 | | Journal (article/letter/editorial) | | AND SUPERGENE WEATHERING IN THE EL PEÑÓN DISTRICT, NORTHERN CHILE IAN WARREN,† Yamana Gold, 9670 Gateway...Zealand Abstract The El Peñón epithermal gold-silver deposit, Region II, Chile, comprises multiple epithermal...in the Paleocene metallogenic belt of northern Chile. Quartz-adularia-carbonate veins are hosted in Paleocene...related to precious metals mineralization of the El Peñón deposit. Timing of hydrothermal activity in the...Adularias from the three largest veins of the El Peñón deposit are dated at 52 to 53 Ma (40Ar/39Ar), |  | Arfè, G., Boni, M., Mondillo, N., Aiello, R., Balassone, G., Arseneau, V. (2016) Mineralogy of the supergene alteration in the Capricornio Au–Ag epithermal vein system, Antofagasta region, Chile. Applied Earth Science, 125 (2) 74 doi:10.1080/03717453.2016.1166605 | Journal (article/letter/editorial) | | other important epithermal gold deposits, such as El Peñón (Warren 2005) and Faride (Camus and Skewes 1991)...Faride epithermal silver–gold deposit, Antofagasta region, Chile, Economic Geology, 86, 1222– 1237. Warren...geochemistry, and genesis of the El Peñón epithermal Au–Ag deposit, northern Chile: characteristics of a bonanza-grade...Capricornio Au–Ag epithermal vein system, Antofagasta region, Chile G. Arfè∗ 1, M. Boni1, N. Mondillo1,2,...Palaeocene-Eocene metallogenic belt, 60 km ENE from Antofagasta, in the physiographic Central Depression, between |  | | Journal (article/letter/editorial) | | is pyrite and arsenopyrite with lesser galena, sphalerite and pyrrhotite. Minor phases of bismuthides and...other important epithermal gold deposits, such as El Peñón (Warren 2005) and Faride (Camus and Skewes 1991)...Faride epithermal silver–gold deposit, Antofagasta region, Chile, Economic Geology, 86, 1222– 1237. Warren...geochemistry, and genesis of the El Peñón epithermal Au–Ag deposit, northern Chile: characteristics of a bonanza-grade...Capricornio Au–Ag epithermal vein system, Antofagasta region, Chile G. Arfè∗ 1, M. Boni1, N. Mondillo1,2, |  | | Journal (article/letter/editorial) | | alteration minerals for the El Peñón epithermal deposit, northern Chile. The same techniques are applied...versus Ca and Na. El Peñón Epithermal Au-Ag Deposit Geologic setting The El Peñón Au-Ag deposit is located...Central Depression of northern Chile, 125 km southeast of Antofagasta (Fig. 3). The deposit comprises...70° 68° Faride 60-63Ma Antofagasta 24° Spence 64Ma Sierra Gorda 64Ma El Peñón Lomas Bayas 60Ma Santiago...belt Antofagasta 36° San Cristóbal 54Ma El Peñón 52-53Ma property/ district 24° La Escondida deposit |  | | Journal (article/letter/editorial) | | Practical Experience of Filtered Tailings Technology in Chile and Peru: An Environmentally Friendly Solution Carlos...Practical Experience of Filtered Tailings Technology in Chile and Peru: An Civil Works and Geology Department...Catholic University of Temuco, Temuco 4780000, Chile Facultad de Ingeniería, Universidad Continental...advances in filtered tailings technology applied in Chile and Peru with emphasis on: (i) filtering technology...and Toquepala (Peru), Los Pelambres (Chile) and Los Bronces (Chile) [4,5] Thickened Tailings Disposal (TTD) |  | | Book | | label: Aerial view of the Bingham Canyon copper mine, Kennecott Utah Copper, September 2003. Photo courtesy...and CopperGold Deposits at Los Pelambres, Central Chile José Perelló, Richard H. Sillitoe, Constantino...of the Río Blanco-Los Bronces District, Central Chile: Development of World’s Greatest Known Concentration...Northern Chile Geologic Overview of the Escondida Porphyry Copper District, Northern Chile Geology of...N. Moreto, André Luiz Silva Pestilho, Mineral Province, Brazil Gustavo Henrique Coelho de Melo, Marco |  | | Journal (article/letter/editorial) | | low-Fe sphalerite Ag-Au-Zn-Pb-Mn ± Cu Low (1–5 vol.%) Pyrrhotite, arsenopyrite, high-Fe sphalerite Au ±...lithocap of the Marte porphyry gold deposit, northern Chile (see Sillitoe 1994). b Steam-heated alteration exposed...Norte HS gold-silver orebody at La Coipa, northern Chile. Note its white, friable character. c Steam-heated...peripheral to the La Coipa HS-IS gold-silver district, Chile. f Hydrothermal breccia, generated by shallow-seated...steam-heated zone, Pascua-Lama HS gold-silver deposit, Chile. Geologist stands just left of contact with non-brecciated |  | | Journal (article/letter/editorial) | | Seasonal variations of ochreous precipitates in mine effluents in Finland—Sirpa Kumpulainen, Liisa Carlson...arsenic mobility in a creek draining an antimony mine abandoned 85 years ago (upper Orb basin, France)—C...mixing of acid-mine drainage and ambient river water downstream of the Elizabeth copper mine, Vermont, USA...orogenic gold in the Archaean Eastern Goldfields Province, Yilgarn craton, Western Australia—A.A. Morey...hydrogen and oxygen isotope composition of waters from mine tailings in different climatic environments—Jorge |  | | Journal (article/letter/editorial) | | GRANITIC PEGMATITES FROM THE PAMPEAN PEGMATITE PROVINCE, ARGENTINA: IMPLICATIONS FOR PEGMATITE FRACTIONATION... melt evolution, chemistry, Pampean Pegmatite Province, Argentina. INTRODUCTION Zinc-rich spinel ([Zn...pegmatite districts of the large Pampean Pegmatite Province, Argentina (Galliski 1994a). The Comechingones...studies of gahnite from this important pegmatite province have not been undertaken. With the exception of...columbitetantalite from several pegmatites in the province (Galliski & Černý 2006) and one of bobfergusonite |  | Poblete, J. A., Bissig, T., Mortensen, J. K., Gabites, J., Friedman, R., Rodriguez, M. (2014) The Cerro Bayo District, Chilean Patagonia: Late Jurassic to Cretaceous Magmatism and Protracted History of Epithermal Ag-Au Mineralization. Economic Geology, 109 (2) 487-502 doi:10.2113/econgeo.109.2.487 | Journal (article/letter/editorial) | | Av. Vitacura 5250, Of. 404 Vitacura, Santiago, Chile Abstract The Cerro Bayo low sulfidation epithermal...tip of the Deseado Massif epithermal silver-gold province. Mineralization is hosted in the mainly rhyolitic...mineralization in the Patagonian Andes of southern Chile. The protracted history of epithermal processes...Late Jurassic (e.g., El Faldeo: Palacios et al., 1997) to Late Cretaceous (e.g., El Toqui: Townley, 1997;...71°50'W in Chile, near the international border with Argentina and 14 km west of the town of Chile †Corresponding |  | | Book (edition) | | especies. Cabe señalar la actuación de Roberto Beder por el aporte del estudio de los minerales en las calizas...Brodtkorb, M.K. de, Gordillo, C. y Gay, H.D., 1983, el número de minerales ascendía a 466 debido principalmente...incorporación del estudio de minerales radiactivos. El anexo de la tercera versión, publicado por Milka...Pezzutti, S. Tourn, y M.E. Vattuone constó de 3 tomos. El primero incluyó las clases I (elementos) y II (sulfuros...sulfosales, seleniuros y telururos), publicado en 2002. El Tomo 2, involucró las clase III (halogenuros), clase |  | 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) | | shallower epithermal level than the galena- and sphalerite-bearing, quartz-carbonate veins in the andesite...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...J L K M N Fig. 10 (Cont.). I. Galena and sphalerite along the margin of a quartz-manganoan carbonate...they contain more base metal sulfides, mainly sphalerite, galena, and chalcopyrite, and silver than the |  | Galliski, Miguel Ángel, Márquez-Zavalía, María Florencia, Škoda, Radek, Novák, Milan, Čopjaková, Renata, Pagano, Diego Sebastián (2019) A Ta,Ti–rich oxide mineral assemblage from the Nancy beryl–columbite–phosphate granitic pegmatite, San Luis, Argentina. Mineralogy and Petrology, 113 (5) 687-701 doi:10.1007/s00710-019-00673-z | Journal (article/letter/editorial) | | s.l. in the department of Chacabuco, San Luis province, Argentina (Fig. 1). The pegmatite is part of...intragranitic NYF pegmatites (Lira et al. 2012). The El Peñón monzogranite is exposed relatively close to the...wyllieite, with minor accessory sulfides (mainly sphalerite and pyrite), quartz and secondary limonite and...rutile intergrowths from the Borborema Pegmatite Province, northeastern Brazil. Can Mineral 45:1367–1387...granitic pegmatites from the Pampean Pegmatite Province, Argentina: implications for pegmatite fractionation |  | | Book | | ore minerals themselves such as chalcopyrite, sphalerite, and magnetite, but also the respective rocks...is the minimum grade at which it is worthwhile to mine a certain deposit. Everything below it (low-grade...chalcopyrite (brass) from the Friedrich-Christian Mine in Wildschapbach, Black Forest (Germany) (photo...black Fig. 1.2 Chalcopyrite on quartz. Silberwiese Mine, Oberlahr, Westerwald (Germany) (photo © Monika...CuS (Fig. 1.4). Fig. 1.5 Chalcocite from Mammoth Mine, Mount Isa-Cloncurry Territory (Queensland, Australia) |  | | Journal (article/letter/editorial) | | and vanadocrete (vanadate). Panczner 1987 Tajo Mine, Hidalgo del Parral, Chihuahua, Mexico Panczner...Baumgarten et al. 2008 Dill et al. 1997a Cajamarca Province Peru Palache et al. 1951 Malpelo Island, Colombia...Agua Shuca Cerro Blanco El Salvador Schneider 1958; Cazañas et al. 2003 El Cobre Cuba Camprubí et...Maksaev et al. 2007; Singer et al. 2008 Tarapaca Chile Cu porphyry-type Cu volcanicBouzari & Clark 2002;...Maksaev et al. 2007; Singer et al. 2008 Arica Chile Zn-(Bb-Ba) non-sulfidic/ Soares Monteiro et al |  | Camprubí, Antoni, Chomiak, Beverly A., Villanueva-Estrada, Ruth E., Canals, Àngels, Norman, David I., Cardellach, Esteve, Stute, Martin (2006) Fluid sources for the La Guitarra epithermal deposit (Temascaltepec district, Mexico): Volatile and helium isotope analyses in fluid inclusions. Chemical Geology, 231 (3) 252-284 doi:10.1016/j.chemgeo.2006.02.002 | Journal (article/letter/editorial) | | Temascaltepec area, three main vein sets occur from NW to SE: El Coloso, La Guitarra, and Mina de Agua (Fig. 1) which...length of the vein deposit formed by La Guitarra and El Coloso veins zones altogether is more than 3.5 km...latter includes the rhyolitic feeder neck of Cerro El Peñón, dated at 34.87 ± 0.15 Ma by the 40Ar/39Ar method...late-Laramide granitic suite, whilst the veins of El Coloso area are hosted by all the lithological units...minerals Mineralogy Association 1 Quartz, pyrite, sphalerite, galena, fluorite, siderite, ankerite, chalcopyrite |  | Pieczka, Adam, Hawthorne, Frank C., Gołębiowska, Bożena, Włodek, Adam, Grochowina, Anna (2017) Maneckiite, ideally NaCa2Fe2+2(Fe3+Mg)Mn2(PO4)6(H2O)2, a new phosphate mineral of the wicksite supergroup from the Michałkowa pegmatite, Góry Sowie Block, southwestern Poland. Mineralogical Magazine, 81 (3) 723-736 doi:10.1180/minmag.2016.080.127 | Journal (article/letter/editorial) | | (PO4)6(H2O)2, is only known from the El Peñón granitic pegmatite, Salta Province, República Argentina (Galliski...2 (AsO4)6(H2O)2, is known only from the Falotta mine, Oberhalbstein, Graubunden Canton, Switzerland (Graeser...sulphides ( pyrrhotite, pyrite, chalcopyrite and sphalerite), extraordinarily rare beryl and columbite-(Fe)...(1985) A wicksite-like mineral from the Bull Moose Mine, South Dakota. The Canadian Mineralogist, 23, 247–249...Julianna pegmatite vein system at the Piława Górna mine, Góry Sowie Block, SW Poland – preliminary data |  | Simpson, Mark P., Gazley, Michael F., Stuart, Alistair G.J., Pearce, Mark A., Birchall, Renee, Chappell, Debra, Christie, Anthony B., Stevens, Murray R. (2019) Hydrothermal Alteration at the Karangahake Epithermal Au-Ag Deposit, Hauraki Goldfield, New Zealand. Economic Geology, 114 (2) 243-273 doi:10.5382/econgeo.2019.4630 | Journal (article/letter/editorial) | | Australia 6630, Australia 3 Fraser Thomas Ltd, 21 El Kobar Drive, East Tamaki, Auckland 2013, New Zealand...January 8, 2019 244 B 38°S 6417500N Ascot Hg Mine iver ri R mu ine Oh 200 km Wellington Tokatea...locations of the Rahu prospect and Ascot Cinnabar mine (modified from Brathwaite and Christie, 1996; Stevens...(Christie et al., 2007), a 200-km-long metallogenic province that contains approximately 50 epithermal Downloaded...unoxidized ore contains electrum, acanthite, sphalerite, galena, pyrite, chalcopyrite, and local rhodochrosite |  | | Report (issue) | | CAMBODIA CAMEROON CANADA CENTRAL AFRICAN REPUBLIC CHAD CHILE CHINA COLOMBIA COMOROS CONGO COSTA RICA CÔTE D’IVOIRE...DJIBOUTI DOMINICA DOMINICAN REPUBLIC ECUADOR EGYPT EL SALVADOR ERITREA ESTONIA ESWATINI ETHIOPIA FIJI FINLAND...URANIUM DEPOSITS, THE CENTRAL UKRAINIAN URANIUM PROVINCE ................................................4.1 Objective Evaluation of P2O5 and uranium in El-Sebaiya and Abu-Tartur areas to determine the added...Key results The inferred phosphate resources in El-Sebaiya area are about 80 million tons with an average |  | | Book | | . . . . . 6.4.5 The Namaqua-Natal Metamorphic Province . . . . . . . . . . . . . . . . 6.5 Neoproterozoic:... . . . . . . . . . . . . 18.4.3 The Tocantins Province: Archean Greenstone Belts, Paleoproterozoic Terranes...Craton . . . . . . . . . . . 18.4.4 The Borborema Province . . . . . . . . . . . . . . . . . . . . . . ..... . . . . . . . . . . . . . . 23.8.1 Rosh Pinah Mine . . . . . . . . . . . . . . . . . . . . . . . ....Alegre F Congo–Sao Francisco (plus Borborema province) Piquete Formation PF 24 22 10 500 K–Ar |  | | Book (edition) | | Dry-stacked tailing, such as used at La Coipa (Chile), has additional benefits of cyanide recycling and...Australia and is currently extending to applications in Chile and Peru. An important lesson from all of the major...socioenvironmental impact through the entire life cycle of the mine, it is important to aim at getting it “right the...gold mills in the world (despite being a copper mine). Concentration of gold by gravity has seen innovation...Mining, Metallurgical, and Petroleum Engineers acid mine-drainage Advanced Mineral Identification and Characterisation |
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