| | Journal (article/letter/editorial) | Controls on Epithermal Processes in the El Indio-Pascua Au-Ag-Cu Belt, Chile and Argentina THOMAS BISSIG,* ALAN...epithermal Au-Ag-Cu deposits of the central Andean El Indio-Pascua belt, latitudes 29Ā°20' to 30Ā°30' S, were...Principal. The deposits of the Pascua-Lama, Veladero, El Indio, and Tambo districts are hosted by largely felsic...erosion surfaces of the Atacama desert of northern Chile and southern Peru, are considered to have formed...clear, empirical exploration guidelines for the El Indio-Pascua belt. However, it is further proposed that | | Bissig, Thomas, Lee, James K. W., Clark, Alan H., Heather, Kevin B. (2001) The Cenozoic History of Volcanism and Hydrothermal Alteration in the Central Andean Flat-Slab Region: New 40Ar-39Ar Constraints from the El IndioāPascua Au (-Ag, Cu) Belt, 29Ā°20ā²ā30Ā°30ā² S. International Geology Review, 43 (4) 312-340 doi:10.1080/00206810109465016 | Journal (article/letter/editorial) | Flat-Slab Region: New Ar- Ar Constraints from the El IndioāPascua Au (-Ag, Cu) Belt, 29Ā°20ā²ā30Ā°30ā² S a a...Canada b Barrick Chile Ltda. , Barrio Industrial Late 58, Alto Penuelas, Coquimbo, Chile Published online:...Region: 40 39 New Ar- Ar Constraints from the El IndioāPascua Au (-Ag, Cu) Belt, 29Ā°20ā²ā30Ā°30ā² S, International...Region: New 4 0 Ar- 3 9 Ar Constraints from the El IndioāPascua Au (-Ag, Cu) Belt, 29Ā°20'-30Ā°30' S THOMAS...HEATHER Barrick Chile Ltda., Barrio Industrial Late 58, Alto PeƱuelas, Coquimbo, Chile Abstract Ninety-three | | Peacor, Gejing Lib Donald R., Essene, Eric J., Brosnahan, David R., Beane, Richard E. (1992) Walthierite, Ba0.5[]0.5Al3(SO4)2(OH)6,and huangite, Ca0.5[]0.5Al3(SO4)2(OH)6, two new minerals of the alunite group from the Coquimbo region, Chile. American Mineralogist, 77 (11-12) 1275-1284 | Journal (article/letter/editorial) | minerals of the alunite group from the Coquimboregion, Chile Gn.rrNcLr, DoN.ll,oR. Pr.q,con,Enrc J. Essrnn Department...district and the El Indio gold, silver, and copper deposit, Coquimbo region, Chile, respectively.Walthierite...that is double that of alunite. Douof the El Indio deposit and the Tambo mining district, bling is causedby...causedby ordering of Pb2* and vacanciesin M Coquimbo region, Chile. The Ca end-member has been sites in plumbojarosite...petrological studies of a contact metamorphic Be-deposit rrKorolo 27A13(SO4)r(OH)., vacancieson the l2-fold-coordinated | | | Journal (article/letter/editorial) | Veladero High-Sulfidation Epithermal Gold Deposit, El Indio-Pascua Belt, Argentina: Geochronology of Alunite...1600 Illinois Street, Golden, Colorado 80401 Deposit Research Unit, Department of Earth, Ocean and Atmospheric...high-sulfidation epithermal gold deposit is located near the northern end of the El Indio-Pascua metallogenic belt...Filo Federico orebodies that compose the Veladero deposit, and the Argenta and Fabiana satellite centers...alunite is dated at 10.09 Ā± 0.08 Ma. At the Veladero deposit, the alteration and mineralization at the Filo | | Chouinard, A., Williams-Jones, A. E., Leonardson, R. W., Hodgson, C. J., Silva, P., Tellez, C., Vega, J., Rojas, F. (2005) Geology and Genesis of the Multistage High-Sulfidation Epithermal Pascua Au-Ag-Cu Deposit, Chile and Argentina. Economic Geology, 100 (3) 463-490 doi:10.2113/gsecongeo.100.3.463 | Journal (article/letter/editorial) | High-Sulfidation Epithermal Pascua Au-Ag-Cu Deposit, Chile and Argentina ANNICK CHOUINARD,ā Department...Nevada S.A./Barrick Chile Ltda., Barrio Industrial, Alto PeƱuelas, Sitio 58, Coquimbo, Chile Abstract The...epithermal Au-Ag-Cu deposit is located in the El Indio belt of north-central Chile and Argentina and was...and fractures, enriched the upper parts of the deposit, forming an extensive subhorizontal zone that overprints...PASCUA Au-Ag-Cu deposit is one of several high-sulfidation epithermal deposits in the El Indio belt of north | | | Journal (article/letter/editorial) | of zoned pyrite crystals from the El Indio AuāCuāAg deposit, Chile Dominique Tanner1,2 Ā· Richard W....deposition (ālate pyriteā) at the El Indio high-sulfidation AuāAgāCu deposit, Chile. We use coupled in situ sulfur...late pyrite crystal. Variations in Ī“34Spyrite at El Indio did not correspond with changes in trace element...and vugs in El Indio pyrite indicate that the trace element content of pyrite at El Indio is largely controlled...Ridge Carlin-style Au deposit (Barker et al. 2009), the Porgera fault-valve Au deposit (Peterson and Mavrogenes | | | Report (issue) | Servicio Nacional de Geologia y Mineria, Santiago, Chile Open-File Report 87- 634 1987 This report is preliminary...deposits associated with stratovolcanos in Bolivia and Chile ........................ 5. 12A 15A Distribution...northwestern Argentina, western Boliva, northern Chile, and southern Peru, are potential targets for hydrothermal...central Andean region of southern Peru, northern Chile, western Bolivia, and northwestern Argentina. The...Are'q:u:|jjjj|:;:| Morococaia 'Tv5 Los ^ ^ Frailes 20 : CHILE Antofagasta 24Ā° 24' Salta Tucuman 289 28' | | | Journal (article/letter/editorial) | Low-sulfidation Epithermal Gold Deposits of Chile Shoji KOJIMA* Abstract: In Chile the principal gold deposits of...epithermal gold deposits in continental arcs such as Chile, is an important subject not only for gold metallogeny...the South American Continent. 1. Introduction Chile has been a world-class gold producer, in addition...(or adularia-sericite type). These two styles of epithermal mineralization occur in Chile, particularly...eastern Precordillera. Additionally, in central Chile, major porphyry copper deposits (late Miocene-Pliocene) | | | Journal (issue) | +49-6221-345-4229 e-mail: subscriptions@springer.com el.: +49-6221-487-8528 Fax: +49-6221-487-68528 Business...analysed with the same methods. The tsunami deposit layer was well preserved but in many locations...reached more than 3,300 mm as measured at Phang Nga province meteorological station (Szczucinski et al. 2006)...recognition and preservation potential of the tsunami deposit layers will be discussed. Material and analytical...(Szczucinski et al 2005). Only in the cases where tsunami deposit layer was removed (usually due to cleaning actions) | | | Journal (article/letter/editorial) | THE BELLEROPHON-NELSON TELLURIDE-BEARING GOLD DEPOSIT, ST. IVES CAMP, YILGARN CRATON, WESTERN AUSTRALIA...discovered Bellerophon-Nelson telluride-bearing gold deposit at the St. Ives camp, Western Australia, is hosted...and account for at least 15% of the gold in this deposit. The mineral associations of PbCl(OH)āPb2Cl3(OH)āTeāTeO2...fluid, which formed the Bellerophon gold telluride deposit, is consistent with the involvement of magmatic...precipitation. Keywords: Bellerophon-Nelson gold deposit, St Ives, Yilgarn craton, telluride minerals, Archaean | | | Journal (article/letter/editorial) | Lepanto epithermal copper-gold deposit and the Victoria gold deposit, Mankayan Mineral District, Northern...principal ore minerals of the Lepanto copper-gold deposit are enargite and luzonite, with significant presence...The ore mineralogy of the Lepanto copper-gold deposit suggests high fS2 in the early stages of mineralization...The principal ore minerals of the Victoria gold deposit are sphalerite, galena, chalcopyrite, tetrahedrite...of the Lepanto copper-gold deposit and the Victoria epithermal gold deposit. There are spatial variations | | Liu, Jia-Jun, Yang, Long-Bo, Dai, Hong-Zhang, Yuan, Feng, Zhu, Bing-Yu (2014) Discovery and significance of Cu-Zn intermetallic compounds in the Jingxi gold deposit, western Tianshan Mountains, NW China. Geological Journal, 49 (6) 584-598 doi:10.1002/gj.2583 | Journal (article/letter/editorial) | CuāZn intermetallic compounds in the Jingxi gold deposit, western Tianshan Mountains, NW China JIA-JUN LIU1...been discovered in breccias at the Jingxi gold deposit, NW China. The host rocks, siliciļ¬ed tuff and andesite...has an over 80% Cu content. In the Jingxi gold deposit, the CuāZn intermetallic compounds occur as xenomorphic...As a result, CuāZn intermetallic minerals will deposit. Copyright Ā© 2014 John Wiley & Sons, Ltd. Received...2013; accepted 24 May 2014 KEY WORDS Jingxi gold deposit; CuāZn intermetallic compound; geological signiļ¬cance; | | | Book (edition) | . . . . . . . . . . . . . . . . . . 4.1 Roman Province (Italy): Example from a Continental Arc Setting... . . . . . . . . . . . . . 6.3.1 Ladolam Gold Deposit, Lihir Island, Papua New Guinea . . . . . . . ...3.2 Emperor Gold Deposit, Viti Levu, Fiji. . . . 6.3.3 Dinkidi Copper-Gold Deposit, Didipio, Philippines...Copper-Gold Deposit, New South Wales, Australia . . . . 6.3.5 Cadia Ridgeway Copper-Gold Deposit, New South...Copper-Gold Deposit, Mongolia . . . . . . . . . . . . . . . . . 6.3.7 Peschanka Copper-Gold Deposit, Siberia | | | Journal (article/letter/editorial) | Proximal alteration minerals Silica gangue El Indio, Chile Andesite to rhyodacite Baguio, Phillipines...Al-phosphate, sulfate, pyrophyllite Massive-vuggy silica Sericite, adularia uncommon Illite=smectiteadularia ...Ciobanu, 2004a, b), high-sulfidation deposits at El Indio, Chile (Jannas et al., 1990) and Furtei, Sardinia...2005) and the mixed high-intermediate sulfidation deposit at Kochbulak, Uzbekistan (Kovalenker et al., 1997)... rocks of the Oligocene-Miocene Greek Rhodope province (Fig. 1) (Dimou et al., 1994; Voudouris and Arikas | | 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 IndioāPascua belt, Chile. Chemical Geology, 215 (1) 185-218 doi:10.1016/j.chemgeo.2004.06.038 | Journal (article/letter/editorial) | fluids in the Tambo high-sulfidation deposit, El IndioāPascua belt, Chile C.L. Deyella,*, R.O. Ryeb, G.P.... Landisb, T. Bissigc a Mineral Deposit Research Unit, Department of Earth and Ocean Sciences, University...Tambo high-sulfidation deposit, located within the El IndioāPascua belt in Chile, produced almost 25 t...Corresponding author. Present address: Centre for Ore Deposit Research, University of Tasmania, Private Bag 79...climatic and physiographic conditions specific to the El IndioāPascua belt during the Middle to Late Miocene | | | Journal (article/letter/editorial) | producingapproximately 5 to 15 percentof the totalAu minedin the deposit. Geochemicalstudiesof samplescollectedacrosstraversesof...mineralized rock and provideda synthesisof the deposit which has served as the foundation for more recent...Summitville deposit have been described, including models for the genesisof the deposit(Perkinsand Nieman...brecciation,(4) deposition suchas in the center of the deposit,the result is a of volumetrically minor,basemetal...volcanicdomeandintersectedquartzmonzonite porphyrybelow the deposit(Endersand Coolbaugh, 1987). The quartz monzoniteintrudesthe | | | Journal (article/letter/editorial) | copperāgold deposit, Macedonia D. H. M. Alderton*1 and T. Serafimovski2 The Plavica CuāAu deposit in Macedonia...represents a high sulphidation, epithermal deposit. Although the deposit is currently considered uneconomic,...close magmatic association suggests a porphyry Cu deposit may be present at depth. Keywords: Plavica, Macedonia...inclusions Introduction The Plavica copperāgold deposit in the former Yugoslav Republic of Macedonia has...work carried out on this deposit, little has been published and the deposit is still poorly characterised | | | Book (edition) | Exploration TeamāTarget Generation QPX Chile Las Condes, Santiago Chile David I. Groves Department of Geology...new data and references from Argentina, Canada, Chile, China, Iran and the USA, including new maps and...Billiton in Perth, Singapore and Santiago, and QPX Chile in Santiago for encouraging the completion and revision...Zhiming Yang, Andi Zhang and Lin Zhang. Santiago, Chile Perth, Australia Daniel MĆ¼ller David I. Groves.... . . . . . . . . . . . . . . . . . 4.1 Roman Province (Italy): Example from a Continental Arc Setting | | | Journal (article/letter/editorial) | grades also possess > 2001 of gold (e.g. Escondida, Chile; 4501 Au), but are excluded from consideration because...a number of regional (metallogenic) and local (deposit-scale) factors that neither singly nor in combination...circum-Pacific region. o Gold-rich porphyry deposit Epithermal gold deposit Table 1 Selected geological characteristics...characteristics of large gold-rich porphyry deposits. Deposit Au Tectonic Regional Porphyry contentĀ© setting...Bingham USA Bajo de La Alumbrera Argentina Refugio Chile Cadia Hill Australia Panguna PNG OkTedi PNG Grasberg | | Voudouris, Panagiotis Christos, Melfos, Vasilios, Spry, Paul G., Moritz, Robert, Papavassiliou, Constantinos, Falalakis, George (2011) Mineralogy and geochemical environment of formation of the Perama Hill high-sulfidation epithermal Au-Ag-Te-Se deposit, Petrota Graben, NE Greece. Mineralogy and Petrology, 103 (1) 79-100 doi:10.1007/s00710-011-0160-z | Journal (article/letter/editorial) | Perama Hill high-sulfidation epithermal Au-Ag-Te-Se deposit, Petrota Graben, NE Greece Panagiotis Christos...Springer-Verlag 2011 Abstract The Perama Hill deposit is a high-sulfidation AuAg-Te-Se epithermal system...of the Petrota graben, northeastern Greece. The deposit evolved from an early stage silica-pyrite rock...altaite and electrum. Quartz, barite, kaolinite, sericite and minor aluminum-phosphate-sulfate minerals...gold assemblage associated with quartz-barite-sericiteĀ±alunite veins (St Demetrios-Viper/Sapes, Pefka | | | Report (issue) | .......................................... R5 Deposit Types............................................mineral occurrences discussed in the text, by deposit type.............................................0.03527 0.03215075 32.15075 2.205 1.102 0.9842 Deposit grade 0.0291667 Pressure 10 10,000 Density 62.4220...short (2,000 lb) 0.9072 ton, long (2,240 lb) 1.016 Deposit grade ounce per short ton (2,000 lb) (oz/T) 34...given in microcuries per milliliter (Ī¼Ci/mL). Deposit grades are commonly given in percent, grams per | | | Book | . . . 4.1 4.1.1 4.1.2 4.1.3 4.1.4 4.2 Roman Province ~taly): Example from a Continental Arc Setting... . Ladolam Gold Deposit, Lihir Island, Papua New Guinea . . . . Emperor Gold Deposit, Viti Levu, Fiji...Fiji . . . . . . . . . Goonumbla Copper-Gold Deposit, New South Wales, Australia . Continental Arc Associations... . Bajo de la Alumbrera Copper-Gold Deposit, Catamarca Province, Argentina . . . . . . . . . . . . ..... Bingham Copper Deposit, Utah, USA . . . . . . . . . El Indio Gold Deposit, Chile . . . . . . . . . | | Plotinskaya, O. Yu., Groznova, E. O., Kovalenker, V. A., Novoselov, K. A., Seltmann, R. (2009) Mineralogy and formation conditions of ores in the Bereznyakovskoe ore field, the Southern Urals, Russia. Geology of Ore Deposits, 51 (5) 371-397 doi:10.1134/s1075701509050031 | Journal (article/letter/editorial) | daciticāandesitic tuff and are accompanied by quartzāsericite hydrothermal alteration. Three ore stages are...Central Bereznyakovskoe deposit toward the Southeastern Bereznyakovskoe deposit: enargite, tennantite,...Central Bereznyakovskoe deposit toward the Southeastern Bereznyakovskoe deposit. Thus, the Central Bereznyakovskoe...Bereznyakovskoe deposit was located in the center of an epithermal high-sulfidation ore-forming system....Au/Ag ratio, and AuāCu specialization of this deposit, it is rather deeply eroded. The ore mineralization | | | Journal (article/letter/editorial) | Richards 2001; Sillitoe and Hedenquist 2003). The two deposit types are geologically distinct, but partly share...centres in certain segments of magmatic arcs. Both deposit types seem to form in crustal tectonic settings...a given erosion level (Sillitoe 1994). The two deposit types may be almost coeval within the resolution...Hedenquist et al. 1998; Kouzmanov et al. 2003). QuartzāsericiteāpyriteĀ±chalcopyriteĀ±anhydrite veins cutting through...characterised and contrasted with the adularia-sericite or low-sulphidation type by Heald et al. (1987) | | | Journal (article/letter/editorial) | evolution of convergent margins: Selected ore deposit models Stephen E. Kesler ) Department of Geological...slabs. q 1997 Elsevier Science B.V. Keywords: ore deposit models; metallogenic evolution; convergent margins...q1-313-7634690; e-mail: skesler@umich.edu. Ore deposit models comprise two parts, one dealing with the...the geology and geochemistry of the deposit itself and another dealing with the relation between 0169-1368r97r$17...Keslerr Ore Geology ReĆiews 12 (1997) 153ā171 the deposit and its geologic environment ŽThompson, 1993.. |
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