 | | Journal (article/letter/editorial) | | Cu-AuandAu-AgMineralization in the PotrerillosDistrict, Chile TIMOTHYM. MARSH, • AMT (USA), Inc., 7400 North Oracle...coarse-grained alunite(36.23+ 0.08 Ma) associated with diaspore, pyrophyllite, dickitc,and zunyitedemonstrates... 4øARfløAR GEOCHRONOLOGYOF CUAU& AUAGDEPOSITS,POTRERILLOS,CHILE 785 hypotheses: (1) the Cobreporphyry copperdeposit...igneous andhydrothermal minerals relatedto / .?-Potrerillos District copperand goldmineralization in sevendistinctintrusive...Location mapof thePotrerillos districtin northern Chile,show- hydrothermally alteredareasin thePotrerillos |  | | Journal (article/letter/editorial) | | Vol. 86, 1991, pp. 1187-1205 Gold Metallogeny of Chile RICHARD an Introduction H. SILLITOE 27 WestHill...poorlymineralized. Paucityof golddepositsin the coastalzoneof Chile, concentration of highsulfidationand porphyry-typedepositsin...copper and silver enrichmentin northernand central Chile which took place during the Oligoceneand early Mioceneand...CHILEhasbeena modestgoldproducerfor the last central Chile (24o-37 ø S; Flores, 1942; Ruiz et al., fivecenturies...by-product of coppermining.The 18 principal tral Chile, commonlyat altitudescloseto or greater depositsincludedin |  | Gustafson, L. B., Orquera, W., McWilliams, M., Castro, M., Olivares, O., Rojas, G., Maluenda, J., Mendez, M. (2001) Multiple Centers of Mineralization in the Indio Muerto District, El Salvador, Chile. Economic Geology, 96 (2) 325-350 doi:10.2113/gsecongeo.96.2.325 | Journal (article/letter/editorial) | | Mineralization in the Indio Muerto District, El Salvador, Chile LEWIS B. GUSTAFSON,† 5320 Cross Creek Lane, Reno...89511 WALTER ORQUERA, CODELCO-Chile, Division Salvador, El Salvador, Chile MICHAEL MCWILLIAMS, Department...AND MARCELLO MENDEZ CODELCO-Chile, Division Salvador, El Salvador, Chile Abstract The porphyries that...opyrite with sericite-andalusite-pyrophyllite-diaspore. Extending the trend to the southwest is the barren...then comprised the ore reserve for the El Salvador mine. Only minor mention was made of the separate small |  | | Journal (article/letter/editorial) | | 1975 The PorphyryCopperDepositat E1 Salvador,Chile LEWIS B. GUSTAFSON AND JOHN P. HUNT Abstract The...No. 5 The PorphyryCopperDepositat E1 Salvador,Chile Fig. 1. Aerial view of Cerro Indio Muerto, lookingwest...assemblages containing a'bundant pyrophyllite, diaspore, alunite, amorphorous material, andlocalcorundum...a THE PORPHYRY COPPER DEPOSIT AT EL SALVADOR, CHILE 859 goethiticcapping. A thin hematite-goethitc...Potrerillosmine and metallurgicalplant. Then mine superintendent Greninger, and mine geologists March, Reed, Watson |  | | Journal (article/letter/editorial) | | 1995a; Hedenquist et al., 1998) and Cobre Potrerillos, Chile (Marsh et al., 1998). In these and other...a zone of quartz-sericite-pyrite ± alunite and diaspore alteration where Cu is concentrated in turquoise...Alteration at depth comprises quartz-pyrophyllite-diaspore-illite with minor kaolinite and alunite. K silicate...about 500 k.y. (Fig. 4). Like the welldated Potrerillos and Lepanto-Far Southeast systems (Marsh et al...Cu-Au and Au-Ag mineralization in the Potrerillos district, Chile: ECONOMIC GEOLOGY, v. 92, p. 784–806 |  | | Journal (article/letter/editorial) | | HYPOGENE ALUNITE FROM THE EL SALVADOR DISTRICT, CHILE, INDICATES POTENTIAL FOR A BLIND PORPHYRY COPPER...from the El Salvador porphyry copper district of Chile were recently dated. One alunite sample over the...deposits in the remote El Salvador district of Chile began with Old Camp in 1951 and the much larger...Formation) Fault El Salvador (42) Reverse fault Potrerillos (36) Copiapo Turquoise Gulch Strike-slip fault...Fig. 1. Lithology of the El Salvador district, Chile (Cornejo and Mpodozis, 1998) and locations mentioned |  | | Journal (article/letter/editorial) | | Surface over the El Salvador Porphyry Copper Deposit, Chile YASUSHI WATANABE† Institute for Geo-Resources and...trace diaspore (including some areas rich in andalusite) and (2) muscovite with trace diaspore. There...alunite-(± aluminum phosphate-sulfate minerals)diaspore-zunyite-pyrophyllite-dickite, with residual muscovite...obtained from the samples with andalusite-muscovite-diaspore assemblage. This composition is close to that...surface over the El Salvador porphyry copper orebody, Chile (Fig. 1). Our goal is to better understand the zonation |  | 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) | | Ligarda 2004). The historical Zn–Pb–(Ag) Colquijirca mine is located further to the north and has been an...(Fig. 3), though in some cases, pyrophyllite, diaspore, and zunyite are locally important (Bendezú 2007)...alunite–quartz– sphalerite–galena–pyrite ± (kaolinite–diaspore), is solely found in portions immediately adjacent...Mineralization in the Indio Muerto District, El Salvador, Chile. Econ Geol 96:325–350 Heather K, Leach T, Clark...Staff of the Compañía Minera El Indio, Barrick Chile Ltda (2003) Geology of the El Indio Au– Cu–Ag deposit: |  | | Report (issue) | | Mountain (British Columbia, Canada) and El Teniente (Chile) porphyry copper deposits.........................deposits include El Teniente and El Salvador in Chile, Bajo de la Alumbrera in Argentina, Grasberg in...regional faults such as near deposits in northern Chile (Behn and others, 2001; Gow and Walshe, 2005), central...much as about 100°C for samples from El Teniente, Chile. When binned in 10°C intervals, the median reported...several intrusive stages related to the El Salvador, Chile, porphyry copper deposit, described fluids associated |  | | Journal (article/letter/editorial) | | ileLtda., AvenidaPedrode Valdivia295, Santiago,Chile AND RICHARD H. SILLITOE 27 WestHill Park,HighgateVillage...and 28 ø S in the Andean Cordillera of northern Chile. After 10 yearsof exploration,three preciousmetal...38-2353.00 1238 Au PORPHYRY,MARICUNGA BELT, CHILE 1239 and west of Marte which compriseadvancedargillic...central and northern Chile. The the Atacama desert. Maricungabelt in northern Chile is one of the most...north-southelon- viouslyin the Andean Cordillera of Chile. gate area, roughly200 X 50 km in extent,between |  | | Journal (article/letter/editorial) | | Porphyry Gold-Copper Deposit, Maricunga Belt, Northern Chile* RICHARD H. SILLITOE,1,† JUSTIN TOLMAN,2,** AND...the Maricunga gold-silver-copper belt of northern Chile, was discovered in 2007 beneath postmineral cover...28°S in the high volcanic Andes of the Atacama Region, northern Chile (Fig. 1). The belt, some 200 km long...-70° SILLITOE ET AL. Potrerillos Bolivia -26°30’ ESPERANZA Argentina Chile Antofagasta LA COIPA...gold and silver conducted by Minera Anglo American Chile Ltda. and joint-venture partners. However, it was |  | | Journal (article/letter/editorial) | | the Refugio District, Maricunga Belt, Northern Chile JOHN L. MUNTEAN†,* AND MARCO T. EINAUDI Department...the porphyry gold deposits of the Maricunga belt, Chile (Vila and Sillitoe, 1991). For this reason it is...prospects and deposits in the high Andes of northern Chile (Vila and Sillitoe, 1991; Fig. 1). Zones of hydrothermally...alluvium and evaporites El Indio Belt (Miocene) Peru-Chile o Bajo de la Alumbrera (Late Miocene) Santiago...Of Easter “Hot Line” 30 Santa Cecilia o Arg Chile ent ina 20 Alteration zone 500 km o 70 o Strike-slip/normal |  | | Journal (article/letter/editorial) | | Porphyry-Epithermal Transition: Maricunga Belt, Northern Chile JOHN L. MUNTEAN†,* AND MARCO T. EINAUDI Department...Pepa districts in the Maricunga belt of northern Chile contain advanced argillic alteration zones that...we investigated the Maricunga belt of northern Chile, where numerous districts have zones of advanced...in northern Chile about 700 km north of Santiago (Figs. 1, 2), is a metallogenic province of Miocene age...o 28 Copiapo Peru-Chile 30 Bajo de la Alumbrera (Late Miocene) Arg Chile ent ina 25 Alteration |  | | Journal (article/letter/editorial) | | central Chile; A.J. Wilson, writ. commun., 2009) and Mo (2.5 Mt: El Teniente, central Chile; Camus, 2003)...River dist.(Nena) Wafi-Golpu Gaby El Salvador Potrerillos Marte & Caspiche Taca Taca Bajo Bajo de la Alumbrera...to global-scale anomalies for Cu (e.g., northern Chile-southern Peru, southwestern North America) or Au...Escondida C HI B AR C A 26° El Salvador Potrerillos COPIAPÓ ARGENTINA LA SERENA 30° Lineament...belt and an intra-arc fault zone: the northern Chile part of the central Andean middle Eocene to early |  | | Journal (article/letter/editorial) | | Geologic Evolution of the Escondida Area, Northern Chile: A Model for Spatial and Temporal Localization of...has been carried out over a 745-km2 area of the Atacama Desert surrounding the porphyry Cu deposits at...and Chimborazo (Cordillera de Domeyko, northern Chile). The purpose of this study was to examine the regional...throughout much of the porphyry belt of northern Chile. Geochemically, they are I-type in character, but...giant porphyry deposits. Introduction NORTHERN CHILE is the world’s premier porphyry copper district |  | | Journal (article/letter/editorial) | | Marsh et al. (1997) showed for the Potrerillos district (Chile) that hydrothermal activity in porphyry-related...quartz, alunite, kaolinite/dickite and zunyite; diaspore and pyrophyllite are common. High-sulphidation...alteration. Coherent andesite taken from the Chelopech mine (Figs. 2 and 6a) gives an emplacement age of 91...volcanic and subvolcanic rocks outside of the Chelopech mine and the ages range from 92.22 to 91.3 Ma (Fig. 6a)...super-giant Chuquicamata copper deposit of northern Chile by ELA-ICP-MS and SHRIMP. Geology 29, 383 – 386 |  | | 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...Cenozoic supergene metallogenic epoch in northern Chile, ca. 20 or even 30 m.y. in duration, which attained...Cenozoic copper deposits and prospects in northern Chile and southern Peru cited in the text. The easterly |  | | Book | | org/details/geologyofchile0000unse The Geology of Chile • The Geologica l Society of London Books Editorial...T. & GIBBO, s, W . (eds) 2007 . The Geology of Chile. The Geological Society, London. CHARRIER, R., PINTO...the Andean Orogeo in Chile. Jn: MORENO, T. & GrnsoNs, W. (eds) The Geology of Chile. The Geological Society...Society, London, 21-114. The Geology of Chile EDITED BY TERESA MORENO Earth Sciences Institute 'J aume...Grosjean 13. Field excursion from central Chile to the Atacama De<,crt. W. Gibbons & -1. Moreno 329 |  | Vikre, P. G., Graybeal, F. T., Fleck, R. J., Barton, M. D., Seedorff, E. (2014) Succession of Laramide Magmatic and Magmatic-Hydrothermal Events in the Patagonia Mountains, Santa Cruz County, Arizona. Economic Geology, 109 (6) 1667-1704 doi:10.2113/econgeo.109.6.1667 | Journal (article/letter/editorial) | | deposits in Paleozoic carbonate rocks at the Flux mine (~71 Ma). An event at 65 to 62 Ma is marked by emplacement...a Cu-Mo breccia deposit at Red Hill (Four Metals mine), both of which formed in large-volume quartz monzonite...porphyry Cu province (e.g., Titley, 1982; Leveille and Stegen, 2012), and segments of the province contain...World’s Fair Trench Hermosa Hardshell mine and resource Three R mine and resource European Ventura Thunder... supergene enriched Mine/resource Deposit type Table 1. Significant Mine Production and Inventories |  | | Book | | mineral pigments. LEFT: Malachite, Bwana M’Kubwa Mine, Ndola, Copperbelt, Zambia * 22 x 26 x 16 cm 22...Namibia * 20 x 18 x 14 cm Bladed stibnite, Ichinokawa Mine, Saijo, Shikoku, Japan * 10 x 1 x 1 om Acicular...Brazil * 5 x 3 x 0.6 cm Platy muscovite, José Pinto Mine, Jaguaracu, Minas Gerais, Brazil * 12 x 19 x 6 cm...Malawi * 10 x 10 x 7 cm Calcite, San Sebastian Mine, Charcas, San Luis Potosi, Mexico * 10 x 8 x 6.5...divided by the weight of an Graphite, Black Donald Mine, Renfrew County, Ontario, Canada * 14 x 11 x 10 |  | | Book (volume) | | existence o f a new unconformity-vein style uranium province in the Proterozoic of the Great Sandy Desert....the largest deposits in any established porphyry province. For a discussion of the accepted terminology...localised in the U.S. “South-west”， and in northern Chile and southern Peru，and were Cu-Mo orebodies (Gilmour...Cook and Porter;all in this publication) and in Chile, Argentina and Peru in South America (see Camus;...Chuquicamata, El Abra, La Escondida and El Teniente in Chile, Cerro Colorado in Panama, Grasberg in Indonesia |  | | Book (edition) | | • t --•- """"" ' The Lornex copper-molybdenum mine and plant, Highland Valley, British Columbia. (By...measurements have been retained in specific cases such as mine levels when measured in feet, values of gold and...developing an annual ton of new copper capacity from mine through the refinery without intrastructure costs...fold in three years. As an example, the " Surface Mine Control and Reclamation Act,' ' which was initially...resources in the future.'' In 1977, a surface coal mine regulation that greatly restricts the areas of strip |  | | Book | | Radomiro Tomic Porphyry Copper Deposit, Northern Chile. Patricio Cuadra and Francisco Cam us.............Agua Rica Porphyry Cu-Mo-Au Deposit，Catamarca Province, Northwestern Argentina. Part 1 : Exploration...Rosario Copper Porphyry Deposits, CoUahuasi District Chile. Claudio Bisso B, Manuel Durdn andAquiles Gonzales...a deposit, but rather the engineering ability to mine on a large scale at low cost, and simultaneously...all within the US "South west" and in northern Chile and neighbouring southern Peru. With the exception |  | | Book (edition) | | maintain ore reserves, and in the proper location of mine workings to avoid caving ground. In the future he...descriptions. He also tells us that Hannibal had a silver mine, named the Baebulo, in southern Spain, in a mountain...amount of gold. For example, the Alaska Juneau gold mine mined with profit ores that contained only 0.00016...product. Consequently, the properties that deter¬ mine the commercial use of nonmetallic products are multitudinous...chemical analyses are sometimes made in order to deter¬ mine the quantities of other ingredients, particularly |  | | Catalog/List | | 5x2x5/8", £8.75 A/4. ADAMITE. Kameriza Central Mine, Laurium, Attica, Greece. A sparkling lime-green...5x2x1", £10.00 6. ANDRADITE GARNET. Belstone Consols Mine, Sticklepath, Devonshire. A vitreous brownishgreen...25x5/8", £15.00 12. ANDRADITE/URALITE. Cornwall Iron Mine, Lebanon Co, Colorado, U.S.A. Lustrous coffee brown...Bindheimite. 2.5x2x1.25", £5.75 18. ANTIMONITE. Hunan Province, China. A terminated, matrix-free, elongated silvery-grey...APATITE (Var: Francolite) - Holmbush Form. Holmbush Mine, Nr. Callington, East Cornwall. Vuggy Quartz/Chloritic |
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