 | | Journal (article/letter/editorial) | | Zonation at the Surface over the El Salvador Porphyry Copper Deposit, Chile YASUSHI WATANABE† Institute for...alteration minerals exposed at the surface of the El Salvador porphyry copper deposit. A total of 276 samples...alunite-(± aluminum phosphate-sulfate minerals)diaspore-zunyite-pyrophyllite-dickite, with residual muscovite....minerals from surface alteration assemblages at El Salvador that can be applied to generate clear exploration...assemblages at the surface over the El Salvador porphyry copper orebody, Chile (Fig. 1). Our goal is to better |  | | Report (issue) | | Copper Mountain (British Columbia, Canada) and El Teniente (Chile) porphyry copper deposits..................porphyry copper deposits include El Teniente and El Salvador in Chile, Bajo de la Alumbrera in Argentina, Grasberg...which will vary with the price of copper and local mining costs. At Dos Pobres, Arizona, from the top of...regional faults such as near deposits in northern Chile (Behn and others, 2001; Gow and Walshe, 2005), central...the date of a study, considering the extent of mining at that date. At Batu Hijau, Indonesia, Arif and |  | Khashgerel, B.-E., Rye, R. O., Kavalieris, I., Hayashi, K.-i. (2009) The Sericitic to Advanced Argillic Transition: Stable Isotope and Mineralogical Characteristics from the Hugo Dummett Porphyry Cu-Au Deposit, Oyu Tolgoi District, Mongolia. Economic Geology, 104 (8) 1087-1110 doi:10.2113/gsecongeo.104.8.1087 | Journal (article/letter/editorial) | | Hugo Dummett Porphyry Cu-Au Deposit, Oyu Tolgoi District, Mongolia BAT-ERDENE KHASHGEREL,1,† ROBERT O....porphyry Cu-Au deposits within the Oyu Tolgoi mineral district, Mongolia, occur in a northnortheast–trending...alunite plus aluminum-phosphate-sulfate minerals, zunyite, topaz, pyrophyllite, kaolinite, anhydrite, gypsum...deposits (Lowell and Guilbert, 1970), notably at El Salvador, Chile (Gustafson and Hunt, 1975), concluded that...studies—Lepanto-Far Southeast, Philippines; El Salvador and El Teniente, Chile; Panguna, PNG; Endeavour 26, Australia; |  | | Report (issue) | | Figure 5.--Hydrothermal alteration at the Brewer mine, 21 Chesterfield County, South Carolina Figure 6...from drill hole 8, 13.4 — 19.5 meters depth, Brewer mine area, South Carolina Table 2a.--Seimquantitative...analyses from U.S. Bureau of Mines drill holes, Brewer mine area, South Carolina Table 3.--Analyses of hard...hard rock with fresh pyrite from the Brewer mine area, South Carolina Table 4.--Analyses of 12 soil samples...JoEs. x 80*i. NeS RHirE,DE POSIT x NILLSOOROuG. WS( MAJOR HILL ..SRAOSnaw MINE x "AND miTCHELLS 1-1 |  | Bendezú, Ronner, Page, Laurence, Spikings, Richard, Pecskay, Zoltan, Fontboté, Lluís (2008) New 40Ar/39Ar alunite ages from the Colquijirca district, Peru: evidence of a long period of magmatic SO2 degassing during formation of epithermal Au–Ag and Cordilleran polymetallic ores. Mineralium Deposita, 43 (7) 777-789 doi:10.1007/s00126-008-0195-1 | Journal (article/letter/editorial) | | New 40Ar/39Ar alunite ages from the Colquijirca district, Peru: evidence of a long period of magmatic SO2...alunite crystals from the large Miocene Colquijirca district in central Peru. Combined with previously published...Spikings : L. Fontboté Section des Sciences de la Terre, Université de Genève, Geneva, Switzerland e-mail: Ronner...Bendezu@terre.unige.ch R. Bendezú Sociedad Minera El Brocal S. A. A., Lima, Peru L. Page Department of...systems, including Chuquicamata, El Teniente, Butte, La Escondida, and Cerro de Pasco (Ossandón et al. 2001; |  | | Report (volume) | | -------5. Hydrothermal alteration at the Brewer mine, Chesterfield County, South Carolina ----------...from drill hole 8, 13.4-19.5 meters depth, Brewer mine area, South Carolina --------------------------... of hard rock with fresh pyrite from the Brewer mine area, South Carolina --------------------------...samples from U.S. Bureau of Mines drill holes, Brewer mine area, South Carolina --------------------------...~-------.r-' TENNESSEE NORTH CAROLINA Bradshaw mine and Mitchells Mt t \ rn ,:,EXPLANATION """ |  | Mavrogonatos, Constantinos, Voudouris, Panagiotis, Spry, Paul G., Melfos, Vasilios, Klemme, Stephan, Berndt, Jasper, Baker, Tim, Moritz, Robert, Bissig, Thomas, Monecke, Thomas, Zaccarini, Federica (2018) Mineralogical Study of the Advanced Argillic Alteration Zone at the Konos Hill Mo–Cu–Re–Au Porphyry Prospect, NE Greece. Minerals, 8 (11) 479 doi:10.3390/min8110479 | Journal (article/letter/editorial) | | assemblages dominated by quartz and sericite. Zunyite, along with various amounts of quartz, alunite...significant variance in the SiO2 , F, and Cl content of zunyite. Alunite supergroup minerals display a wide compositional...were ascending into the lithocap environment. Zunyite, Minerals 2018, 8, 479; doi:10.3390/min8110479...alteration zone to the porphyry environment. Keywords: zunyite; alunite supergroup minerals; lithocap; porphyry-epithermal...Lepanto-Far Southeast, Philippines [5]; Maricunga, Chile [6]). Advanced argillic alteration mineral assemblages |  | Franchini, Marta, Impiccini, Agnes, Lentz, David, Ríos, Francisco Javier, O'Leary, Sol, Pons, Josefina, Schalamuk, Abel Isidoro (2011) Porphyry to epithermal transition in the Agua Rica polymetallic deposit, Catamarca, Argentina: An integrated petrologic analysis of ore and alteration parageneses. Ore Geology Reviews, 41 (1) 49-74 doi:10.1016/j.oregeorev.2011.06.010 | Journal (article/letter/editorial) | | Abel Isidoro Schalamuk a, e a Consejo Nacional de Investigaciones Científicas y Técnicas, Universidad...Neuquén, Argentina Centro Patagónico de Estudios Metalogenéticos, Facultad de Ingeniería, Universidad Nacional...Instituto de Recursos Minerales, Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata...alunite (svanbergite + woodhouseite) ± diaspore ± zunyite as breccia cement along with abundant covellite...Introduction ⁎ Corresponding author at: Consejo Nacional de Investigaciones Científicas y Técnicas, Universidad |  | | Journal (article/letter/editorial) | | Cu-AuandAu-AgMineralization in the PotrerillosDistrict, Chile TIMOTHYM. MARSH, • AMT (USA), Inc., 7400 North Oracle...ageatPotrerillos, a majorChilean porphyry copper district(Fig.l). Attentionhasbeendrawnrecentlyto this districtbecause...GEOCHRONOLOGYOF CUAU& AUAGDEPOSITS,POTRERILLOS,CHILE 785 hypotheses: (1) the Cobreporphyry copperdeposit...and(3)epithermal precious metalmineralization ! ß El Abra wasa productof highregional heatflow,enhanced...andeffectrelationshi P smight beunambiguousl Y 40 '39 ) • El Salvador recognized. We haveusedthe Ar/ Ar technique to |  | | Journal (article/letter/editorial) | | Episodic magmatic-hydrothermal activity in the district is characterized by several stages of advanced...Summitville, USA, La Granja, Peru, La Escondida, Chile (STOFFREGEN & ALPERS 1987), Valence Mountains and...flows and domes dominate the western part of the district. Less altered volcanics plot in the subalkaline...are best developed in the western part of the district mainly within volcanic rocks. Colloform banded...topographic levels) mainly in the western part of the district. 125 The APS minerals occur as euhedral pseudocubic |  | | Journal (article/letter/editorial) | | Porphyry Copper Center in the Superior (Pioneer) District, Arizona SCOTT L. MANSKE† Independent Consultant...has been discovered in the Superior (Pioneer) district of east-central Arizona, lying under thick Tertiary...lies within the well-known Superior (Pioneer) district, a base and precious metals camp that has been...approximately 1.5 km south-southeast of shaft 9 of the Magma mine and 120 km north of the city of Tucson, Arizona...consider to be a mature, well-explored metallogenic province in which the last major copper find (Santa Cruz; |  | | Journal (article/letter/editorial) | | in magmatic arc settings. At the regional and district scales, the occurrence of many deposits in belts...central Chile; A.J. Wilson, writ. commun., 2009) and Mo (2.5 Mt: El Teniente, central Chile; Camus, 2003)...Los BroncesRío Blanco El Teniente Mamut Grasberg-Ertsberg Ok Tedi Cerro de Pasco & Colquijirca Choquelimpie...Cerro Colorado Collahuasi dist. Bau Batu Hijau El Abra Cabang Kiri Chuquicamata dist. Koloula Frieda...Wafi-Golpu Gaby El Salvador Potrerillos Marte & Caspiche Taca Taca Bajo Bajo de la Alumbrera (Farallón |  | | Journal (article/letter/editorial) | | epithermal mineralization in the Colquijirca mining district, central Peru Received: 28 August 2002 / Accepted:...Cordilleran base metal ores in the northern part of the district (Smelter and Colquijirca) at 10.6–10.8 Ma. The...the two mineralization types in the Colquijirca district indicates they were formed by different hydrothermal...Æ L. Fontboté Section des Sciences de la Terre, Université de Genève, Genève, Switzerland E-mail:...+41-22-320-5732 M. Cosca Institut de Minéralogie et Pétrographie, Université de Lausanne, Lausanne, Switzerland |  | | Journal (article/letter/editorial) | | well as K alunite, Al phosphate-sulfate minerals, zunyite, diaspore, topaz, corundum, and andalusite. A reconnaissance...Elevation is about 1,100 m and the relief in the district is minimal (<20–30 m). The geologic map (Fig....later thermal effects from the plutons in the district, has deformed and obliterated many of the early...phosphate-sulfate minerals, pyrophyllite, diaspore, zunyite, topaz, corundum, andalusite, kaolinite, and dickite...minor deep zones of alunite, pyrophyllite, topaz, zunyite, diaspore, and kaolinite-dickite alteration associated |  | | Report (issue) | | assemblages which are pyriterich such as at El Salvador, Chile; Rodalquilar, Spain and Goldfield, Nevada...steam-heated environments, such as those at the Tolfa district, Italy and Marysvale, Utah, and numerous modern...pyrite and possibly PO4 analogs of alunite, and zunyite, and later gold, pyrite and enargite. Acidsulfate...stages in the porphyry-copper deposit at El Salvador. Chile. In the examples studied, magmatic-hydrothermal...by reconnaissance data on samples from several mining districts and predictions about the origin of the |  | | Journal (article/letter/editorial) | | Lepanto (Hedenquist et al., 1998) as well as El Indio, Chile (Jannas et al., 1990), plus at similar highsulfidation...Iwojima is an island ~50 km south of the Nansatsu district that has been active volcanically for at least...occurrence of diaspore and andalusite plus topaz and zunyite (Kiyosaki et al., 2003, 2006; Taguchi et al., 2017)...deeper intrusions (e.g. examples in Chile, such as in the El Salvador, Collahuasi, and Escondida porphyry...of diaspore and andalusite as well as topaz and zunyite (Kiyosaki et al., 2003, 2006; Taguchi et al., 2017) |  | Masterman, G. J., Cooke, D. R., Berry, R. F., Walshe, J. L., Lee, A. W., Clark, A. H. (2005) Fluid Chemistry, Structural Setting, and Emplacement History of the Rosario Cu-Mo Porphyry and Cu-Ag-Au Epithermal Veins, Collahuasi District, Northern Chile. Economic Geology, 100 (5) 835-862 doi:10.2113/gsecongeo.100.5.835 | Journal (article/letter/editorial) | | Cu-Ag-Au Epithermal Veins, Collahuasi District, Northern Chile GLENTON J. MASTERMAN,†,* DAVID R. COOKE...JOHN L. WALSHE, CSIRO Division of Exploration and Mining, P.O. Box 1130, Bentley, Western Australia 6102...deposit is located in the Collahuasi district of northern Chile. It comprises high-grade Cu-Ag-(Au) epithermal...the core of a porphyry Cu-Mo orebody. Rosario has mining reserves of 1,094 million metric tons (Mt) at 1...1,022 Mt at 0.93 percent copper occurs in the district at the nearby Ujina and Quebrada Blanca porphyry |  | | Report (issue) | | 14 1. 2. 3. 4. 5. Asbestos ore Lead ore, Balmat mine, N. Y. Chromite-chromium ore, Washington Zinc ore...Survey in accordance with the provisions of the Mining and Minerals Policy Act of 1970 (Public Law 91-631...discovered or not currently profitable to mine. The mining of mineral deposits, once discovered, depends...________________———— Utah __________________________ Marysvale district (Piute and Sevier Counties) Southern Wah Wah Mountains..._____________________—— Bolivia —_—_____————————————— Chile _______________________ Peru ____________________———— |  | | Book (volume) | | University with a B.Sc. Honours. He completed his PhD in Mining Geology in 1979 at Imperial College, London. His...contributions to economic geology. Stints with Palabora Mining Company, JCI and Anglovaal added to Ross’ southern...After moving to Australia in 】 979, Ross, as a District Manager with CRA Exploration, led the team that...existence o f a new unconformity-vein style uranium province in the Proterozoic of the Great Sandy Desert............................................ 65 T he El T eniente M egabreccia D eposit，th e W o rld ’s L |  | | Journal (article/letter/editorial) | | the Kalamazooportionof the San Manuel-Kalamazoo district,Pinal County,Arizona, has presentedan unparalleledopportunityfor...drilling(Lowell,1968) of the Kalamazoo portionof the district and in exploitationof the San Manuel portion....roughlyconalteration-mineralization zoning in these large de- centric zonal patterns. The deposit is generally...montmorillonite,quartz-kaolin, or quartz-sericite and zunyite,and quartz-coarse sericite-K4eldspar,content in...cp-gal,sl Au-Ag' VEINS VEINS PERIPHERAL cp-gel-el Au-Ag VEINLETS DISSEMII• ED DISS '4- MICRO VLTS |  | | 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...History of the Río Blanco-Los Bronces District, Central Chile: Development of World’s Greatest Known...Chuquicamata District, Northern Chile Geologic Overview of the Escondida Porphyry Copper District, Northern...Northern Chile Geology of the Bingham Canyon Porphyry Cu-Mo-Au Deposit, Utah Geology and Exploration Progress |  | | Report (issue) | | Curso de Accion de un taller sobre Desarrollo de Recursos Minerals, Energla, y Agua y Mitigacion de Riesgos...Development Preparado con Ia cooperacion de Ia Agencia para el Desarrollo lnternacional Errata for Circular...contratista para el U.S. Geological Survey, contienen series errores que alteran las ideas de los autores...hacen que el texto sea confuse. Para evitar esos errores se debe considerar como valido el texto original...indica a continuaci6n Ia lista de autores par arden alfabetico con el idioma del texto original. Ashley |  | Burrows, David R., Rennison, Michael, Burt, David, Davies, Rod (2020) The Onto Cu-Au Discovery, Eastern Sumbawa, Indonesia: A Large, Middle Pleistocene Lithocap-Hosted High-Sulfidation Covellite-Pyrite Porphyry Deposit. Economic Geology, 115 (7). 1385-1412 doi:10.5382/econgeo.4766 | Journal (article/letter/editorial) | | Benavides, 2010; Cerpa et al., 2013) and Pascua Lama in Chile and Argentina (Chouinard et al., 2005). A few deposits...to 2% Cu and a few g/t Au; an exception was El Indio, Chile, with locally bonanza gold grades (Jannas et...portion of Sumbawa Island in West Nusa Tenggara province, Indonesia, within the Hu’u 7th generation Contract...hectares (Figs. 1, 2). It is held by PT Sumbawa Timur Mining, a company owned 80% by Eastern Star Resources...200- to 400 × 400-m centers (P.T. Sumbawa Timur Mining, 2020). The limits of this mineralized envelope |  | | Report (issue) | | need for a compilation of Spanish geological and mining terminology that goes beyond the few Spanish-English...terms, which have grown out of five centuries of mining tradition in Latin America, and frequently draw...California Bolivia Brazil California Central America Chile chemistry Colombia crystallography Cuba Ecuador...Bolivia Brasil California (EE.UU.) America Central Chile quimica Colombia cristalografia Cuba Ecuador frances...estadistica Santo Domingo levantamiento suroueste de las EE. UU. Uruguay Estados Unidos variedad verbo |  | | Journal (article/letter/editorial) | | enargiteluzonite Cu-Au deposit in Mankayan, Benguet Province, Philippines. The principal orebody consists of...CuAu deposit in the Mankayan Mineral District, Benguet Province, northern Luzon, Philippines (e.g., Gonzalez...Solomon Islands defines a significant metallogenic province. The Philippine archipelago is situated in the...widely distributed in the western part of the district on the western flanks of the Luzon Central Cordillera...rocks. The Philippine Fault gets split in this district, resulting in numerous NW-SE and conjugate NE-SW |
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