 | | Report (issue) | | Geology—Mexico. 2. Geology, Structural—Mexico. 3. Faults (Geology)—Mexico. 4. Ore deposits—Mexico. I. Alaniz-Álvarez.... . 233 R.S. Molina-Garza and A. Iriondo 8. The San Marcos fault: A Jurassic multireactivated basement...Bigot-Cormier, A. Chabert, and J. Bourgois 10. The Taxco–San Miguel de Allende fault system and the Trans-Mexican...which bound the plateau: the San Luis–Tepehuanes fault and the Taxco– San Miguel de Allende fault system...Mojave-Sonora megashear (Molina-Garza and Iriondo), the San Marcos fault (Chávez-Cabello et al.), and the Trans-Mexican |  | Canet, Carles, González-Partida, Eduardo, Camprubí, Antoni, Castro-Mora, Jesús, Romero, Francisco Martín, Prol-Ledesma, Rosa María, Linares, Carlos, Romero-Guadarrama, Juan A., Sánchez-Vargas, Lilia I. (2011) The Zn–Pb–Ag skarns of Zacatepec, Northeastern Oaxaca, Mexico: A study of mineral assemblages and ore-forming fluids. Ore Geology Reviews, 39 (4) 277-290 doi:10.1016/j.oregeorev.2011.03.007 | Journal (article/letter/editorial) | | Zn–Pb–Ag skarns of Zacatepec, Northeastern Oaxaca, Mexico: A study of mineral assemblages and ore-forming...Antoni Camprubí c, Jesús Castro-Mora d,e, Francisco Martín Romero c, Rosa María Prol-Ledesma a, Carlos Linares...Universitaria, Delegación Coyoacán, 04510 México D.F., Mexico Centro de Geociencias, Universidad Nacional Autónoma...Juriquilla 3001, 76230 Santiago de Querétaro, Qro., Mexico c Instituto de Geología, Universidad Nacional Autónoma...Universitaria, Delegación Coyoacán, 04510 México D.F., Mexico d Posgrado en Ciencias de la Tierra, Universidad |  | Kojima, Shoji, San Martín, María Constanza, Nagase, Toshiro, Nakashima, Daisuke, Bisso, Claudio, Menzies, Andrew (2021) Distribution of gold and silver and its relation with hypogene ore minerals in the Esperanza porphyry deposit, Antofagasta Region, Chile. Resource Geology, 71 (1). 80-90 doi:10.1111/rge.12250 | Journal (article/letter/editorial) | | Region, Chile Shoji Kojima1 | María Constanza San Martín1 Daisuke Nakashima3 | | Toshiro Nagase2...Email: skojima@ucn.cl Funding information Esperanza mine geologists Abstract Modes of occurrence of Au-...mineralization is characterized by early-stage chalcopyrite-rich veinlets in the potassic alteration zone...chlorite-sericitic alteration zone. Only the early-stage chalcopyrite contains fine-grained electrum (Au68Ag32 - Au81Ag19)...in the hypogene sulfide zone. The early-stage chalcopyrite grains frequently exhibit polysynthetic twinning |  | | Journal (article/letter/editorial) | | a primary mineral also discovered, and later the San Guillermo vein, which, exists, but it is much rarer...(Germany), Fresnillo in Zacatecas and acanthite appeared, so that since 1980 Fresnillo and San Juan de Rayas in...in Guanajuato (Mexico) and has become the richest silver mine in the world, in more recently Bou Azzer...these recent San Carlos mines had ceased vein. The San Juan production by the de Rayas mine in time of...very city In Morocco, the of Oberschlema Bou Azzer mine, itself, which finally already very had to be relocated |  | Siesgesmund, Siegfried, López-Doncel, Rubén, Sieck, Pascal, Wilke, Hendrik, Wemmer, Klaus, Frei, Dirk, Oriolo, Sebastián (2018) Geochronological and geochemical constraints on the genesis of Cu-Au skarn deposits of the Santa María de la Paz district (Sierra del Fraile, Mexico) Ore Geology Reviews, 94. 310-325 doi:10.1016/j.oregeorev.2018.02.010 | Journal (article/letter/editorial) | | deposits of the Santa María de la Paz district (Sierra del Fraile, Mexico) Siegfried Siesgesmund, Rubén López-Doncel...deposits of the Santa María de la Paz district (Sierra del Fraile, Mexico), Ore Geology Reviews (2018), doi:...deposits of the Santa María de la Paz district (Sierra del Fraile, Mexico) Siegfried Siesgesmund1, Rubén López-Doncel2...Universidad Autónoma de San Luis Potosí, Av. Manuel Nava 5, 78240 San Luis Potosí, Mexico 3 División de Geociencias... Camino a la Presa San José 2055, Lomas 4° Sección, 78216 San Luis Potosí, Mexico 4 Department of Earth |  | San Martín, Francisca, Valles, Ignacio, Kracht, Willy, Vargas, Tomás, Aguilar, Claudio (2021) Biodepression of Copper-Activated Pyrite with Acidithiobacillus ferrooxidans in Flotation with Fresh and Seawater. Minerals, 11 (10) 1039 doi:10.3390/min11101039 | Journal (article/letter/editorial) | | in Flotation with Fresh and Seawater Francisca San Martín 1, * , Ignacio Valles 1 , Willy Kracht 2,3 ,...1 1 2 3 4 * Citation: San Martín, F.; Valles, I.; Kracht, W.; Vargas, T.; Aguilar...10−5 M of CuSO4 . The XPS analysis showed that chalcopyrite and copper (II) hydroxide were formed on the...pyrite surface when it is exposed to Cu2+ are chalcopyrite and copper (II) hydroxide. Ejtemaei and Nguyen...Photoelectron Spectroscopy (Cryo-XPS), that a layer of chalcopyrite (CuFeS2 -type) on the pyrite surface is formed |  | Camprubi, A., Gonzalez-Partida, E., Iriondo, A., Levresse, G. (2006) MINERALOGY, FLUID CHARACTERISTICS, AND DEPOSITIONAL ENVIRONMENT OF THE PALEOCENE EPITHERMAL Au-Ag DEPOSITS OF THE EL BARQUENO DISTRICT, JALISCO, MEXICO. Economic Geology, 101 (1) 235-247 doi:10.2113/gsecongeo.101.1.235 | Journal (article/letter/editorial) | | EPITHERMAL Au-Ag DEPOSITS OF THE EL BARQUEÑO DISTRICT, JALISCO, MEXICO ANTONI CAMPRUBÍ,† EDUARDO GONZÁLEZ-PARTIDA...Carretera Querétaro-San Luis Potosí km. 15.5, A.P. 1-742, 76230 Santiago de Querétaro, Mexico ALEXANDER IRIONDO...Carretera Querétaro-San Luis Potosí km. 15.5, A.P. 1-742, 76230 Santiago de Querétaro, Mexico, and Department...Carretera Querétaro-San Luis Potosí km. 15.5, A.P. 1-742, 76230 Santiago de Querétaro, Mexico Abstract The...epithermal vein district is located in the southwestern part of the Sierra Madre Occidental of Mexico. It is made |  | Márquez-Zavalía, M. F., Bindi, L., Márquez, M., Menchetti, S. (2008) Se-bearing polybasite-Tac from the Martha mine, Macizo del Deseado, Santa Cruz, Argentina. Mineralogy and Petrology, 94 (1) 145-150 doi:10.1007/s00710-008-0001-x | Journal (article/letter/editorial) | | COMMUNICATION Se-bearing polybasite-Tac from the Martha mine, Macizo del Deseado, Santa Cruz, Argentina M. F...with galena, chalcopyrite, sphalerite, tetrahedrite, electrum and quartz at the Martha mine, an epithermal...CRICYT, CONICET, Av. Ruiz Leal s/n, Parque Gral. San Martín (5500), Mendoza, Argentina e-mail: mzavalia@lab...De Lamar mine, Idaho, USA. 146 During a mineralogical study of samples from Martha mine, Santa Cruz...crystallographic characteristics of specimens from the Martha mine are given in this paper. The Martha ore deposit |  | | Journal (article/letter/editorial) | | com/locate/oregeorev Mesozoic orogenic gold deposits in Mexico Aldo Izaguirre a,⁎, Antoni Camprubí b, Alexander...Boulevard Juriquilla 3001, 76230 Juriquilla, Querétaro, Mexico Instituto de Geología, Universidad Nacional Autónoma...México, Ciudad Universitaria, 04510 México, D.F., Mexico c Centro de Geociencias, Universidad Nacional Autónoma...Boulevard Juriquilla 3001, 76230 Juriquilla, Querétaro, Mexico d Department of Geological Sciences, Jackson School...s t r a c t Although orogenic gold deposits in Mexico were mostly formed during the Cenozoic, they started |  | Alfonso, Pura, Anticoi, Hernan, Yubero, Teresa, Bascompta, Marc, Henao, Laura, Garcia-Valles, Maite, Palacios, Silvia, Yáñez, Juan (2019) The Importance of Mineralogical Knowledge in the Sustainability of Artisanal Gold Mining: A Mid-South Peru Case. Minerals, 9 (6) 345 doi:10.3390/min9060345 | Journal (article/letter/editorial) | | gold tellurides also occur and they are abundant in San Luis. Gold processing is carried out by amalgamation...large mining companies, as in the case of Misky and San Cristobal (Figure 1). Typically, these miners have...and gangue from the mining sites. A sustainable mine operation should be safe, economically profitable...department: Cháparra, Misky, and San Cristóbal and two from Ayacucho: San Luis and Santa Filomena (Figure...recovered by amalgamation in the processing area of San Martin, which is located 5 km from the Misky mining |  | | Journal (article/letter/editorial) | | generally accompanied by hübnerite, pyrite, chalcopyrite, and Bi- and Sn-bearing minerals. The mineralizing...copper mineralization, represented mainly by chalcopyrite, enargite, tetrahedrite, and tennantite; (IV)...consists of pyrite, marcasite, galena, sphalerite, chalcopyrite, enargite, pyrrhotite, bornite and tetrahedrite...layers of different minerals such as pyrite – chalcopyrite – rhodochrosite, or sphalerite – galena – tennantite...younger minerals, especially galena, sphalerite, chalcopyrite, tennantite, quartz, rhodochrosite, and its |  | | Journal (article/letter/editorial) | | to Pyrite in Fresh and Saline Water Francisca San Martín * and Claudio Aguilar Department of Metallurgical...than to chalcopyrite, and that the bacteria can depress pyrite more than it can depress chalcopyrite. The...Modak, J.M. Selective separation of pyrite and chalcopyrite by biomodulation. Colloids Surf. B Biointerfaces...Somasundaran, P. Selective separation of pyrite from chalcopyrite and arsenopyrite by biomodulation using Acidithiobacillus... Cell Fact. 2005, 4, 13. [CrossRef] [PubMed] San Martín, F.; Kracht, W.; Vargas, T. Biodepression of |  | Žáček, V., Janoušek, V., Ulloa, A., Košler, J., Huapaya, S., Mixa, P., Vondrovicová, L., Alvarado, G. E. (2011) The Late Miocene Guacimal Pluton in the Cordillera de Tilarán, Costa Rica: its nature, age and petrogenesis. Journal of GEOsciences, 56 (1) 51-79 | Journal (article/letter/editorial) | | Centroamericana de Geología, Universidad de Costa Rica (UCR), San José, Costa Rica Centre for Geobiology and Department...MINAET, Dirección de Geología y Minas, Apdo. 10104, San José, Costa Rica Área de Amenazas y Auscultación...Sísmica y Volcánica, PySA, ICE, Apdo. 10032-1000, San José, Costa Rica Corresponding author The Guacimal...titanite, rutile, apatite, zircon, thorite, and chalcopyrite are accessories. Secondary minerals, which occur...partner (MINAET, Dirección de Geología y Minas, San José) in March 2010. The current paper represents |  | Marquez-Zavalia, M. F., Galliski, M. A., Cerny, P., Chapman, R. (2012) AN ASSEMBLAGE OF BISMUTH-RICH, TELLURIUM-BEARING MINERALS IN THE EL QUEMADO GRANITIC PEGMATITE, NEVADOS DE PALERMO, SALTA, ARGENTINA. The Canadian Mineralogist, 50 (6) 1489-1498 doi:10.3749/canmin.50.6.1489 | Journal (article/letter/editorial) | | CCT-MENDOZA CONICET, Avda. Ruiz Leal s/n, Parque Gral. San Martín, C.C.330 (5.500) Mendoza, Argentina Petr ČERNÝ...up to 20 kg were reported from the El Quemado district (Ahlfeld & Angelelli 1948). Analytical Methods...(silver, La), Pb (galena, Ma), S (chalcopyrite, Ka), Cu (chalcopyrite, Ka), Te (coloradoite, La), Bi (bismuthinite...number of analyses. and ingodite; the amount of chalcopyrite is negligible and commonly isolated from the...crystallization of the Harding pegmatite, Taos County, New Mexico. Can. Mineral. 28, 287-298. Ciobanu, C.L. & Cook |  | Voudouris, Panagiotis Christos, Spry, Paul G., Sakellaris, Gregory Aarne, Mavrogonatos, Constantinos (2011) A cervelleite-like mineral and other Ag-Cu-Te-S minerals [Ag2CuTeS and (Ag,Cu)2TeS] in gold-bearing veins in metamorphic rocks of the Cycladic Blueschist Unit, Kallianou, Evia Island, Greece. Mineralogy and Petrology, 101 (3) 169-183 doi:10.1007/s00710-011-0144-z | Journal (article/letter/editorial) | | was first described from the Bambolla deposit, Mexico (Criddle et al. 1989) but has been reported along...Altay (Aksenov et al. 1969), the intrusion-hosted San Martin deposit, Argentina (Paar and De Brodtkorb...polybasite (Voudouris and Spry 2008). The Kallianou district (Fig. 1) is part of the AtticCycladic-Pelagonian...near-surface levels (Neubauer 2005). The Kallianou mining district is famous for the exploitation of gold-silver-rich...region during slab retreat. The Kallianou mining district covers an area of about 50 square km at the southern |  | Echavarria, L., Nelson, E., Humphrey, J., Chavez, J., Escobedo, L., Iriondo, A. (2006) Geologic Evolution of the Caylloma Epithermal Vein District, Southern Peru. Economic Geology, 101 (4) 843-863 doi:10.2113/gsecongeo.101.4.843 | Journal (article/letter/editorial) | | Geologic Evolution of the Caylloma Epithermal Vein District, Southern Perú LEANDRO ECHAVARRIA,* ERIC NELSON...silver- and base metal-rich Caylloma epithermal district in the Tertiary volcanic belt of southern Perú...helvite. Ore minerals include sphalerite, galena, chalcopyrite, and tetrahedrite. Hydrothermal alteration is...system are exposed to the west and southwest in the district. Evidence from sulfur isotopes and high-salinity...silver- and base metal-rich Caylloma epithermal district is located about 150 km north of Arequipa (Fig |  | | Journal (article/letter/editorial) | | primary ore minerals are galena, sphalerite, chalcopyrite, pyrite, arsenopyrite, magnetite, and hematite...ore minerals are galena, sphalerite, pyrite, chalcopyrite, arsenopyrite, pyrrhotite, magnetite, and hematite...euhedral quartz, and calcite. Sphalerite, galena, chalcopyrite, pyrite, and marcasite are observed as ore minerals...system are barren. Galena, sphalerite, pyrite, chalcopyrite, and hematite are the ore minerals. 3.4. Dağoba...minerals consisting of galena, sphalerite, pyrite, chalcopyrite, hematite, and magnetite. 3.5. Handeresi Pb-Zn |  | | Journal (article/letter/editorial) | | and water contamination in surrounding areas. In mine wastes, molybdenum is liberated from sulfide mineral...Mo-metabolising bacteria have been isolated from mine wastes. However, laboratory and in-situ experiments...may be involved in the cycling of Mo in and from mine wastes, with good potential for bioremediation....remediation actions. Keywords: molybdenum; mining; mine waste; tailings; molybdenite; molybdate; powellite...porphyry and other types of Cu-bearing ores [1]. Global mine production of Mo is on the order of just over 200 |  | | Journal (article/letter/editorial) | | conditions, PGMs associated with pyrite and/or chalcopyrite were projected to be biofloatable with B. polymyxa...be generally prone to biodepression, whereas chalcopyrite-associated PGMs are expected to be generally...terms of bioflocculation, PGMs associated with chalcopyrite may be recovered using L. ferrooxidans, whereas...Increased floatability of the copper-bearing mineral chalcopyrite was found after adding a culture of A. ferrooxidans...(Fe1−x S) (~75%), pentlandite ((Fe, Ni)9 S8 ), chalcopyrite (CuFeS2 ), and minor quantities of pyrite (FeS2 |  | | Book (edition) | | Antástida (3). c- en aguas termales: Baños de Talacasto, San Juan (4). El Sosneado, Mendoza (4). d- azufre biogénico:...Mina Pirquitas, Jujuy y en la Mina Santa Elena, San Juan (4). 48 Bibliografía: (1)- Lurgo Mayón, C...ixiolita. - en sistemas hidrotermales: 2- San Francisco de los Andes, San Juan (2). Brecha turmalínica Como inclusiones...Bi de la zona de oxidación. 3- Mina Los Cóndores, San Luis (3). Yacimiento hidrotermal. Asociada a bismutinita...the Bi, Cu mineralized breccia pipe San Francisco de los Andes, San Juan, Argentina. Economic Geology 64: |  | | Book | | Universidad Nacional Autónoma de México, Querétaro, Qro., Mexico Cristina I. Pereira Area de Ciencias del Mar, Universidad...the north, the Caribbean terranes (CAT), including San Jacinto (SJ) and Sinú (SN). 1.3 Pacific Terranes...terrane. 1.4 Caribbean Terranes (San Jacinto, Sinú) The San Jacinto terrane includes a thick pile...Sinú terrane is located outboard of San Jacinto and, as with San Jacinto, contains a thick sequence of...are Oligocene in age (as opposed to Paleocene in San Jacinto). 1.4.1 Guajira-Falcón Terranes (GU-FA) |  | | Journal (article/letter/editorial) | | Minerales, SEGEMAR. Avenida General Paz 5445, San Martín, provincia de Buenos Aires, Argentina. b Consejo...These fluids collect certain elements producing a district mineralogical specialization with inhomogeneities...of deposit are District Artillery Park, Arizona, USA (Derby, 2012); Santa Rosa, Mexico (Rodriguez-Diaz...de Ambargasta, Argentina (Leal et al., 2008); and San Rafael Massif, Argentina (Mallimacci et al., 2010)...Gondwana (Leal et al., 2008). The Mn deposits from the San Rafael Massif are hosted in the upper section of |  | | Journal (article/letter/editorial) | | CRICYT (CONICET), Av Ruiz Leal s/n, Parque Gral. San Martín, 5500, Mendoza, Argentina y Petrología, FAD,...Abstract A gold-bearing ore from the San Salvador vein, Capillitas mine, Argentina, was exposed to an enriched...characterization of gold-bearing ore The Capillitas mine, located in the province of Catamarca, Argentina...sample of gold-bearing ore was obtained from the San Salvador vein ca. 180 m deep. The ore was cut into...based on EMP analysis. This assemblage included chalcopyrite (CuFeS2), pyrite (FeS2), galena (PbS), enargite |  | | Journal (issue) | | Mexico ineralogical Record September-October 2003 ❖ Volume 34 Number 5 ❖ $20 Wayne & Dona Leicht,...Van Pelt, Los Angles Mexico Special Issue II The Ojuela Mine Preface to Mexico-II1....................................................... 24 Mapimí District Geology ........................................ from the 1981 find in the San Judas chimney, Level 6, of the Ojuela mine. Houston Museum of Natural...headframes and processing facilities of the Ojuela mine ca. 1900. 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San Martín Mine, San Martín-Sabinas District, San Martín, Sombrerete Municipality, Zacatecas, Mexico