 | Quang, C. X., Clark, A. H., W. Lee, J. K., Hawkes, N. (2005) Response of Supergene Processes to Episodic Cenozoic Uplift, PedimentErosion, and Ignimbrite Eruption in the Porphyry Copper Province of Southern Peru. Economic Geology, 100 (1) 87-114 doi:10.2113/100.1.0087 | Journal (article/letter/editorial) | | and Ignimbrite Eruption in the Porphyry Copper Province of Southern PerĆŗ CHAN X. QUANG, ALAN H. CLARK...extended northwestward through field mapping to the Cerro Verde-Santa Rosa district (ca. 16Ā° 30' S). The 40Ar-39Ar...38.8 Ma) and Posco (38.8 Ma) prospects and the Cerro Verde deposit (36.1ā38.8 Ma) demonstrate that supergene...the late Oligocene (24.4ā28 Ma natroalunite at Cerro Verde, 26ā27 Ma natroalunite at Santa Rosa, and...Miocene (23 Ma alunite and 21 Ma natroalunite at Cerro Verde, and 19.2 Ma jarosite at La Llave) and was |  | 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...this study, we examined cores extracted from Cerro Colorado, an 73 active PCD mine site that lies at...Geological Overview of the Cerro Colorado Area 82 The BHP Billiton Cerro Colorado Mine is located about |  | | 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...sulfide minerals. At least seventy percent of the chalcopyrite > pyrite stockwork mineralization was emplaced...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) | | 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 |  | | Journal (article/letter/editorial) | | 1917),are (Livingston et al., 1968)andin southern Peru(Clarket al., important processes thataffected theuppermost...supergene alunitefromthe Eseondida porphyry copper province. Indeed,perhaps onlytwoof thesemajordepositsdeposit(Fig...0361-0128/96/1809/164-1655.00 164 CHILEAN Cu PROVINCE: OXIDATION & ENRICHMENT in controlling anyagedifferences...exploration andthefundamental controls ofthe i PERU ." 0 Km 165 200 oxidation and enrichment event...)ARGENTINA ) 43.31 23 SanMiguel de Tucumā¢n (CERRO CAMPANA)I:::ā¢C. AN CAN) 24-20 14.5 "P -6614 .{- |  | 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) | | MINERALIZATION IN THE CERRO VERDE-SANTA ROSA PORPHYRY Cu-Mo CLUSTER, AREQUIPA, PERU CHAN X. QUANG,ā ALAN...JORGE GUILLĆN B. Sociedad Minera Cerro Verde S.A., Asiento Minero Cerro Verde-Uchumayo, Avenida Alfonso...Ugarte 304, Casilla 299, Arequipa, Peru Abstract The contiguous Cerro Verde and Santa Rosa porphyry copper...dates of 61.8 Ā± 0.7 (2Ļ) and 62.0 Ā± 1.1 Ma for Cerro Verde, and 62.2 Ā± 2.9 Ma for Santa Rosa, representing...identified by multiple analyses of a sample from Cerro Verde comprising alunite partially replaced by natroalunite |  | 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) | | characterized by sphalerite (6 to 15 mol.% FeS), galena, chalcopyrite, pyrrhotite and Agbearing minerals (freibergite...(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...Bolivian Andes such as Caylloma and Pallancata in Peru (EchavarrĆa et al., 2006; GamarraUrrunaga et al |  | | Journal (article/letter/editorial) | | 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...volcanic rocks Outcrops of these units in the Cerro Colorado opencut are confined to its southwestern corner |  | Fogliata, A.S., BĆ”ez, M.A., Hagemann, S.G., Santos, J.O., Sardi, F. (2012) Post-orogenic, Carboniferous granite-hosted SnāW 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 MazĆ”n, 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 (MartĆnez, 1978). The overlying units consist |  | Cooper, Frances, Adams, Byron, Blundy, Jon, Farley, Ken, McKeon, Ryan, Ruggiero, Alberto (2017) Climate change, groundwater flow, and supergene enrichment in the Central Andes: insights from (U-Th)/He haematite geochronology. Applied Earth Science, 126 (2) 49-50 doi:10.1080/03717453.2017.1306239 | Journal (article/letter/editorial) | | wetter [e.g. Chuquicamata, La Escondida, and Cerro Colorado; (Alpers and Brimhall 1988; Sillitoe and McKee...downward migration of the water table in the Cerro Colorado leached cap using (U-Th)/He haematite geochronology...ferrous-bearing minerals, such as pyrite and chalcopyrite, above the redox interface at the water table...Minerals and Mining and The AusIMM continuous at Cerro Colorado since at least ā¼31 Ma, and was broadly commensurate...significance of the supergene orebody of the Cerro Colorado porphyry copper deposit, I RegiĆ³n, northern |  | | Journal (article/letter/editorial) | | brief outline of the regional geology of this ore province is given, and the geology of three mining districts...Lousal (Portugal), La Zarza and Tharsis (Huelva Province, Spain). A close relationship between sulphide...bref aper~u de la g6ologie r6gionale de cette province metallif6re est present6, et la g6ologie de trois...copper mine was recently started at Rio Tinto (Cerro Colorado), where underneath the large stratiform Rio...pyrite deposits an epigenetic stockwork type chalcopyrite mineralization occurs in acid pyroclastics rocks |  | 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)...copper. In contrast, higher hypogene pyrite/chalcopyrite ratios (2.3) at Bayugo led to greater acid production...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) | | by significant erosion. Low sulfidation-state chalcopyrite Ā± bornite assemblages are characteristic of...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...(Sillitoe, 2005, and references therein). 72Ā° 68Ā° PERU 18Ā° ARICA BOLIVIA Collahuasi Chuquicamata El...northern Chile-southern Peru, southwestern North America) or Au (northern Peru; Sillitoe, 2008). Notwithstanding |  | | Journal (article/letter/editorial) | | Petrological and Geochemical Characteristics of the Cerro Colorado Plutonic Complex in the Precordillera of Northern...2004; accepted on January 9, 2005 Abstract: The Cerro Colorado intrusive stock in the northeastern Chilean...predominantly of pyroxene-bearing biotite monzogabbro (Colorado Unit), with lesser amounts of pyroxene-bearing...of major and trace elements suggest that the Cerro Colorado complex is composed of shoshonitic alkali granitoids...margin. The basic to intermediate rocks of the Colorado Unit are characterized by high contents of Al2O3 |  | | Journal (article/letter/editorial) | | LONGEVITY OF PORPHYRY COPPER FORMATION AT QUELLAVECO, PERU RICHARD H. SILLITOE,1,ā AND JAMES K. MORTENSEN2...Quellaveco porphyry copper-molybdenum deposit in southern Peru spans several phases of quartz monzonite porphyry...Quellaveco porphyry copper-molybdenum deposit in southern Peru, including the approximate duration of copper introduction...granodiorite, and both contain veinlet and disseminated chalcopyrite. The potassic alteration is transitional outward...2009 Accepted: June 8, 2010 1158 Peru 200 km AREQUIPA 16Ā°S Cerro VerdeSanta Rosa much of the potassic |  | | Journal (article/letter/editorial) | | (Te, Se). The last stage fluids precipitated chalcopyrite containing Cu, Bi, Te, (Se) sulphosalts at the...an exchange zone, a few metres thick, showing chalcopyrite disease textures, at the base of the mound;...discovered. The deep potential of the South Iberian Province is therefore promising and open to sophisticated...Abitibi massive sulphide belt of Lake Superior Province (Canada) with 476 Mt in 40 ore deposits (Franklin...shows abundant chalcopyrite 'disease' textures (myriads of micron-sized blebs of chalcopyrite concentrated |  | | Journal (article/letter/editorial) | | Sutherland Sutherland Sutherland Sutherland Panama 7. Cerro Colarado X Kesleretal. (1977), Linn et al. (1981)...Colombia 37. Mocoa X Peru 38. La Granja SA 39. 40. Rosa 41. 42. Antamina Cerro Verde-Santa References...Quellaveco 44. Michiquillay X X X Chile 45. Cerro Blanco 46. Chuquicamata SAI X SAI S X 48. El...Tyrone (Titley, 1982), Yerington (Titley, 1982) Peru: Chalcobamba (Samame Boggio, 1980), Pashpa (Samame...with high chalcopyrite/ pyrite ratios, and (3) an outer high-sulfide zone with low chalcopyrite/pyrite ratios |  | 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) | | 8, Domains Deposit Description Deposits of chalcopyrite, or sphalerite and galena in limestone altered... 4, 12 Deposit Description Massive pyrite, chalcopyrite, and sphalerite in or near pillow basalt and...(stockwork) containing pyrite or pyrrhotite and chalcopyrite may commonly underlie the massive sulfide. (Appendix... 3, 24 Deposit Description Massive pyrite, chalcopyrite, and sphalerite in marine volcanic rocks of...basins. Excellent potential exists for discovery of Colorado Plateau-type channel deposits, localized by organic |  | | Journal (article/letter/editorial) | | Session 150. Sillitoe RH. 2011. Comments on the Cerro Colorado and Spence hypogene models, northern Chile...wetter [e.g. Chuquicamata, La Escondida, and Cerro Colorado; (Alpers and Brimhall 1988; Sillitoe and McKee...downward migration of the water table in the Cerro Colorado leached cap using (U-Th)/He haematite geochronology...ferrous-bearing minerals, such as pyrite and chalcopyrite, above the redox interface at the water table...haematite precipitation has been continuous at Cerro Colorado since at least ā¼31 Ma, and was broadly commensurate |  | | Journal (issue) | | Stoneham Project July, 1989 GOLD āThe Dragonā Colorado Quartz Gold Mine Project January, 1998 Jeff Scovil...mineral cleaning and preparation facility in Golden, Colorado, which cleans and prepares everything from our...sequential deposition of copper sulfides ranging from chalcopyrite to bornite to chalcocite. Specimens reviewed...observed several times by this writer was of chalcopyrite in stalactitic form, sometimes a fine yellow...doubly terminated, and rest on quartz with minor chalcopyrite. Bornite Cu5FeS4 Bristol is recognized as one |  | | Report (volume) | | vein deposits located in the Cordillera Oriental, Cerro Rico de Potosi being the best example. After hundreds...southernmost part of the Altiplano, in Sud Lfpez province, and (4) first descriptions of many saline, alkaline...began to explore what was known to them as Upper Peru in the 16th century, they discovered that the Quechua...mountain chain that helps define the borders with Peru and Chile and reaches altitudes of higher than 6...and the 2-Ga-old Proterozoic Arequipa massif of Peru-Chile to the west and southwest (Cobbing, 1985) |  | | Journal (article/letter/editorial) | | sulphide minerals including galena, sphalerite and chalcopyrite is available in the upper and lower Benue troughs...sphalerite 35%, galena 11%, quartz 8%, and traces of chalcopyrite and pyrite. The sphalerite 232 1 Map of Nigeria...equilibrium potentials between sphalerite and chalcopyrite, a galvanic couple and interaction occur at...acted as the anode in the galvanic couple, while chalcopyrite being the nobler mineral with a more positive...bioleached could also be attributed to the fact that chalcopyrite is generally difficult to bioleach at low temperatures |  | | Report (chapter) | | stockwork mineralization (quartz, pyrite and chalcopyrite). The second type of mineralization, produced...stratigraphically below parts of the basal pyrite-chalcopyrite-rich portions of the deposit, of siliceous stringer...cracks carrying quartz, carbonate, pyrite and chalcopyrite. Probable Kuroko-type ores in ancient island...darkcoloured chalcopyrite-rich layers, which, in turn, overlie layers of l ight-coloured chalcopyrite--gale...stockwork carrying pyrite and small amounts of chalcopyrite, sphalerite and galena; this forms a root-zone |  | Palacios, Carlos, Rouxel, Olivier, Reich, Martin, Cameron, Eion M., Leybourne, Matthew I. (2011) Pleistocene recycling of copper at a porphyry system, Atacama Desert, Chile: Cu isotope evidence. Mineralium Deposita, 46 (1) 1-7 doi:10.1007/s00126-010-0315-6 | Journal (article/letter/editorial) | | porphyry in the Atacama Desert of northern Chile. Chalcopyrite displays a restricted range of Ī“65Cu values...oxidative dissolution of primary Cu sulfides (e.g., chalcopyrite), the leach fluid becomes enriched in 65Cu,...isotope data of chrysocolla, chalcocite, and chalcopyrite from the same deposit. When coupled with the...show evidence that hypogene mineralization (chalcopyrite, pyrite, molybdenite, and lesser amounts of...the hypogene and supergene zones, including chalcopyrite from the hypogene-enriched sulfides and hypogene |  | | Report (issue) | | 978-0-9790998-5-4 Publisher Lithographie, LLC Denver, Colorado USA Ā© 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...Yaalte: 12.5 cm wide Siglo XX Mine, ,Uļæ½ Bustillo province, Potosi Malty Zinn colkdknt (ex Marv Rausch) Jase...and Erica Van Pelt Lithographie, LLC ā¢ Denver, Colorado 60Ā° 10 B R A S I L 14 PAZ /LAApolo 0 CRUZ...Budd photo The Minerals of Silver-Rich Cerro de Potosi aka Cerro Rico ................. 36 BY JAROSLAV |
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