins contain mainly quartz-adularia-Mn silicates-calcite assemblages. The mineralizing...40 39 al., 1999). The Ar/ Ar ages obtained on adularia crystals from the Ciguha and Ciurug veins (2.05...system (after Basuki et al., 1994). of quartz-adularia and manganese silicates, mainly rhodonite (MnSiO3) | | | Journal (article/letter/editorial) | INTERMEDIATE-SULFIDATION PALLANCATA DEPOSIT, AYACUCHO, PERU Jorge E. GAMARRA-URRUNAGA§ International Minerals...to later open space infill resembles the Shila Paula district (Chauvet et al. 2006). Fluid inclusion petrography...pearceiteâpolybasite, acanthite, uytenbogaardtite, Peru Introduction The Pallancata vein occurs in the...southeast of Lima in the district of Coronel Castañeda, Parinacochas province, Ayacucho department, at...production. It is the second largest silver mine in Peru and produced 263 t of Ag in 2011 (8.77 Moz; The | | | Journal (article/letter/editorial) | of wrench shear zones in the case of Shila gold mines (south Peru); (ii) remobilisation of metal in volcanic-hosted...and fibrous textures from the Hercynian mining district of Tras-os-Montes, Galicia, Spain. Red lines illustrate...Regional-Scale Structures within Volcanic Domains The Shila-Paula district is one of the numerous Au/Ag low sulfidation...sulfidation epithermal one of Southern Peru. It is characterised by numerous veins hosted by the tertiary subaerial...identified [47]. Stage 1 consists of a quartzâadulariaâpyriteâgalena âsphaleriteâchalcopyriteâelectrumâMn | | | Journal (article/letter/editorial) | ARTICLE The origin of AgâAuâSâSe minerals in adularia-sericite epithermal deposits: constraints from...Springer-Verlag 2012 Abstract The 7.1 Ma Broken Hills adularia-sericite AuâAg deposit is currently the only producing...in the supergene environment. The Broken Hills adularia-sericite epithermal AuâAg deposit in the Hauraki...predominantly epithermal, AuâAg deposits in USA, Peru, Russia, Indonesia, and New Zealand (Barton et al...Hauraki Goldfield contains approximately 50 AuâAg adularia-sericite type epithermal deposits and a few porphyrycopper | | | Journal (article/letter/editorial) | downward disappearance of microcrystalline quartz and adularia (Brathwaite and Faure, 2002; Brathwaite et al...The epithermal Au-Ag deposits in the northern province have ages from 14.1 to 10 Ma and formed in an...sequence of initial platy calcite, quartz, pyrite and adularia, main stage quartz and sulfides ± electrum, and...McKay, 1989). Based on 40Ar/39Ar plateau dates of adularia from a quartz vein, the preferred age for the...primarily of quartz and lesser chalcedony, with minor adularia, carbonate, inesite (Ca2Mn7Si10 O28 (OH)2âą5(H2O)) | | | Journal (article/letter/editorial) | drill access between each level (Fig. 2b). Vein adularia was dated radiometrically by the K-Ar method at...(Fig. 2a, b). Quartz and, in lesser abundance, adularia, calcite, johannsenite, and electrum, formed in...D-3. The substage L-III-e band consists only of adularia. Original sample names: D-2 = Sm900404A-2, D-3...Cockade Platy Adularia ⥠Au-Ag minerals i Inferred boiling K-Ar ages of adularia (Ma) 1.2 ± 0.7...sequence of adularia and Au-Ag minerals, fluid inclusion characteristics, and K-Ar ages of adularia of a crustiform | | | Journal (article/letter/editorial) | The most voluminous of these stages were quartz-adularia veins with well-developed colloform and crustiform...detailed structural analyses of epithermal quartz-adularia veins (e.g., Berger et al., 2003; Chauvet et al...exploited shallow epithermal AuAgâbearing quartz-adularia veins at the southeastern end of the Coromandel...with 40Ar/39Ar dates for replacement and vein adularia of 6.9 Ma (Mauk and Hall, 2004). The Golden Cross...core of the deposit contains quartz with lesser adularia that is variably overprinted by illite. Illite | | | Journal (article/letter/editorial) | Uytenbogaardtite, Ag3AuS2, in the Bullfrog mining district, Nevada. Canadian Mineralogist, 31, 89â98. Chauvet...vein evolution of the epithermal Shila-Paula district, southern Peru. Mineralium Deposita, 41, 387â410...C. (2013) The origin of Ag-Au-S-Se minerals in adularia-sericite epithermal deposits: constraints from...epithermal deposits at Pongkor, Indonesia, and Nazareno, Peru. Economic Geology, 97, 561â571. Gurevich, V.M., | | | Journal (article/letter/editorial) | epithermal gold mineralization in the RosarioâBunawan district, East Mindanao Ridge, Philippines Jochen Kolb...Springer-Verlag 2009 Abstract The RosarioâBunawan district is situated about 200 km north of Davao City,...Epithermal gold mineralization in the RosarioâBunawan district and the Co-O mine is confined to narrow (0.2â4...auriferous veins. The auriferous RosarioâBunawan district is situated between two splays of the Philippine...two-stage gold mineralization in the RosarioâBunawan district. Keywords Epithermal gold veins . Low-sulfidation | | Tuduri, Johann, Chauvet, Alain, Barbanson, Luc, Bourdier, Jean-Louis, Labriki, Mohamed, Ennaciri, Aomar, Badra, Lakhlifi, Dubois, Michel, Ennaciri-Leloix, Christelle, Sizaret, Stanislas, Maacha, Lhou (2018) The Jbel Saghro Au(âAg, Cu) and AgâHg Metallogenetic Province: Product of a Long-Lived Ediacaran Tectono-Magmatic Evolution in the Moroccan Anti-Atlas. Minerals, 8 (12). 592pp. doi:10.3390/min8120592 | Journal (article/letter/editorial) | Jbel Saghro Au(âAg, Cu) and AgâHg Metallogenetic Province: Product of a Long-Lived Ediacaran Tectono-Magmatic...as part of a long-lived silicic large igneous province. The area comprises two lithostructural complexes...Keywords: structural control; silicic large igneous province; ignimbrite flare-ups; ash-flow caldera; epithermal;...of Triassic when the Central Atlantic Magmatic Province (CAMP) was emplaced [9â11]. According to Ernst...geodynamical environment at the origin of such a silicic province remain insufficiently understood, although Moume | | | Conference Proceedings (Volume) | area of the Kristineberg VHMS deposit, Skellefte district, Sweden .......................................A. Massive Zn-Cu-Pb deposits in the RĂžros ore district, Norway: setting and formation ................ The Jörn granitoid complex, Skellefte mining district, Sweden: petrography, lithogeochemistry and emplacement...for VHMS deposits, Kristineberg area, Skellefte District, Sweden ........................................of the Madneuli polymetallic deposit, Bolnisi district, Georgia: implications for the host rock depositional |
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