 | | Journal (article/letter/editorial) | | Significance of the Supergene Orebody of the Cerro Colorado Porphyry Copper Deposit, I RegiĆ³n, Northern...Ontario K7L 3N6, Canada Abstract The 51.8 Ma Cerro Colorado porphyry Cu(-Mo) deposit is situated at 20Āŗ...Cordillera Occidental. Supergene processes at Cerro Colorado generated a complex weathering profile that...lateral dispersion of metal. Evidence from Cerro Colorado and elsewhere in northern Chile (e.g., Spence...with formation of the Lower Leached zone at Cerro Colorado. The pyrite-rich hypogene assemblages of the |  | Tsang, Debbie P.W., Wallis, Simon R., Yamamoto, Koshi, Takeuchi, Makoto, Hidaka, Hiroshi, Horie, Kenji, Tattitch, Brian C. (2018) Zircon UāPb geochronology and geochemistry of the Cerro Colorado porphyry copper deposit, northern Chile. Ore Geology Reviews, 93. 114-140 doi:10.1016/j.oregeorev.2017.12.019 | Journal (article/letter/editorial) | | UāPb Geochronology and Geochemistry of the Cerro Colorado Porphyry Copper Deposit, Northern Chile Debbie...UāPb Geochronology and Geochemistry of the Cerro Colorado Porphyry Copper Deposit, Northern Chile, Ore...UāPb Geochronology and Geochemistry of the Cerro Colorado 2 Porphyry Copper Deposit, Northern Chile...on KāAr and ArāAr ages of K-bearing alteration minerals associated with 59 ore formation. Ar-dating...this study, we examined cores extracted from Cerro Colorado, an 73 active PCD mine site that lies at |  | | Journal (article/letter/editorial) | | Affinities of a Major Porphyry Copper Deposit: The Cerro Colorado Hypogene Protore, I RegiĆ³n, Northern Chile...protore underlying the supergene orebody of the Cerro Colorado porphyry Cu (-Mo) deposit, I RegiĆ³n, Chile...alteration, 8 km2 in area but lacking sulfide minerals. At least seventy percent of the chalcopyrite...quartz-albite, sericite-chlorite-clay (smectite), quartz-sericite-clay, and andalusite-diaspore-pyrophyllite...responsible for the formation of the quartz-sericite-clay and shallow advanced argillic alteration. Subsequent |  | | Journal (article/letter/editorial) | | pyroxene and mica.ā He also mentions ārhyoliteā 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.āIndex map of part of Showing |  | 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)...transition from shallower supergene copper oxide minerals (malachite + azurite + cuprite) to deeper sulfide-stable...NiƱo (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)...Chile, Co = Colombia, NM = New Mexico (USA), Pe = Peru, Ph = Philippines, PNG = Papua New Guinea. Minorco-Anglo |  | | Journal (article/letter/editorial) | | 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...characterized by sandstone poorer in feldspar and mafic minerals, with red-brown mudstones richer in kaolinite...Juro-Triassic Giron Formation, called Cerro Gordo locally. From Cerro Gordo south, the Perico Member, 360..."fining-upward" sandbodies, characteristic of the Cerro Colorado Redbed Member of the Villavieja Formation. |  | Chinchilla, DarĆo, Ortega, Lorena, PiƱa, RubĆ©n, Merinero, RaĆŗl, Moncada, Daniel, Bodnar, Robert J., Quesada, Cecilio, Valverde, Antonio, Lunar, Rosario (2016) The Patricia ZnāPbāAg epithermal ore deposit: An uncommon type of mineralization in northeastern Chile. Ore Geology Reviews, 73. 104-126 doi:10.1016/j.oregeorev.2015.10.026 | Journal (article/letter/editorial) | | galena, chalcopyrite, pyrrhotite and Agbearing minerals (freibergite, polybasite, stephanite, pyrargyrite... ACCEPTED MANUSCRIPT pyrite, galena, Ag-bearing minerals and Pb-sulfosalts). Whole-ore geochemistry shows...(Sillitoe, 2010), and it further reappears in southern Peru (Los Chancas, Cotabambas, Antapaccay, and Ataspaca...1b). Geographically, it occurs in the TarapacĆ” Province, I RegiĆ³n, Chile, at latitude 19Ė81'S and longitude...related to the Paleocene-early Eocene belt (Cerro Colorado, Bouzari and Clark, 2002; Cotton, 2003; and |  | | Journal (article/letter/editorial) | | basin. Upper middle Eocene to lower Miocene heavy minerals, on the other hand, indicate a metamorphic/metasedimentary...densities greater than 2.89 g/cm3). These heavy minerals can reļ¬ect the source area because different rock...rock types contain different assemblages of these minerals (Morton, 1985; Hayward and Smale, 1992; Morton...often hinders the successful application of heavy minerals in provenance studies is the accuracy and consistency...consistency of identiļ¬cation of the minerals by traditional transmitted-light microscopy. Diagenetic alteration |  | | Journal (article/letter/editorial) | | high temperatures. The formation of secondary minerals in all other intrusions is mainly the product...data on amphiboles and newly formed alteration minerals to determine the conditions of alteration and...not exceeding 10 km2 in outcrop, except Cerro Colorado and Cerro Ceucis, both of which are multiintrusive...of rocks mostly from one intrusive complex (Cerro Colorado). Within the calc-alkaline group, textures...orthopyroxene, amphibole, quartz, biotite, opaque minerals and accessory apatite and sphene. Quartz contents |  | Velasco, F., Herrero, J.M., SuĆ”rez, 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) | | from their sources. The distribution of major minerals throughout the gossan proļ¬les (goethite, hematite...oxy-sulphates (goethite, hematite and several minerals belonging to the jarosite subgroup). Because of...accompanied by barite, cerussite, scorodite, clay minerals and various sulphates of the jarosite family...Mesa (Riotinto); CM, Cueva de la Mora; CC, Cerro Colorado (Riotinto); CF, Confesionarios; HE, HerrerĆas;...secondary iron-rich sulphates (mainly jarosite group minerals), sometimes overlain by zones containing secondary |  | | Journal (article/letter/editorial) | | northern NeuqueĢn Basin. At Arroyo Seco (Mendoza Province, Argentina), a large parautochthonous/autochthonous...delosSauces Volcanic NeuquĆ©n Province B uĆ©n q Piedra del Aguila . La Pampa Province . Catriel . AƱelo...AƱelo asin Neu 40Āŗ em st Sy rado a Cerro Guillermo Arroyo Seco Colo N ad nt The NeuqueĢn Basin,...(Riccardi, 1988; Legarreta and Gulisano, 1989; Province Pi 3. Geological setting . Mendoza Bardas... At Arroyo Seco (Malargue department, Mendoza Province), a new genus and species of large titanosaur |  | | Journal (article/letter/editorial) | | previously described by Ć 2013 Institute of Materials, Minerals and Mining and The AusIMM Published by Maney on...rocks in the northern and eastern parts of Cerro Colorado and the southern wall of Corta Atalaya. They...original protolith. In the western extensions of Cerro Colorado, close to the Rio TintoāAracena road, peperitic...layering in felsic porphyry, northeast wall of Cerro Colorado; B: Peperitic associations between felsic porphyry...metapelite and bedded tuff, southwest corner of Cerro Colorado; D: Thin bedded maļ¬c tuffs, north wall of Corta |  | | Report (volume) | | vein deposits located in the Cordillera Oriental, Cerro Rico de Potosi being the best example. After hundreds...that we have assessed the potential of industrial minerals in the region. This important publication will...geologic investigations of strategic and critical minerals in Latin America. Eugene Callahan and James F...mining consultants engaged by USOM to advise on the minerals situation in Bolivia (Ford, Bacon, and Davis,...southernmost part of the Altiplano, in Sud Lfpez province, and (4) first descriptions of many saline, alkaline |  | | Journal (article/letter/editorial) | | Williams, 1985;Grambling et al., 1989);and (3) Cerro Colorado,an areaof I km, in the southern Tusas Mountains...analyzed by multiple microprobe (Table 2). From Cerro Colorado, X.o.in low-calcium gartraverseswith step increments...samples by extremely fine-grainedchlorite, clay minerals, or epidote. Mdssbauer spectroscopyby M. Darby...exceptions,Milssbauer data were that small amounts of clay or chlorite were mixed with acceptedin preferenceto...Xil^/(X^h t Xr*) from coresto points Biotite from Cerro Colorado shows somewhat more near garnet rims. However |  | | Report (issue) | | porphyry copper deposits in the Cascade geologic province. .... .j................. Estimates of metal endowment...porphyry Cu deposits showing relation of o|re minerals, alteration zoning, supergene enrichment and associated...the northern spotted owl in the Cascade geologic province (fig. 1) was assessed for tracts that are permissive...of the metal endowment of the Cascades geologic province entails three basic steps: (1) delineation of...porphyry copper deposits in the Cascade geologic province. Eight million metric tons of copper are present |  | | Journal (article/letter/editorial) | | without arsenic minerals, and an arsenic-rich class, of equal size, with arsenic minerals. Tennantite-group...Tennantite-group minerals are the most frequently observed arsenic minerals; enargite/luzonite and arsenopyrite are...less common. The presence or absence of arsenic minerals does not correlate with variations in geotectonic...copper deposits, but the occurrence of arsenic minerals is closely related to hydrogen metasomatism (sericitic...reviews and discusses the occurrence of arsenic minerals in porphyry copper deposits and the geochemistry |  | | Report (chapter) | | cupriferous pyritic stockworks, such as those at Cerro Colorado 48 and La Zarza, 47 and at Avoca in Eire,...intrusion related to Andean plate margin, Michiquillay, Peru. 6t Photograph, V. F. Hollister Downloaded from...ANTAMINA t MOROCOCHA-CASAPALCA FERRO | ,MB~A~ T' NTAYA CERRO TOQt PALA" ~CUAJONE CHUQUICAMATA- C6TIC1 9 ERD~IGUELLAVECO...with phyllic (quartz-sericite-pyrite), argillic (clay-pyrite) and propylitic (chlorite--epidote) assemblages...incomplete shells around the orebody, and ore minerals" include copper and molybdenum sulphides. Where |  | | Journal (article/letter/editorial) | | the Atacama desert of northern Chile and southern Peru, are considered to have formed in a semi-arid climate...processes in the Andes of northern Chile and southern Peru has long been recognized (e.g., Segerstrom, 1963;...geochronologic study of more than 90 igneous and alteration minerals from the district. These new ages, documented...setting of the major epithermal centers of this province isolates one major component of the mineralization...the desertic Pacific slope of the central Andes of Peru and Chile (Bowman, 1916; BrĆ¼ggen, 1950), as well |  | | Journal (article/letter/editorial) | | comprises two stages (I-1 and I-2). All studied minerals exclusively contain aqueous two-phase inclusions...were determined from crushing hand-picked ore minerals from both mineralization events. With one exception...characterized by an abundance of cassiterite and sulļ¬de minerals as well as a large variety Corresponding author...2) Cerro Colorado 3) Granada pyroclastic pumices 4) Cerro Granada 5) Vilama ignimbrites 6) Cerro GalĆ”n...isotope analyses of ļ¬uid inclusions hosted in ore minerals (extracted by crushing) in order to decipher the |  | | Report (issue) | | nf l\rt~nttU iullrtttt ARIZONA BUREAU OF MINES MINERALS OF ARIZONA By FREDERIC W. GALBRAITH Second...on this data the groupings and order of these minerals have been radically changed from that appearing...years, it was deemed advisable to arrange the minerals in Bulletin 149 to conform to that appearing in...publication, have been included. For the remaining minerals, the arrangement which appears in Dana's Textbook...that information regarding the discovery of new minerals or localities which should be included in future |  | | Journal (article/letter/editorial) | | sulcretes (sulfate plus APS minerals/aluminium phosphate sulfate minerals), phoscretes (phosphates), arsenocretes...areas than common weathering products such as clay minerals for their accommodation of physico-chemically...not sharp in this group of orecretes where APS minerals (aluminium phosphate sulfate) bridge the gap between...climate, ore minerals, supergene alteration, Cenozoic. 1. Introduction Supergene minerals range from oxygen-bearing...oxygen-bearing minerals originating from natural weathering in the gossan of pre-existing minerals to artificial |  | | Report (issue) | | Inc. 3300 Penrose Place, P.O. Box 9140, Boulder, Colorado 80301 Printed in U.S.A. GSA Books Science Editor...Northern Chile; An Ordovician Continental Volcanic Province .......... 0c cece cece cence eens K.-W. Damn...America Centennial Meeting that was held in Denver, Colorado, during 30 October to 3 November 1988. The second... M. Brown (University of Maryland), R. Bruce (Colorado School of Mines), J. Cobbing (British Geological...Kiel), H. Miller (UniversitĆ©t Munchen), E. Nelson (Colorado School of Mines), R. Pankhurst (British Antarctic |  | | Book (edition) | | paper). - ISBN 0-8165-1555-7 (pbk. : alk. paper) 1. Minerals-Arizona. I. Anthony, John W (John Williams), 1920-...85 Breccia Pipes 87 Pegmatites 88 "Mine Fire" Minerals, United Verde Mine, Jerome Arizona Meteorites...museums containing Arizona mineral specimens 6 Minerals first discovered in Arizona 7 Species added to...mineral list, 1977-94 9 Minerals found at Chaco Canyon, New Mexico 20 Minerals found at other Indian dwellings...dwellings in Arizona and New Mexico 21 Minerals used as Navajo ceremonial articles 21 Porphyry copper |  | | Report (volume) | | E. Wrather, Director Bulletin 948 STRATEGIC MINERALS INVESTIGATIONS 1945 UNITED STATES GOVERNMENT...corundum deposits in the Buck Creek peridotite, Clay County, N. C., by J. B. Hadley (published in December...ā¢ā¢ā¢ā¢ā¢ā¢.ā¢..ā¢ A, Fold in chromite ore on the Cerro - Colorado claim; B, .Drag fold in chromite ore on the...pocket In pocket Facing 30 111 iv STRATEGIC MINERALS INVESTIGATIONS, 1945 Page Plate 8. 9. 10....outcrop map, sections, and projection of the Cerro Colorado chromite deposit, Siskiyou County, Calif.. |  | | Book (edition) | | technical papers. He has served as consultant to the minerals industries and was founding editor of the Digest...discovered and helped to describe several new Arizona minerals which appear in this volume. For many years he...prominent collector of fine examples of Arizona minerals, Bideaux is president of the Tucson-based international...gentlemen, whose photographic representations of minerals are appreciated as much for their sensitivity...Valley The Cameron Area 24 24 Ld 4. āMine Fireā Minerals, United Verde Mine 29 5. Arizona Meteorites |
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