 | | 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...Chalcocite, usually accompanied by supergene kaolinite and smectite, is the main ore mineral of the Lower...the initiation of the Incaic orogeny in northern Chile. An age of 35.26 ± 0.68 (2σ) Ma for alunite associated |  | García, M., Maksaev, V., Townley, B., Dilles, J. (2017) Metallogeny, structural evolution, post-mineral cover distribution and exploration in concealed areas of the northern Chilean Andes. Ore Geology Reviews, 86. 652-672 doi:10.1016/j.oregeorev.2017.01.025 | Journal (article/letter/editorial) | | Universidad de Chile. Av. Tupper 2007, Santiago, Chile. (2) Departamento de Geología, Universidad de Chile, Plaza...Plaza Ercilla 803, Santiago, Chile. (3) College of Earth, Ocean and Atmospheric Sciences, Oregon State University...known, allowing better criteria for decisions on mine concession acquisitions, plan geophysical and geochemical...Peru, at Cerro Verde-Santa Rosa, Cuajone, Quellaveco and Toquepala, whereas in northern Chile, the main...main deposits are Mocha, Cerro Colorado, Spence and Lomas Bayas (Fig. 2). The middle Eocene to early Oligocene |  | | 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...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...metasomatic exchange relationships in such systems. Cerro Colorado may, however, be representative of a subclass |  | | 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) | | pyroxene and mica.” He also mentions “rhyolite” at Cerro de la Mojonera, near Mapimi. The Ojuela mining district...limestone replacement deposits of the Mexican province* Eng. Min. Jour., vol. 122 (1926) p. 289-293....included in Plate 5 is part of a large valley province north of the Sierra de Mapimi. The most prominent...ones extending from the Parselos to northwest of Cerro Prieto, the highest peak in the district. Elevations...one road crosses the range, in a saddle between Cerro Prieto and F ig u re 1.—Index map of part of Showing |  | 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) | | OF HYPOGENE AND SUPERGENE MINERALIZATION IN THE CERRO VERDE-SANTA ROSA PORPHYRY Cu-Mo CLUSTER, AREQUIPA...JORGE GUILLÉN B. Sociedad Minera Cerro Verde S.A., Asiento Minero Cerro Verde-Uchumayo, Avenida Alfonso...Casilla 299, Arequipa, Peru Abstract The contiguous Cerro Verde and Santa Rosa porphyry copper deposits are...dates of 61.8 ± 0.7 (2σ) and 62.0 ± 1.1 Ma for Cerro Verde, and 62.2 ± 2.9 Ma for Santa Rosa, representing...identified by multiple analyses of a sample from Cerro Verde comprising alunite partially replaced by natroalunite |  | 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)...Isotopic measurements of oxygen in supergene kaolinite from Boyongan suggest that local paleometeoric...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 |  | | Journal (article/letter/editorial) | | alteration together locally with a tourmaline-pyrite-kaolinite-dickite assemblage. Tin-polymetallic veins are...formerly known as Catavi, the largest tin-producing mine in Bolivia, numerous veins have developed in the...franckeite, galena, marcasite, bismuthinite, kaolinite, siderite, vivianite, alunite, and jarosite (Bandy...level, San José mine. Specimen No. 2 contains 2M 1 sericite with small amounts of kaolinite filling cassiterite-bearing...drift 20 m above the adit of 190 m level, Morococala mine. The host rock is quartzite of the Cancañiri Formation |  | Fogliata, A.S., Báez, M.A., Hagemann, S.G., Santos, J.O., Sardi, F. (2012) Post-orogenic, Carboniferous granite-hosted Sn–W mineralization in the Sierras Pampeanas Orogen, Northwestern Argentina. Ore Geology Reviews, 45. 16-32 doi:10.1016/j.oregeorev.2011.12.001 | Journal (article/letter/editorial) | | granite in the Sierra de Mazán, the Cerro Colorado granite in the Cerro Negro, and the Los Mudaderos and...on zircons from the Cerro Colorado and La Quebrada granites, located in the Cerro Negro and Sierra de...Regional geological setting The Sierras de Velasco, Cerro Negro and Ancasti are located in the Sierras Pampeanas...of the Cerro Negro This mountain chain is located in the southeast of the Catamarca province and composed...This stock is in contact with tonalites of the Cerro Colorado (Martínez, 1978). The overlying units consist |  | García-Romero, Emilia, María Manchado, Eva, Suárez, Mercedes, García-Rivas, Javier (2019) Spanish Bentonites: A Review and New Data on Their Geology, Mineralogy, and Crystal Chemistry. Minerals, 9 (11) 696 doi:10.3390/min9110696 | Journal (article/letter/editorial) | | Clays); (2) samples from Tamame de Sayago (Zamora province) originating from the hydrothermal alteration...rocks from the Cabo de Gata volcanic area (Almería Province) in the southern part of Spain, where the three...(montmorillonite–beidellite series), and they appeared with kaolinite, quartz, and mica in all possible proportions...Iberian Peninsula; (ii) Tamame de Sayago (Zamora province), which is 250 km to the northwest of Madrid and...(iii) the Cabo de Gata volcanic area (Almeria province) in the southern part of Spain. The values of |  | | Journal (article/letter/editorial) | | of montmorillonite, illite-montmorillonite and kaolinite, with subordinate thin tan, nonconglomeratic,...the Baraya Volcanic Member (new name) and the Cerro Colorado Redbed Member (new name). INTRODUCTION General...Formation, comprised of the Baraya Volcanic and Cerro Colorado Redbed Members. La Dorada Formation Honda Basin...minerals, with red-brown mudstones richer in kaolinite than the La Dorada. The upper boundary of the...Juro-Triassic Giron Formation, called Cerro Gordo locally. From Cerro Gordo south, the Perico Member, 360 |  | Velasco, F., Herrero, J.M., Suárez, S., Yusta, I., Alvaro, A., Tornos, F. (2013) Supergene features and evolution of gossans capping massive sulphide deposits in the Iberian Pyrite Belt. Ore Geology Reviews, 53. 181-203 doi:10.1016/j.oregeorev.2013.01.008 | Journal (article/letter/editorial) | | Mesa (Riotinto); CM, Cueva de la Mora; CC, Cerro Colorado (Riotinto); CF, Confesionarios; HE, Herrerías;...mainly on oxidized exposures scattered across the province, confirm the importance of these outcrops. They...author studied the most economically significant Cerro Colorado deposit, at Riotinto. Kosakevitch et al. (1993...from massive sulphides and gossan in San Miguel mine; and Romero (2005) examined the dump and hardpans...mineralogy References Alto de la Mesa (Riotinto) Cerro Colorado (Riotinto) 1500 >1500 10 to 30 10 to 70 |  | | Journal (article/letter/editorial) | | events in the Chuquicamata porphyry copper system, Chile Peter Reynolds ) , Casey Ravenhurst 1, Marcos Zentilli...deposits of the Andes, New Developments’. Concepcion Chile, October 17–18, 1994. Proceedings 2, 1647–1651.x...largest porphyry copper systems, Chuquicamata, Chile. Accurate and precise dating are required to separate...single deposit is that of El Salvador deposit in Chile ŽGustafson and Hunt, 1975., and a wide ranging study...Ž1975. at El Salvador; Clark et al. Ž1977. at Cerro Colorado; Warnaars et al. Ž1978. at Bing- ham; Sillitoe |  | | Journal (article/letter/editorial) | | Patagonia, Argentina: response to subduction of the Chile Ridge Richard H. Sillitoe 1 Received: 22 March 2018...massif during early stages of subduction of the Chile oceanic-ridge spreading center at the Pacific margin...the Deseado massif and Atacama Desert of northern Chile was the result of Cenozoic uplift during progressive... Epithermal Au-Ag deposits . Tectonic uplift . Chile Ridge . Deseado massif Introduction Supergene sulfide...mid-Cenozoic in the Atacama Desert of northern Chile (Alpers and Brimhall 1988; Sillitoe and McKee 1996) |  | 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...that make up the Collahuasi district in northern Chile occurs within an inlier of Paleozoic basement bounded...3). Historically, mining activity focused on the Cerro La Grande, Poderosa, and Monctezuma areas where |  | | 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 |  | 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...by quartz ± alunite ± pyrophyllite ± dickite ± kaolinite ± illite, and montmorillonite ± chlorite (Steven...hosted by epithermal (e.g., Cana, Santa Rosa, and Cerro Quema deposits; Woakes, 1923; Wleklinski, 1969; |  | | Journal (article/letter/editorial) | | Católica del Norte, Avenida Angamos 0610, Antofagasta, Chile a r t i c l e i n f o Article history: Received...Salvador Potrerillos geochronology stable isotopes Chile a b s t r a c t Supergene alunite group minerals...prospect located in the Precordillera of Northern Chile (~ 26 to 26° 30´ Lat. S) have been dated by the...this work has been concentrated in the northern Chile and Altiplano transects (~ 18–20º Lat. S, Fig. 1)...CHAÑARAL Southern Atacama Desert (Puna Segment) CHILE ANTOFAGASTA TALTAL 50 68° W 27° S Fig. 1. |  | | Journal (article/letter/editorial) | | level lithocaps include natroalunite/alunite-kaolinite/dickite-pyrite bearing assemblages of both replacement-...various amounts of andalusite, pyrophyllite, kaolinite-dickite, corundum, diaspore, alunite, topaz, tourmaline...Summitville, USA, La Granja, Peru, La Escondida, Chile (STOFFREGEN & ALPERS 1987), Valence Mountains and...aluminum-phosphates-sulfates accompany alunite and kaolinite (VOUDOURIS 2011). The purpose of this contribution...containing quartz, alunite, diaspore, pyrophyllite, kaolinite and barite (ORTELLI et al. 2009). The advanced |  | | Report (issue) | | Inc. 3300 Penrose Place, P.O. Box 9140, Boulder, Colorado 80301 Printed in U.S.A. GSA Books Science Editor...RIP win asisaloneele ayaa nae AEE EOE ie ee ee Chile watts ny one aod eerie Achcherie Aste ee a eT LN...hasty sausoiuandcS art veeee ete olan iar hates Colorado Basins wicscr oe cease ia isle eeseee ogee aCe...Cretaceous marine basins were initiated in central Chile and west-central Argentina (the Andean Basin) and...uplift of the Cordillera Principal of Argentina and Chile. This uplift caused a reversal of the regional slope |  | | 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 |  | | Report (issue) | | 467 3300 Penrose Place, P.O. Box 9140 Boulder, Colorado 80301-9140, USA 2010 Copyright © 2010, The...Permissions, 3300 Penrose Place, P.O. Box 9140, Boulder, Colorado 80301-9140, USA. GSA provides this and other forums...Inc. 3300 Penrose Place, P.O. Box 9140, Boulder, Colorado 80301-9140, USA www.geosociety.org Printed in.... . . . . . . . . . . . . . . . . . . . . . 29 Chile . . . . . . . . . . . . . . . . . . . . . . . ..... . . . . . . . . . . . . . . . . . . . . . 33 Chile . . . . . . . . . . . . . . . . . . . . . . . . |  | | 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 |  | | Report (issue) | | geographical area to which the deposit belongs. 11 PROVINCE The Republic of Bolivia is divided into 9 departments...list the name of the province in which a deposit occurs. PHYSIOGRAPHIC PROVINCE The physiographic provinces...which a mine first produced. YEAR OF LAST PRODUCTION Year in which an inactive producing mine last operated...(PRESENT/LAST) Person or corporation which owns the mine or mining claims. The most recent owner is listed...OPERATOR Person or corporation which operates the mine. This may be a subsidiary or a lessee. TOTAL INVESTMENT |  | | Report (volume) | | vein deposits located in the Cordillera Oriental, Cerro Rico de Potosi being the best example. After hundreds...technical assistance to private mine operators about mineral exploration, mine development and operation,...trained to provide technical assistance to private mine operators, as well as to conduct reconnaissance...personnel were to supply guidance to small private mine operators on management and bookkeeping, service...1959, when the program ceased to grant loans to mine operators, the small staff consisted of one geologist |
|
