 | | Journal (article/letter/editorial) | | Porphyry Copper Deposit: The Cerro Colorado Hypogene Protore, I Región, Northern Chile FARHAD BOUZARI,†,* AND...supergene orebody of the Cerro Colorado porphyry Cu (-Mo) deposit, I Región, Chile, exhibits features not...quartz-sericite-clay, and andalusite-diaspore-pyrophyllite assemblages. The deposit is apparently unique...each sulfide-depositing alteration episode at Cerro Colorado was generated by a pulse of high-temperature...near-surface environment. The initial alteration at Cerro Colorado plausibly developed under conditions similar |  | | Journal (article/letter/editorial) | | dredmetersof the 12 majorporphyrycopperdeposits in Chile was substantiated furtherby Alpersand Brimhall ...supergene alunitefromthe Eseondida porphyry copper province. Indeed,perhaps onlytwoof thesemajordepositsdeposit(Fig...Salvador(Gustafsonand Hunt, 1975) in northern Chile Chile,duringthe late Oligocene to earlyMioceneinterval...0361-0128/96/1809/164-1655.00 164 CHILEAN Cu PROVINCE: OXIDATION & ENRICHMENT in controlling anyagedifferences...3' ½'*• I ß CHILE ?5 ø ,,,,)ARGENTINA ) 43.31 23 SanMiguel de Tucum•n (CERRO CAMPANA)I:::•C |  | | Journal (article/letter/editorial) | | Supergene Orebody of the Cerro Colorado Porphyry Copper Deposit, I Región, Northern Chile FARHAD BOUZARI† AND...Ontario K7L 3N6, Canada Abstract The 51.8 Ma Cerro Colorado porphyry Cu(-Mo) deposit is situated at 20º...Cordillera Occidental. Supergene processes at Cerro Colorado generated a complex weathering profile that...the initiation of the Incaic orogeny in northern Chile. An age of 35.26 ± 0.68 (2σ) Ma for alunite associated...dispersion of metal. Evidence from Cerro Colorado and elsewhere in northern Chile (e.g., Spence and Angelina) |  | Masterman, G. J., Cooke, D. R., Berry, R. F., Clark, A. H., Archibald, D. A., Mathur, R., Walshe, J. L., Duran, M. (2004) 40Ar/39Ar and Re-Os Geochronology of Porphyry Copper-Molybdenum Deposits and Related Copper-Silver Veins in the Collahuasi District, Northern Chile. Economic Geology, 99 (4) 673-690 doi:10.2113/gsecongeo.99.4.673 | Journal (article/letter/editorial) | | Copper-Silver Veins in the Collahuasi District, Northern Chile GLENTON J. MASTERMAN,†,* DAVID R. COOKE, RON F....Inés de Collahuasi SCM, Pedro Lagos 1090, Iquique, Chile Abstract The Rosario and Ujina porphyry Cu-Mo deposits...associated with the Domeyko fault system in northern Chile. At Rosario, fault-hosted Cu-Ag–rich massive sulfide...sulfide veins are associated with pyrophyllite-alunite-quartz altered rocks. The Rosario massive sulfide...that make up the Collahuasi district in northern Chile occurs within an inlier of Paleozoic basement bounded |  | | Journal (article/letter/editorial) | | corundum-quartz-, and quartz-diaspore-topaz-APS minerals-pyrophyllite-sericite bearing assemblages occur in close...disequilibrium assemblage quartz+diaspore+topaz (± pyrophyllite sericite) formed between 285 and 320 C by...the presence of various amounts of andalusite, pyrophyllite, kaolinite-dickite, corundum, diaspore, alunite...of advanced argillic lithocaps (e.g. quartz-pyrophyllite-diaspore-corundum-topaz-APS minerals) may overprint...2014 10:28:41 118 P. C. Voudouris quartz-pyrophyllite alteration is transitional downward to porphyry-related |  | | Journal (article/letter/editorial) | | central Chile; A.J. Wilson, writ. commun., 2009) and Mo (2.5 Mt: El Teniente, central Chile; Camus, 2003)...El Teniente Mamut Grasberg-Ertsberg Ok Tedi Cerro de Pasco & Colquijirca Choquelimpie Esperanza Escondida...Escondida & Chimborazo Panguna Cerro Colorado Collahuasi dist. Bau Batu Hijau El Abra Cabang Kiri...to global-scale anomalies for Cu (e.g., northern Chile-southern Peru, southwestern North America) or Au...belt and an intra-arc fault zone: the northern Chile part of the central Andean middle Eocene to early |  | Corral, Isaac, Cardellach, Esteve, Corbella, Mercè, Canals, Àngels, Gómez-Gras, David, Griera, Albert, Cosca, Michael A. (2016) Cerro Quema (Azuero Peninsula, Panama): Geology, Alteration, Mineralization, and Geochronology of a Volcanic Dome-Hosted High-Sulfidation Au-Cu Deposit. Economic Geology, 111 (2) 287-310 doi:10.2113/econgeo.111.2.287 | Journal (article/letter/editorial) | | ECONOMIC GEOLOGISTS Vol. 111 March–April No. 2 Cerro Quema (Azuero Peninsula, Panama): Geology, Alteration... Geological Survey, Denver, CO 80225 Abstract Cerro Quema (Azuero Peninsula, southwest Panama) is a...maximum age of lower Eocene (~55–49 Ma) for the Cerro Quema deposit. It was probably triggered by the...outward) characterized by quartz ± alunite ± pyrophyllite ± dickite ± kaolinite ± illite, and montmorillonite...hosted by epithermal (e.g., Cana, Santa Rosa, and Cerro Quema deposits; Woakes, 1923; Wleklinski, 1969; |  | | Journal (article/letter/editorial) | | Processes in the El Indio-Pascua Au-Ag-Cu Belt, Chile and Argentina THOMAS BISSIG,* ALAN H. CLARK,† JAMES...erosion surfaces of the Atacama desert of northern Chile and southern Peru, are considered to have formed...on supergene processes in the Andes of northern Chile and southern Peru has long been recognized (e.g...Indio-Pascua gold-silver-copper belt which straddles the Chile-Argentina frontier along the tectonic and physiographic...formed the geochronologic 971 972 BISSIG ET AL. Chile Antofagasta PE R U -C Puna Tucumán La Coipa |  | | Journal (article/letter/editorial) | | Porphyry copper deposits account for 60% of the world's mine production of copper and constitute 80% of ore reserves...Sutherland Sutherland Sutherland Sutherland Panama 7. Cerro Colarado X Kesleretal. (1977), Linn et al. (1981)... La Granja SA 39. 40. Rosa 41. 42. Antamina Cerro Verde-Santa References Langlois (1978) 4 Titley... 43. Quellaveco 44. Michiquillay X X X Chile 45. Cerro Blanco 46. Chuquicamata SAI X SAI S X ...(Samame Boggio, 1980), Tintaya (Samame Boggio, 1980) Chile: Andacollo (Llaumett P. et al., 1975), 2 Los Pelambres |  | 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 Indio–Pascua Au (-Ag, Cu) Belt, 29°20′–30°30′ S. International Geology Review, 43 (4) 312-340 doi:10.1080/00206810109465016 | Journal (article/letter/editorial) | | Canada b Barrick Chile Ltda. , Barrio Industrial Late 58, Alto Penuelas, Coquimbo, Chile Published online:...HEATHER Barrick Chile Ltda., Barrio Industrial Late 58, Alto Peñuelas, Coquimbo, Chile Abstract Ninety-three...hypabyssal intrusions; (4) the 14-17 Ma, andesitic, Cerro de las T6rtolas Formation and its intrusive lithodeme...Formation; and (8) the recently defined rhyolitic 2 Ma Cerro de Vidrio Formation. Magmatic activity decreased...decreased markedly following the eruption of the Cerro de las T6rtolas Formation. Hydrothermal activity occurred |  | Braxton, D. P., Cooke, D. R., Ignacio, A. M., Rye, R. O., Waters, P. J. (2009) Ultra-Deep Oxidation and Exotic Copper Formation at the Late Pliocene Boyongan and Bayugo Porphyry Copper-Gold Deposits, Surigao, Philippines: Geology, Mineralogy, Paleoaltimetry, and their Implications for Geologic, Physiographic, and Tectonic Controls. Economic Geology, 104 (3) 333-349 doi:10.2113/gsecongeo.104.3.333 | Journal (article/letter/editorial) | | Geological Survey, P.O. Box 25046, MS 963, Denver, Colorado 80225, USA American Exploration (Philippines)...Niño (Ph) Atlas (Ph) Aya Aya (Ph) Salatan (Ph) Cerro Verde-Santa Rosa (Pe) Kingking (Ph) Rio Blanco...Chuquicamata (Cl) Inspiration (Az) Toquepala (Pe) Cerro Colorado (Cl) Ok Tedi (PNG) El Abra (Cl) Mocoa (Co)...Locality abbreviations: Az = Arizona (USA), Cl = Chile, Co = Colombia, NM = New Mexico (USA), Pe = Peru... Thickness (m) 0361-0128/98/000/000-00 $6.00 336 Peru Cerro Verde-Santa Rosa 150 Cuajone 120 Quellaveco 80 Toquepala |  | | 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...absorption features at 2.17 and 2.20 μm, and pyrophyllite has a narrow, intense absorption feature at...Berger and others, 2003). Alunite, kaolinite, pyrophyllite, and muscovite were mapped at the Red Mountain |  | | 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 |  | Hodges, C.A., Cox, D.P., Singer, D.A., Case, J.E., Berger, B.R., Albers, J.P. (1984) U.S. Geological Survey-INGEOMINAS mineral resource assessment of Colombia. Open-File Report Vol. 1984 (84-345) US Geological Survey doi:10.3133/ofr84345 | Report (issue) | | basins. Excellent potential exists for discovery of Colorado Plateau-type channel deposits, localized by organic...other sulfides in volcanic rocks showing strong pyrophyllite or alunite alteration Deposits are characteristically...continental crust. Laterite deposits being mined at Cerro Matoso, in the department of Cordoba, contain 2...prospecting for chromite deposits in CamagUey Province, Cuba: Geophysics, v. 22, no. 4, p. 848-869. ____...gravity surveys to chromite exploration in Camaguey Province, Cuba, in Geological Survey Research in 1960: |  | | Report (issue) | | California___________________________________________ 67 Colorado-------------------------------------------- 71...arranged alphabetically by country and State or Province; the deposits are numbered sequentially within..."Metallo" derives from the Greek "metalleion"-a mine, after "metallan"-to search for; hence, metallogenic...UTh 10 dark brown Mn AI Kyanite group Pyrophyllite Talc 11 black s FeS Rare earths Diamond...Platinum group Potassium (K2 0) Pyrite (FeS2 ) Pyrophyllite Rare earths (RE2 0 3 ) Silver Sodium (salts) |  | | Report (issue) | | 1. A.-Ore deposition and enrichment at the Magma mine, Superior, Arizona: Am. Inst. Min. Eng., Trans....flakes at the Empire mine, and as small masses of wire silver, Flora Morrison mine. Bisbee district, in...chalcocite, more rarely with halloysite. Commonwealth mine, Pearce, with cerargyrite, embolite, and jarosite...at the Continental mine, as stout wires in the oxidized ore of the Old Dominion mine. Fine specimens from...of the Silver Butte mine. Graham County.-Aravaipa district, at the La Clede mine. MINERALS OF ARIZONA |  | | Book (edition) | | MINERALOGY OF ARIZONA • Wu!fenite. Red Cloud mine, Si/...District, Cochise County 70 The Mammoth-St. Anthony Mine, Tiger, Pinal County 78 Uranium and Vanadium Deposits...Breccia Pipes 87 Pegmatites 88 "Mine Fire" Minerals, United Verde Mine, Jerome Arizona Meteorites PART...uranium and vanadium deposits; "mine fire" minerals at the United Verde mine in Jerome; and Arizona meteorites...Research and Development Commission, Grand Junction, Colorado American Museum of Natural History, New York Arizona-Sonora |  | | Report (issue) | | flakes at the Empire mine, and as small masses of wire silver, Flora Morrison mine. Bisbee district, in...chalcocite, more rarely with halloysite. Commonwealth mine, Pearce, with cerargyrite, embolite, and jarosite...ca1citeat the Continental mine, as stout wires in the oxidized ore of the Old Dominion mine. Fine specimens from...of the Silver Butte mine, Graham County-Ar avaipa district, at the La Clede mine. Maricopa County-From...Picacho District. Mohave County-Cerbat Range, Distaff mine, as chunks of several pounds' weight in the deeper |  | | 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 |  | Yu, Jie, Li, Nuo, Shu, Sun-Ping, Zhang, Bo, Guo, Jian-Ping, Chen, Yan-Jing (2018) Geology, fluid inclusion and H-O-S isotopes of the Kuruer Cu-Au deposit in Western Tianshan, Xinjiang, China. Ore Geology Reviews, 100. 237-249 doi:10.1016/j.oregeorev.2017.07.016 | Journal (article/letter/editorial) | | Block (SCB), an important epithermal metallogenic province in China, hosts at least 1 high-sulfidation (HS)...deposit, 25 km south to Gongliu County, Xinjiang Province, was discovered in the early 1990s and investigated...with associated kaolinite, 18 / 38 alunite, pyrophyllite/diaspore and barite as gangue minerals and pyrite...argillic alteration (e.g., alunite, kaolinite and pyrophyllite) and ore mineral assemblage (e.g. covellite...porphyry copper deposit: The cerro Colorado hypogene protore, I region, northern Chile. Econ. Geol. 101, 497–501 |  | Rajabpour, Shahrokh, Jiang, Shao-Yong, Lehmann, Bernd, Abedini, Ali, Gregory, Daniel D. (2018) Fluid inclusion and O–H–C isotopic constraints on the origin and evolution of ore-forming fluids of the Cenozoic volcanic-hosted Kuh-Pang copper deposit, Central Iran. Ore Geology Reviews, 94. 277-289 doi:10.1016/j.oregeorev.2018.02.003 | Journal (article/letter/editorial) | | Eocene-Oligocene volcanic units in the Markazi province of northwestern Iran, about 120 km SW of Tehran...is situated about 40 km ENE of Saveh, Markazi Province (Fig. 1a), and was discovered by National Iranian...argillic alteration (kaolinite, dickite, and pyrophyllite) is extensive within the ore zones and decreases...alunite with quartz, dickite, kaolinite, or pyrophyllite. Alunite forms as euhedral to subhedral 30-...Fe-LREE distal skarn deposit, Eastern Azerbaijan Province, NW Iran. Ore Geol. Rev. 68, 79–96. Baghban, S |  | | Book (edition) | | Leigh McDonald Co\·er photo: \\ 7 ulfenite, Rowley Mine, Maricopa County, 4 cm high specimen, Evan and Melissa...material was cut parallel to the grain. The Blue Ball Mine, in Gila County, has produced thousands of azurite...quantity of this material came from the United Verde Mine at Jerome, GEMSTONES ANDLAPIDARYMATERIALS OF ARIZONA...Gila County. The Keystone Mine, the Inspiration Mine, and the Old Dominion Mine have all produced good gem-quality...the following about the material from the Keystone Mine: "It varies in color from bright to pale blue, bluish-green | | | Book (edition) | | zy MINERALOGY OF ARIZONA Wulfenite. Red Cloud mine, Silver district, Trigo Mountains, La Paz County...District, Cochise County The Mammoth-St. Anthony Mine, Tiger, Pinal County Uranium and Vanadium Deposits...Breccia Pipes 87 Pegmatites 88 “Mine Fire” Minerals, United Verde Mine, Jerome Arizona Meteorites 93 PART...uranium and vanadium deposits; “mine fire” minerals at the United Verde mine in Jerome; and Arizona meteorites...Develop- AM ASDM ment Commission, Grand Junction, Colorado American Museum of Natural History, New York Arizona-Sonora |  | | Journal (article/letter/editorial) | | account for the formation of this metallogenic province. D 2005 Elsevier B.V. All rights reserved. Keywords:...513 268.0 25.7 0.4 0.4 0.6 0.3 1.2 1.4 1.8 Cerro Colorado stockworkd Planes–San Antonio Gossan 200.0...Total tonnage of the uneconomic stockwork at Cerro Colorado is 1900–2000 Mt at 0.15%Cu and 0.07 g/t Au...conglomerate of the uppermost PQ Group. San Jorge Mine. Drillhole PG-1, 162 m; scale bar: 4 cm. (D) Sedimentary...shown that the area is highly deformed and that the mine sequence is made up of several tectonically stacked |  | | Report (issue) | | 978-0-9790998-5-4 Publisher Lithographie, LLC Denver, Colorado USA © 2009 by Lithographie, LLC P.O. Box 11613...Ph08pl,ophyllite; 5. 2 cm tall Cerro Rico, Potosi, B,atillo province, Potosi Andy Seibel col/action Jejf-SC...wp11�. Yaalte: 12.5 cm wide Siglo XX Mine, ,U� Bustillo province, Potosi Malty Zinn colkdknt (ex Marv...and Erica Van Pelt Lithographie, LLC • Denver, Colorado 60° 10 B R A S I L 14 PAZ /LAApolo 0 CRUZ...in Oruro ... 26 BY ROBERT B. COOK The Morococala Mine ............................................... |
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