 | | 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...collected from surface exposures and underground mine levels. The mineralogy was determined from polished...Oligocene to Quaternary rhyolite and calc-alkaline andesite complex that is also composed of intercalations...observed in the mineralized bodies cut by underground mine galleries (500, 550, 600, 650, and 690 m.a.s.l.) |  | 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...C., Luis N. Saenz 447-449, Jesus Maria, Lima 21, Peru J. Tuduri ISTO, CNRS-UMR 6113, University of OrlĂ©ans...Epithermal gold . Breccia . Structural control . Peru Introduction Epithermal deposits often occur in |  | Carrino, T. A., Crosta, A. P., Toledo, C. L. B., Silva, A. M., Silva, J. L. (2015) Geology and Hydrothermal Alteration of the Chapi Chiara Prospect and Nearby Targets, Southern Peru, Using ASTER Data and Reflectance Spectroscopy. Economic Geology, 110 (1) 73-90 doi:10.2113/econgeo.110.1.73 | Journal (article/letter/editorial) | | Chapi Chiara Prospect and Nearby Targets, Southern Peru, Using ASTER Data and Reflectance Spectroscopy Thais...70910-900 BrasĂlia â DF, Brazil Abstract Southern Peru contains several small- and medium-sized epithermal...analysis using the fuzzy logic technique. Introduction Peru is the main gold-producing country in Latin America...2009; Fig. 1A). Conversely, the southern region of Peru has been known for its Au-Ag (± base metals) epithermal...1995), Selene (~14 Ma, Acosta et al., 2008), Shila, Paula (~11â10 Ma, Chauvet et al., 2006), and Arcata |  | | 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...of the system. The core is still undisclosed by mining works, but the available geochemical evidence (logAg/log...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 |  | Carrino, Thais Andressa, CrĂłsta, Alvaro Penteado, Toledo, Catarina LabourĂ© Bemfica, Silva, Adalene Moreira (2015) Unveiling the hydrothermal mineralogy of the Chapi Chiara gold prospect, Peru, through reflectance spectroscopy, geochemical and petrographic data. Ore Geology Reviews, 64. 299-315 doi:10.1016/j.oregeorev.2014.07.012 | Journal (article/letter/editorial) | | hydrothermal mineralogy of the Chapi Chiara gold prospect, Peru, through reflectance spectroscopy, geochemical and...hydrothermal mineralogy of the Chapi Chiara gold prospect, Peru, through reïŹectance spectroscopy, geochemical and...hydrothermal mineralogy of the Chapi Chiara gold prospect, Peru, through reflectance spectroscopy, geochemical and...hydrothermal mineralogy of the Chapi Chiara gold prospect, Peru, through T reflectance spectroscopy, geochemical...and petrographic data RI P ABSTRACT Southern Peru contains important epithermal Au-Ag (± base metals) |  | | Journal (article/letter/editorial) | | provinces that are characterized by bimodal rhyoliteâandesite volcanism, but in other epithermal provinces worldwide...predominantly epithermal, AuâAg deposits in USA, Peru, Russia, Indonesia, and New Zealand (Barton et al...(Fig. 1; Skinner 1986). The igneous rocks include andesite and dacite lavas of the Coromandel Group, rhyolite...of the Whitianga Group, and basalt to basaltic andesite lavas of the Kerikeri Volcanics. The overall structural...has been recovered from deposits that occur in andesite and dacite of the Coromandel Group. Rhyolite-hosted |  | | Journal (article/letter/editorial) | | galenaspecimens from different ore depositsfrom 48 mining districtsin Chile are presentedhere (Fig. 1). The...strata-boundbodies (see Wellmer et al., 1983, for the El Toqui mine). PreviousWork on Pb Geochemistryin the Central...southern existingduringCretaceoustime. Importanthydro- Peru they founda nonradiogenic Pb fingerprintfor thermalzonesrelatedto...late Cenozoic lavas which was like that for the Arequipa massif.However, Barreiro and Clark (1984) tismare...trend of isotopiccomposition Table i lists the 48 mining districts sampled. Their isotopiccompositions aswell |  | | Journal (article/letter/editorial) | | discordantly by Upper Cretaceous to Tertiary basalt, andesite and tu associated with lesser marine and continental...Upper Jurassic±Lower Cretaceous basaltic andesite to andesite volcanic arc rocks of the IbanĂez Formation...Tarney 1984). The volcanics are bimodal. Basaltic andesite is more abundant in the west within the volcanic...abundant in the east where they are interbedded with andesite, is also more abundant in upper portions of the...et al. (1981) proposed that the basaltic andesite and andesite originated by partial melting of the tholeiitic |  | | Report (issue) | | and 3, respectively. Arituzar Mine Calichar Caftuelas Daniel Mine San Marcos Volcanclto Salar Centenario...Mucar Laguna Guacha|ayte Laguna Guayatayoc Baratoyoc Mine Grupo Cordoba Laguna Vilama Adriana Lari Los Bayos...Bayos Tropa Pete 3erta Prospect 3lanca Lila Mine Boratera de Antuco Celti Occurrence Coyaguaima Archibarca...Archibarca Archibarca AREA/ DISTRICT S S D S S c s 3 S S S D S S S S S S DISTRICT or SITE? 1000314 AR08059...Pozuelos Margarita San Mateo Mine Salar de Pucar Salar de Rio Grande Betina Mine Boratera Blanca Lila Coronel |  | | Journal (article/letter/editorial) | | in this environment. The world-class Martha Hill mine in the Hauraki goldfield of New Zealand (Figs. 1...state of structural information in the Martha Hill mine up to 1994, as presented by Cargill (1994), and...style towards the now-exposed deeper levels of the mine similar to the downward disappearance of microcrystalline...overseas. Regional and Local Geology The Martha Hill mine is part of the Hauraki goldfield on the Coromandel...Coromandel peninsula and location of the Martha Hill mine, modified after Skinner (1986), Brathwaite et al |  | Montoya-Lopera, Paula, Levresse, Gilles, Ferrari, Luca, Luca Rizzo, Andrea, Urquiza, Santiago, Mata, Luis (2020) Genesis of the telescoped Eocene silver and Oligocene gold San Dimas deposits, Sierra Madre Occidental, Mexico: Constraints from fluid inclusions, oxygen - deuterium and noble gases isotopes. Ore Geology Reviews, 120. 103427 doi:10.1016/j.oregeorev.2020.103427 | Journal (article/letter/editorial) | | inclusions, oxygen - deuterium and noble gases isotopes Paula Montoya-Lopera, Gilles Levresse, Luca Ferrari, Andrea...inclusions, oxygen deuterium and noble gases isotopes Paula Montoya-Lopera1, Gilles Levresse2, Luca Ferrari2...Tayoltita, Dgo., Mexico Abstract The San Dimas district is a world-class Ag/Au deposit, developed as a...proper classification. Keywords: San Dimas Ag-Au district, fluid inclusions, D-O stable isotope, noble gases...classification, including the classic San Dimas Au/Ag district, was proposed by Camprubi and Albinson (2007) |  | Rojas, Paula A., Barra, Fernando, Reich, Martin, Deditius, Artur, Simon, Adam, Uribe, Francisco, Romero, Rurik, Rojo, Mario (2018) A genetic link between magnetite mineralization and diorite intrusion at the El Romeral iron oxide-apatite deposit, northern Chile. Mineralium Deposita, 53 (7) 947-966 doi:10.1007/s00126-017-0777-x | Journal (article/letter/editorial) | | Romeral iron oxide-apatite deposit, northern Chile Paula A. Rojas 1 & Fernando Barra 2 & Martin Reich 2 &...ore body and by disseminated magnetite in the andesite host rock and in the Romeral diorite. The sulfur...compressive regime, which is represented in the district by the emplacement of the Punta de Piedra granite-granodiorite...material, which is available to authorized users. * Paula A. Rojas paurojas@ing.uchile.cl 1 2 Department...metasomatic replacement/leaching of volcanic (andesite) host rocks (Bookstrom 1977; Parak 1975; MĂ©nard |  | | Journal (article/letter/editorial) | | subsequently rotated. Regional Geology The Golden Cross mine exploited shallow epithermal AuAgâbearing quartz-adularia...Dacite (ca. 7.2 Ma), and the postore Whakamoehau Andesite (ca. 6.7â6.6 Ma; Brathwaite and Christie, 1996)...prior to eruption of the unaltered Whakamoehau Andesite (Keall et al., 1993; Wills, 2001). Eastward tilting...to as the Empire zone. The most recent phase of mining in this area concentrated on the Empire zone, located...open-cast mining methods from 1991 to mine closure in 1998. Combined historic and recent mining produced |  | Chinchilla, DarĂo, Ortega, Lorena, Piña, RubĂ©n, Merinero, RaĂșl, Moncada, Daniel, Bodnar, Robert J., Quesada, Cecilio, Valverde, Antonio, Lunar, Rosario (2016) The Patricia ZnâPbâAg epithermal ore deposit: An uncommon type of mineralization in northeastern Chile. Ore Geology Reviews, 73. 104-126 doi:10.1016/j.oregeorev.2015.10.026 | Journal (article/letter/editorial) | | (Sillitoe, 2010), and it further reappears in southern Peru (Los Chancas, Cotabambas, Antapaccay, and Ataspaca...1b). Geographically, it occurs in the TarapacĂĄ Province, I RegiĂłn, Chile, at latitude 19Ë81'S and longitude...carried out by Herencia Resources Plc over historical mine workings that date back to the nineteenth century...century. These historic workings focused on silver mining and consist of more than 1800 m of underground galleries;...Patricia ore deposit forms part of the Paguanta Mining Exploration Project and represents the only example |  | | 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,...Southern Philippines. Gold is produced from the Co-O mine, containing about 2,034,000 t of ore at 10.9 g/t...mineralization in the RosarioâBunawan district and the Co-O mine is confined to narrow (0.2â4 m) low-sulfidation...auriferous veins. The auriferous RosarioâBunawan district is situated between two splays of the Philippine |  | Montoya-Lopera, Paula, Ferrari, Luca, Levresse, Gilles, Abdullin, Fanis, Mata, Luis (2019) New insights into the geology and tectonics of the San Dimas mining district, Sierra Madre Occidental, Mexico. Ore Geology Reviews, 105. 273-294 doi:10.1016/j.oregeorev.2018.12.020 | Journal (article/letter/editorial) | | tectonics of the San Dimas mining district, Sierra Madre Occidental, Mexico Paula Montoya-Lopera, Luca Ferrari...the geology and tectonics of the San Dimas mining district, Sierra Madre Occidental, Mexico, Ore Geology...tectonics of the San Dimas mining district, Sierra Madre Occidental, Mexico Paula Montoya-Lopera1, Luca Ferrari1*...Corresponding author 1 Abstract The San Dimas district is a world-class silver-gold low-sulfidation epithermal...eastern part of the Gulf of California extensional province. Previous works assumed a single period of mineralization |  | Barra, Fernando, Reich, Martin, Selby, David, Rojas, Paula, Simon, Adam, Salazar, Eduardo, Palma, Gisella (2017) Unraveling the origin of the Andean IOCG clan: A Re-Os isotope approach. Ore Geology Reviews, 81. 62-78 doi:10.1016/j.oregeorev.2016.10.016 | Journal (article/letter/editorial) | | approach Fernando Barra, Martin Reich, David Selby, Paula Rojas, Adam Simon, Eduardo Salazar, Gisella Palma... Fernando, Reich, Martin, Selby, David, Rojas, Paula, Simon, Adam, Salazar, Eduardo, Palma, Gisella,... Fernando Barra1, Martin Reich1, David Selby2, Paula Rojas1, Adam Simon3, Eduardo 1 MA Salazar1, Gisella...from IOA to IOCG has not been reported at the district/deposit scale, the zonation from a magnetite-rich...(Maksaev and Zentilli, 2002). The central Andes IOCG province, located in the Coastal Cordillera of northern |  | Montoya-Lopera, Paula, Levresse, Gilles, Ferrari, Luca, Orozco-Esquivel, Teresa, HernĂĄndez-Quevedo, Gabriela, Abdullin, Fanis, Mata, Luis (2020) New geological, geochronological and geochemical characterization of the San Dimas mineral system: Evidence for a telescoped Eocene-Oligocene Ag/Au deposit in the Sierra Madre Occidental, Mexico. Ore Geology Reviews, 118. 103195 doi:10.1016/j.oregeorev.2019.103195 | Journal (article/letter/editorial) | | deposit in the Sierra Madre Occidental, Mexico Paula Montoya-Lopera, Gilles Levresse, Luca Ferrari, Teresa... 3 the Sierra Madre Occidental, Mexico. 4 5 Paula Montoya-Lopera1, Gilles Levresse1*, Luca Ferrari1...unam.mx 15 16 Abstract 17 18 The San Dimas district is a historical world class Ag/Au epithermal deposit...extensional setting. The formation of the San Dimas 44 district with its exceptionally rich Ag-Au mineralization...Mexico has a special place in the precious metals mining industry as it is presently 54 the largest silver |  | | Journal (article/letter/editorial) | | Candelaria-Punta del Cobre Iron Oxide Copper Gold district, Northern Chile Irene del Real, John F.H. Thompson...Candelaria-Punta del Cobre Iron Oxide Copper Gold district, Northern Chile, Ore Geology Reviews (2018), doi:...Candelaria-Punta del Cobre Iron Oxide Copper Gold district, Northern Chile Irene del Real (1), John F.H....University, Snee Hall, Ithaca NY, 14853, USA (2) Lundin Mining Corporation, 150 King Street, Toronto, ON, M5H1J9...Candelaria-Punta del Cobre district is the largest Iron-Oxide Cu and Au (IOCG) district in the Chilean IOCG |  | | Journal (issue) | | ........ ..... 483 W. E. Wilson The Total Wreck Mine, Pima County, Arizona ............ .. ........................ .... ..... 507 L. Presmyk The Flux Mine, Santa Cruz County, Arizona ............................... 531 W. E. Wilson & M. Hay The Carlota Mine, Gila County, Arizona ............................E. Wilson & E. Jones Fluorite from the Oatman District, Mohave County, Arizona ............. .... ........ 569 M. Hay & D. Morris The Bagdad Mine, Yavapai County, Arizona ............. .................. |  | Rajabpour, Shahrokh, Jiang, Shao-Yong, Lehmann, Bernd, Abedini, Ali, Gregory, Daniel D. (2018) Fluid inclusion and OâHâC isotopic constraints on the origin and evolution of ore-forming fluids of the Cenozoic volcanic-hosted Kuh-Pang copper deposit, Central Iran. Ore Geology Reviews, 94. 277-289 doi:10.1016/j.oregeorev.2018.02.003 | Journal (article/letter/editorial) | | Eocene-Oligocene volcanic units in the Markazi province of northwestern Iran, about 120 km SW of Tehran...is situated about 40 km ENE of Saveh, Markazi Province (Fig. 1a), and was discovered by National Iranian...scarcity of geochemical and petrographic data. Recent mining activity at the KuhPang Cu deposit created new...extends into the host rocks of rhyodacite and andesite. This zone also contains vuggy quartz, indicative...overlain by a series of more felsic volcanic ïŹows. Andesite with minor clinopyroxene and olivine is common |  | | Journal (article/letter/editorial) | | compositional evolution of iron oxides at Mina Justa (Peru): Implications for mushketovite and formation of...deposits related to andesitic magmatism (Khan Kandi district, NW Iran)âAli Abedini, Mansour Rezaei Azizi, and...brine and redbed-derived fluid: Schwarzwald mining district, SW-GermanyâBenjamin F. Walter, Jordan L. Jensen...volcanic-intrusive complex in the Zijinshan ore district, southeast China: Implications for different stages...country rocks in the Shangdan uranium mineralization district of North Qinling orogenic belt, ChinaâFeng Yuan |  | | Journal (issue) | | ................. 15 W. E. Wilson The Piedmont mine, Yavapai County, Arizona ....................................... 29 B. L. Muntyan The San Manuel mine, Pinal County, Arizona ...........................& W. E. Wilson Mineral collecting at the Magma mine, . . Superior, Arizona ..........................123 L. Presmyk & M. Hay Treasures of the Magma mine, Pinal County, Arizona .................................... 147 W. E. Wilson & Mark Hay The Ford mine, Pinal County, Arizona ........................ |  | | Book | | fR/^PI5C0%ubUc library lineral Wealth and Colonial Mining and Metallurgy in Spanish America edited by Alan...Loro pyramid in the Batan Qrande region, northern Peru. It was assembled from a gold mask, biconical forehead...Quest of Mineral Wealth Aboriginal and Colonial Mining and Metallurgy in Spanish America edited by Alan...quest of mineral wealth: aboriginal and colonial mining and metallurgy in Spanish America / edited by Alan...Overview Robert C. West 5 Observations on Ancient Mining within the Northwestern Regions of the Mesoamerican |  | | Journal (article/letter/editorial) | | igneous rock. The coast ranges were an unstable province throughout the Tertiary, and the relation between...on San Cayetano Mountain between Sespe and Santa Paula creeks where it has been thrust over the Miocene...over the Fernando, along the south side of Santa Paula Ridge, and on Sulphur Mountain, where it lies below...(lows and agglomerates and intrusions of basalt, andesite, dacite, and diabase. The Monterey series is an...with some andesiU;. Cut by small dikes of basalt, andesite, and dacite Cherty shales, sandstone, dark clay |
|
