 | | 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 |  | 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 |  | | Report (issue) | | thumbnail-size azurite specimen from the Christiana mine, Laurium, Attika, Greece, which I acquired at the...Greece generally and from the ancient Laurium district especially. Some of Christos’s Laurium azurite...from the very small 2017 find in the Christiana mine which yielded the specimens seen in Munich later...harm either: Azurite, 4.2 cm, from the Christiana mine, Laurium, Attika, Greece. Greekrocks specimen and...======== Azurite, 1.8 cm, from the Christiana mine, Laurium, Attika, Greece. Greekrocks specimen and |  | 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-...K-feldspar, and magnetite (Bisso et al., 2009; San Martín, 2016; Magna, 2017). The anhydrite layer exhibits...plagioclase, quartz, biotite, and hornblende (San Martín, 2016). A dark brown hydrothermal breccias unit... chalcopyrite, and trace amounts of bornite (San Martín, 2016). Principal hydrothermal alteration is |  | | 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 |  | | Journal (article/letter/editorial) | | and alunite; (II) the major phases dominated by pyrrhotite, arsenopyrite and marcasite, with pyrite, galena... galena, sphalerite, chalcopyrite, enargite, pyrrhotite, bornite and tetrahedrite – tennantite. The veins...analysis, not to averages. N. A. = not analized; SS = San Salvador vein; LR = La Rosario vein. Weight % Te...Photomicrographs: a. Gold (Au) and hübnerite (hb) in quartz, San Salvador vein; b. Tennantite (tn) and krennerite... dip 50 –75 S, length 245 m, thickness 0.90 m), San Salvador (strike N35 W, dip 65 –75 S, length 180 |  | 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) | | bioflotation response of pyrrhotite to L. ferrooxidans, it is anticipated that pyrrhotite-associated PGMS can...recovery [21,22]. For example, the recovery of pyrrhotite (Fe1−x S), the main sulphide mineral in the Merensky...shown in Table 3. Virgin ores consist mainly of pyrrhotite (Fe1−x S) (~75%), pentlandite ((Fe, Ni)9 S8 )...this paper focuses on the biobeneficiation of pyrrhotite, pentlandite, chalcopyrite and pyrite. As there...Reef UG2 Reef Platreef Vol (%) Pentlandite Pyrrhotite Chalcopyrite 35 46 20 44–52 26–35 21 27 52 |  | | 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: |  | 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 |  | | 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. The famous suspension bridge designed |  | | 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 |  | | Catalog/List | | 10:00 AM – 5:00 PM CT Heritage Auctions Design District Annex 1518 Slocum Street • Dallas, TX 75207 Session...5:00 PM ET LOT VIEWING Heritage Auctions Design District Annex 1518 Slocum Street • Dallas, TX 75207 Thursday...grow. 73001 TOURMALINE Momeik Township, Kyaukme District, Shan State, Myanmar (Burma) Looking almost like...com/6150 73002 TOURMALINE Momeik Township, Kyaukme District, Shan State, Myanmar (Burma) For those that have...750 73003 TOURMALINE Momeik Township, Kyaukme District, Shan State, Myanmar (Burma) As if Momeik doesn’t |  | | Journal (article/letter/editorial) | | sphalerite, pyrite, chalcopyrite, arsenopyrite, pyrrhotite, magnetite, and hematite (Figure 3a). Secondary...amounts of valleriite, cubanite, enargite, and pyrrhotite. The Sarnıçköy mineralization was investigated...skarn deposits of the Groundhog mine (Central Mining District, New Mexico) systematically increased from...world (e.g. Madero Zn–Cu–Pb–(Ag) skarn deposit, Mexico; Canet et al., 2009; Mochito Zn(-Pb-Ag) Deposit...Francisco I. Madero Zn–Cu– Pb– (Ag) deposit, Zacatecas, Mexico: implications for ore deposit genesis. Ore |  | | 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) | | high concentrations of Co (up to 34,400 mg/L in mine water, 14,165 mg/kg in tailings, 21,134 mg/kg in...have been documented. Co is contained in ore and mine waste in a wide variety of primary (e.g., cobaltite...Hudson-Edwards, K.A. Geochemistry, Keywords: cobalt; mine waste; tailings; erythrite; heterogenite; biogeochemistry...mobility within tailings, soils, smelter waste, and mine waters [10–12]. This paper will review the geochemistry...the major controls on Co uptake and mobility in mine-affected waters, soils, sediments, plants, minerals |  | | Journal (article/letter/editorial) | | 50 100km Valverde del Fresno Eljas Acebo S. Martín de Trevejo Jálama pluton 40° Villamiel 40.15°...unit) Porphyritic to seriate monzogranite (SMT=San Martín de Trevejo unit) Tourmaline-muscovite leucogranite...megacrysts can also be found (Figure 3(a)). (2) The San Martín de Trevejo unit (SMT) is a mediumto very coarse-grained...zircon ± monazite, ilmenite, rutile, and sometimes pyrrhotite, pyrite, and chalcopyrite. Blade and droplets...Chappell, B.W., 1978, Granitoids from the Moonbi district, New England Batholith, Eastern Australia: Journal |  | | Journal (article/letter/editorial) | | MENDOZA-CONICET, Avda. Adrián Ruiz Leal s/n, Parque General San Martín, 5500, Mendoza, Argentina ABSTRACT Gahnite from...the pegmatites of the Comechingones pegmatite district. Chemical variation within gahnite crystals is...these pegmatites at the scale of the pegmatite district, single pegmatite bodies, and within individual...pegmatite) pegmatite districts in the Córdoba and San Luis Provinces of central and northwestern Argentina...in Table 1. Conlara Pegmatite District The Conlara pegmatite district is located in the northern portion |  | Pastor-Galán, Daniel, Dekkers, Mark J., Gutiérrez-Alonso, Gabriel, Brouwer, Daniël, Groenewegen, Thomas, Krijgsman, Wout, Fernández-Lozano, Javier, Yenes, Mariano, Álvarez-Lobato, Fernando (2016) Paleomagnetism of the Central Iberian curve's putative hinge: Too many oroclines in the Iberian Variscides. Gondwana Research, 39. 96-113 doi:10.1016/j.gr.2016.06.016 | Journal (article/letter/editorial) | | post-kinematic granitoids (Navarredonda de Gredos and San Martín del Pimpollar; AC Gutiérrez-Alonso et al.,...Thermomagnetic_curves.zip). Just in one thermomagnetic run pyrrhotite could be identified, albeit dominantly the non-magnetic...(hexagonal) (Fig. 9B). However, the presence of pyrrhotite also was inferred from the demagnetization diagrams...Pastor-Galán et al., 2015). All pyrrhotite varieties are platy, monoclinic pyrrhotite (Fe7S8) has a Curie temperature...temperature of 325° (e.g. Dekkers, 1988). Pyrrhotite occurs commonly as a secondary mineral in high-diagenetic |  | Leary, Stephen, Sillitoe, Richard H., Stewart, Peter W., Roa, Karl J., Nicolson, Benjamin E. (2016) Discovery, Geology, and Origin of the Fruta del Norte Epithermal Gold-Silver Deposit, Southeastern Ecuador. Economic Geology, 111 (5) 1043-1072 doi:10.2113/econgeo.111.5.1043 | Journal (article/letter/editorial) | | Mirador, N = Nambija, P = Panantza, SC = San Carlos, SL = San Luis, W = Warintza. Faults taken from Eguez...Leary, 2007, 2008). Discovery History Early and district-scale exploration The gold mining history of southern...due to a national moratorium on exploration and mine development activities imposed by the Ecuadorian...complete feasibility studies for a bulk underground mine and gravity, flotation, and tailings leach facility... The main skarn gold deposits, in the Nambija district (Figs. 1B, 5), are younger than both the dated |  | | Journal (volume) | | se 7 The Only Mining Journal Pablithed in Mexico. Vhe Mexican Mining Journal Published SKConthly...— Vhe Mexican Mining Journal APARTADO 105 £IS. MEXICO CITY, MEX. THE MEXICAN MINING JORNAL INDEX TO...20 and 1. January to December 1915. Accounts Mine, System Action of Dissolved Air of, in Mill Pulp...Longest in Colombia, Aguascalientes, Asientos Mining District, Air, Dissolved, Action of in Mill Pulp, Air,...and Folation, Air and Temperature in the Deepest Mine in the World,. Air, Compressed, for Ore Flotation |  | | Journal (issue) | | 5 Barrick Serves Notice of Dispute Over Porgera Mine...........................................5 Alamos...Island Mine.....................................6 OceanaGold Reports Positive PEA for Waihi District.......WORLD U.S. & Canada: Cameco to Restart Cigar Lake Mine..........................................8 Latin...America: Premier Gold Restarts Production at Mercedes Mine.............. 14 Australia/Oceania: NQ Minerals....... 16 Africa: Resolute Extends Mako’s Life of Mine................................................ |  | | Book | | label: Aerial view of the Bingham Canyon copper mine, Kennecott Utah Copper, September 2003. Photo courtesy...Magmatic-Hydrothermal History of the Río Blanco-Los Bronces District, Central Chile: Development of World’s Greatest...Chuquicamata District, Northern Chile Geologic Overview of the Escondida Porphyry Copper District, Northern...± Molybdenum Deposits of the Ertsberg-Grasberg District, Papua, Indonesia Clyde A. Leys, Mark Cloos,...Tenke-Fungurume SedimentHosted Strata-Bound Copper-Cobalt District, Katanga, Democratic Republic of Congo Dzhezkazgan |  | | Catalog/List | | and Mail) Heritage Auction Galleries Design District Annex 1518 Slocum St. • Dallas, Texas 75207 Thursday...Oak Lawn Ave. #606 • Dallas, Texas 75207 Design District Annex • 1518 Slocum Street • Dallas, Texas 75207...Heritage Natural History Annex 2. Heritage Design District Annex 17094 Natural History Specialist Steve...REPLACED LAUMONITE Bombay Quarry, Mumbai District (Bombay District), Maharashtra, India A large aggregate... 41008 HUGE FLUORESCENT SPHERE Purple Passion Mine, Wichenburg, Arizona Many mineral specimens are |  | | Journal (volume) | | .........................319 EM61 Mineralogy of mine wastes and contaminated soil......................– oral The mineralogy and crystallography of pyrrhotite from selected nickel and PGE ore deposits Grain...(*anava@ugr.es) 1 The non-stoichiometric sulfide pyrrhotite (Fe(1-x)S), common to many ore deposits, occurs...troilite (FeS). In this study, the mineralogy of pyrrhotite derived from several different nickel and PGE...detail in terms of pyrrhotite association, crystallography and mineral chemistry. Pyrrhotite samples were subdivided |
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