 | | Journal (article/letter/editorial) | | of the Central American Cordillera (Western El Salvador) H. G. DILL,† H.-R. BOSSE, Federal Institute... Germany Abstract The western provinces of El Salvador, which are covered almost exclusively by igneous...are characterized by the presence of alunite-, woodhouseite-, and crandallite-group minerals and some minerals...of fundamental economic importance as well. El Salvador offers favorable conditions to tackle this problem...1). The nonmetallic argillaceous deposits in El Salvador are of small size, but their mineralogy is diverse |  | | 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...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...HEDENQUIST 70 W 68 W Quebrada Blanca (35) Rosario (33) El Abra (37) Radomiro Tomic (34-32) Chuquicamata (33 |  | Quang, C. X., Clark, A. H., Lee, J. K. W., Guillen B., J. (2003) 40Ar-39Ar AGES OF HYPOGENE AND SUPERGENE MINERALIZATION IN THE CERRO VERDE-SANTA ROSA PORPHYRY Cu-Mo CLUSTER, AREQUIPA, PERU. Economic Geology, 98 (8) 1683-1696 doi:10.2113/gsecongeo.98.8.1683 | Journal (article/letter/editorial) | | for at least 800 km in southern Peru and northern Chile (Fig. 1a). Centered at latitude 16°33' S, longitude...Phelps Dodge Copper Corporation (82.5%) and Compañía de Minas Buenaventura (9.2%). SXEW recovery attained...Pitcher et al., 1985). Age relationships in the district are, in part, defined through U-Pb zircon (62–67...( na) N 8170000 Arica 20°S Cerro Colorado CHILE 70°W Spence 66°W N 8169000 E 224000 SURF-112...southern Peru and northern Chile. B. Local geology of the Cerro Verde-Santa Rosa district, showing the locations |  | | Journal (article/letter/editorial) | | Alumino-phosphates-sulfates (woodhouseite, Sr-rich woodhouseite and Sr-Ce-rich woodhouseite) are present as pseudocubic...Episodic magmatic-hydrothermal activity in the district is characterized by several stages of advanced...aluminum-phosphates-sulphates (APS) minerals (e.g. woodhouseite, svanbergite, florencite) (MEYER & HEMLEY 1967...Summitville, USA, La Granja, Peru, La Escondida, Chile (STOFFREGEN & ALPERS 1987), Valence Mountains and...ricite+pyrophyllite+diaspore+APS minerals (Ca svanbergite, Sr woodhouseite, Pb-Ca-Ba svanbergite, cerian crandallite and |  | | Journal (article/letter/editorial) | | of near-surface ore mineral assemblages: “chapeau de fer”, “Eiserner Hut”, “canga”, “gossan”. Collective...and vanadocrete (vanadate). Panczner 1987 Tajo Mine, Hidalgo del Parral, Chihuahua, Mexico Panczner...mineralization, on waste dumps or within impoundments of the mining site. Morphoclimatic zones: the climate referred...jarosite. REEwoodhouseitesvanbergite gypsum woodhouseite svanbergite svanbergitewoodhouseite s.s.s alunite...gorceixite K- jarosite florencite Na-jarosite woodhouseite svanbergite alunogen aluminite alunite brochantite |  | | Journal (article/letter/editorial) | | Colorado Porphyry Copper Deposit, I Región, Northern Chile FARHAD BOUZARI† AND ALAN H. CLARK Department of...the initiation of the Incaic orogeny in northern Chile. An age of 35.26 ± 0.68 (2σ) Ma for alunite associated...Evidence from Cerro Colorado and elsewhere in northern Chile (e.g., Spence and Angelina) confirms that Paleocene...emplaced along the Domeyko fault system (e.g., El Salvador) may similarly have been upgraded during the...Cenozoic supergene metallogenic epoch in northern Chile, ca. 20 or even 30 m.y. in duration, which attained |  | | Journal (article/letter/editorial) | | cerian crandallite occurring as cores within woodhouseite, as well as Pb-Ca-Ba svanbergite occurring as...al. 1998), Maricunga, Chile (MUNTEAN & EINAUDI 2001), Nevados de Famatina, Chile (PUDACK et al. 2009)...described in several porphyry systems, e.g. El Salvador, Chile (WATANABE & HEDENQUIST 2001), Hugo Dummett...2009), Resolution, USA (WINANT 2010), Yerington district, USA (LIPSKE & DILLES 2000), Rosia Poieni, Romania...Summitville, USA, La Granja, Peru, La Escondida, Chile (STOFFREGEN & ALPERS 1987), Valence Mountains and |  | | 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 |  | Ossandon C., G., Freraut C., R., Gustafson, L. B., Lindsay, D. D., Zentilli, M. (2001) Geology of the Chuquicamata Mine: A Progress Report. Economic Geology, 96 (2) 249-270 doi:10.2113/gsecongeo.96.2.249 | Journal (article/letter/editorial) | | of the Chuquicamata Mine: A Progress Report GUILLERMO OSSANDÓN C., CODELCO-Chile, Gerencia Exploraciones...Santiago, Chile ROBERTO FRÉRAUT C., CODELCO-Chile, Superintendencia Geología, Chuquicamata, Chile LEWIS... DARRYL D. LINDSAY, SRK Consultores, Santiago, Chile AND MARCOS ZENTILLI Department of Earth Sciences...Canada B3H 3J5 Abstract Chuquicamata, in northern Chile, is the world’s greatest copper orebody. It was...about the 2,800-m elevation in the Atacama Desert of northern Chile, some 240 km northeast of Antofagasta |  | | Journal (article/letter/editorial) | | Perama Hill deposit was found by Thracean Gold Mining S.A. in 1995. The indicated mineral resources of...geology During the Tertiary, the Rhodope metamorphic province in Bulgaria and Greece underwent a penetrative...magmatic-hydrothermal mineralization (Dinter and Royden 1993; De Boorder et al. 1998; Christofides et al. 1998; Kilias...Vardar-Izmir-Ankara Ocean, a hypothesis first proposed by De Boorder et al. (1998) to explain the presence of...hinsdalite (Pbrich), svanbergite (Sr-rich), woodhouseite (Ca-rich), (c) the plumbogummite group (PO4-dominant |  | | Report (chapter) | | formulas of some members of the supergroup [e.g. woodhouseite, CaAl3(PO4)(SO4)(OH)6], half of the T sites...24− + D+ ⇔ PO 34− + D2+ (20) The minerals woodhouseite and svanbergite consist of the alunite structure...Significant solid solution between alunite and woodhouseite-svanbergite has been documented by Wise (1975)...Escondida, a porphyry copper deposit in northern Chile, is somewhat richer in phosphate and Sr than are...the Temora mine in New South Wales, Australia, contain alunite, natroalunite, woodhouseite, and svanbergite |  | 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; |  | | 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 |  | 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...re advanced argillic alunite (svanbergite + woodhouseite) ± diaspore ± zunyite as breccia cement along...A later paragenesis of veinlets of alunite + woodhouseite + svanvergite + pyrite ± enargite that cut the |  | 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) | | Lepanto-Far Southeast, Philippines [5]; Maricunga, Chile [6]). Advanced argillic alteration mineral assemblages...the Hugo Dummett deposit in Mongolia [15], El Salvador in Chile [10], and Rosia Poieni in Romania [19]....best-known example is in the Kassiteres-Sapes district [22–24], where advanced argillic alteration zones...[28] and Melitena [29] prospects in the Thrace district, northeastern Greece, as well as the Fakos and...originally described from and named after the Zuni mine at Anvil Mountain, CO, USA [33]. The presence of |  | Torró, Lisard, Camprubí, Antoni, Proenza, Joaquín A., León, Paulo, Stein, Holly J., Lewis, John F., Nelson, Carl E., Chavez, Cevero, Melgarejo, Joan Carles (2017) Re-Os and U-Pb Geochronology of the Doña Amanda and Cerro Kiosko Deposits, Bayaguana District, Dominican Republic: Looking Down for the Porphyry Cu-Mo Roots of the Pueblo Viejo-Type Mineralization in the Island-Arc Tholeiitic Series of the Caribbean. Economic Geology, 112 (4) 829-853 doi:10.2113/econgeo.112.4.829 | Journal (article/letter/editorial) | | Doña Amanda and Cerro Kiosko Deposits, Bayaguana District, Dominican Republic: Looking Down for the Porphyry...Instituto de Mineralogia, Petrologia i Geologia Aplicada, Facultat de Geologia, Universitat de Barcelona...Spain de Geología, Universidad Nacional Autónoma de México, Ciudad Universitaria, 04510 Ciudad de México...Dominicana, C/ José A. Brea Peña #14, Edificio District Tower, Level 3, Ensanche Evaristo Morales, Santo...Amanda and Cerro Kiosko deposits in the Bayaguana district represent significant Au, Cu, and Ag resources |  | Deyell, C.L., Rye, R.O., Landis, G.P., Bissig, T. (2005) Alunite and the role of magmatic fluids in the Tambo high-sulfidation deposit, El Indio–Pascua belt, Chile. Chemical Geology, 215 (1) 185-218 doi:10.1016/j.chemgeo.2004.06.038 | Journal (article/letter/editorial) | | the Tambo high-sulfidation deposit, El Indio–Pascua belt, Chile C.L. Deyella,*, R.O. Ryeb, G.P. Landisb...high-sulfidation deposit, located within the El Indio–Pascua belt in Chile, produced almost 25 t (0.8 M oz) of...Episodic magmatic-hydrothermal activity in the district occurred over at least 4 my and is characterized...climatic and physiographic conditions specific to the El Indio–Pascua belt during the Middle to Late Miocene...Elsevier B.V. All rights reserved. Keywords: Alunite; El Indio–Pascua belt; Tambo deposit; Acid-sulfate; Stable |  | | Journal (article/letter/editorial) | | porphyry system is located in the Mankayan mineral district of northern Luzon, Philippines (Hedenquist et...of hydrothermal mineralization. Following early mining, first by the Igorots during the Ming dynasty and...was mined underground by the Lepanto Consolidated Mining Company (LCMC); this took place initially from...from 1936 until World War II, when Mitsui Mining operated the mine, and then again by LCMC from 1948 to 1996...98 holes from the 700 m level (mL) of the Lepanto mine. This study confirmed an inferred resource of 892 |  | | Journal (article/letter/editorial) | | Institut, Universität mi9a004@mineralogie. uni-hamburg. de Hamburg, D-20146, Hamburg, ΠΕΡΙΛΗΨΗ Για πρώτη...(Hedenquist et al. 1998), Baquio district/Φιλιππίνες (Aoki et al. 1993), El Salvador/Χιλή (Watanabe & Hedenquist...Bajnoczi, B., Nagy, G., and Seres-Hartai, E., 2003. Woodhouseite in the advanced argillic alteration zones of...of the alunite group from the Coquimbo region, Chile. Amer. Mineral., 77,1275-1284. Michael, C, Perdikatsis...589-592. Stoffregen, R.E., and Alpers, C.N., 1987. Woodhouseite and svanbergite in hydrothermal ore deposits: |  | | Journal (article/letter/editorial) | | Veladero High-Sulfidation Epithermal Gold Deposit, El Indio-Pascua Belt, Argentina: Geochronology of Alunite...and Thomas Monecke3 1 Department 2 Mineral of Mining Engineering, Colorado School of Mines, 1600 Illinois...gold deposit is located near the northern end of the El Indio-Pascua metallogenic belt in Argentina. New...obtained at four mineralized centers in the Veladero district: the Amable and Filo Federico orebodies that compose...mineralization were episodic, and activity in the Veladero district occurred over a period of approximately 3 m.y |  | | 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) | | Chipilapa (El Salvador), Pantelleria (Italy), Tendaho (Ethiopia), and Berlin (El Salvador). These are...the circum-Pacific Rim fold belts (El Salvador, Peru, Bolivia, Chile, and Indonesia), showed that the interrelationship...fraction in the Chipilapa geothermal system (El Salvador, Central America). J. Volcanol. Geotherm. Res...Res. 1998, 86, 253–276. [CrossRef] Robinson, D.; de Zamora, A.S. The smectite to chlorite transition...transition in the Chipilapa geothermal system, El Salvador. Am. Mineral. 1999, 84, 607–619. [CrossRef] Mas, A.; |  | | Journal (article/letter/editorial) | | massive sulfide deposits in the Tongling district, Anhui Province—Xu Wenyi, Hou Zengqian, Yang Zhusen, Shi...disseminated gold deposits in southwestern Guizhou province, China—Bao Zhiwei, Zhao Zhenhua, and Jayanta Guha...diagenetic origin of Al phosphate-sulfate minerals (woodhouseite and crandallite series) in terrestrial sandstones...the waste rocks of the abandoned Seobo tungsten mine, Korea—Pyeong-koo Lee, Min-Ju Kang, Sang-Hoon Choi...and J. Brendan Murphy 17 31 BULLETIN DE LA SOCIETE GEOLOGIQUE DE FRANCE Vol. 176, No. 4, 2005 Microbially |  | | Journal (article/letter/editorial) | | Magmatic-Hydrothermal Systems in the Jozankei-Zenibako District, Southwest Hokkaido, Japan Yasushi WATANABE* and...to magmatic intrusions in the Jozankei-Zenibako district, southwest Hokkaido are examined, based on field...from ca. 11 Ma to 8.5 Ma and after 7.5 Ma in the district. Age-data compilation shows that the major advanced...Hokkaido, including those in the Jozankei-Zenibako district, formed during the periods from 9.7-6.5 Ma and... 1996) have revealed that ore deposits in the district formed mostly in the Pliocene and Pleistocene |  | Kovács, Ivett, Németh, Tibor, Kiss, Gabriella B., Kis, Viktória K., Tóth, Ágoston, Benkó, Zsolt (2019) Rare aluminium phosphates and sulphates (APS) and clay mineral assemblages in silicified hydraulic breccia hosted by a Permian granite (Velence Mts., Hungary) as indicators of a high sulfidation type epithermal system. Mineralogy and Petrology, 113 (2) 217-228 doi:10.1007/s00710-018-0644-1 | Journal (article/letter/editorial) | | hydrothermal systems. APS minerals belonging to the woodhouseite solid solution series (s.s.s.) were detected...kaolinite/dickite, illite rich matrix. Alunite and woodhouseite form under acidic conditions in hydrothermal...2004). The occurrence of alunite associated with woodhouseite and pyrophyllite in the Palaeogene Volcanic...level in the PVU. Zoned APS minerals (alunite, woodhouseite and crandallite) were identified in the vugs...Formation of alunite on the rim of corroded woodhouseite was explained by the variation of the temperature |
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