 | | 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 Tinto–Aracena 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 mafic tuffs, north wall of Corta...volcanic rocks Outcrops of these units in the Cerro Colorado opencut are confined to its southwestern corner |  | 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 |  | | 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) | | DISTRICT, SPAIN. 571 tends eighty miles across the province of Huelva and into Portugal. We of the Congresssaw...7 Ibid., pp. 363-367. $" Igneous Rocks of the Province of Huelva and Genesis of the Pyritic Orebodies...it alsoexposed theoredeposits. Cerr0 Coloradoand Cerro Salomonrise as monadnocks abovethis peneplain level...respectivelyas San Dionisio, South, E1 Valle, Cerro Colorado, CerroSalomon, La Dehesa,North,andE1Lago. The...adjacent pyritegrainshavehardly been touched. The covellite isanunusually pleochroic variety. This is clearly |  | | Report (issue) | | metamorphic belts of Ecuador The metamorphic belts of Ecuador CQVer photograph Cerro Hermoso in the Llanganates...metamorphosed carbonate sequence, recently glaciated Cerro Hermoso (4571 1n) from the sout hwest, a folded... OVERSEAS MEMOIR 11 The metamorphic belts of Ecuador M Litherland,] A Aspden and RAJemielita Keyworth...andjf.MIEl,ITA, RA. )994. The metamorphic belts of Ecuador. Overseas Memofr of the British Geologi-cal Survey...7 Andean metallogenesis 9 Metamorphic rocks of Ecuador l0 Stratigraphical nomenclature 10 Metamorphic |  | Tsang, Debbie P.W., Wallis, Simon R., Yamamoto, Koshi, Takeuchi, Makoto, Hidaka, Hiroshi, Horie, Kenji, Tattitch, Brian C. (2018) Zircon U–Pb 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) | | U–Pb Geochronology and Geochemistry of the Cerro Colorado Porphyry Copper Deposit, Northern Chile Debbie...U–Pb Geochronology and Geochemistry of the Cerro Colorado Porphyry Copper Deposit, Northern Chile, Ore...U–Pb 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 |  | Yesares, Lola, Sáez, Reinaldo, Nieto, José Miguel, De Almodovar, Gabriel Ruiz, Gómez, Carmelo, Escobar, Juan Manuel (2015) The Las Cruces deposit, Iberian Pyrite Belt, Spain. Ore Geology Reviews, 66. 25-46 doi:10.1016/j.oregeorev.2014.10.019 | Journal (article/letter/editorial) | | images of selected drill cores and outcrops. a) covellite-rich secondary mineralization replacing primary...primary pyrite; b) banded texture in covellite-rich secondary ore; c) and d) oxidized euhedral crystals of...consists mainly of chalcocite, digenite, djurleite, covellite, bornite and enargite, together with subordinate...enrichment within the primary sulfides is dominated by covellite, with pyrite as the main gangue mineral. A crumbled...includes Cu-rich sulfides such as chalcocite and covellite, with bornite and enargite as main subordinate |  | 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...mineralogy References Alto de la Mesa (Riotinto) Cerro Colorado (Riotinto) 1500 >1500 10 to 30 10 to 70 ...anglesite; cer, cerussite; cc, chalcocite; cv, covellite; clor, clorargirite; iod, iodargirite; bar, barite; |  | | Report (issue) | | ores, a typical assemblage might be chalcocite + covellite ± bornite (Schwartz, 1966). In oxide ores, a typical...chrysocolla, neotocite, cuprite, chalcocite, covellite, djurleite, digenite, anilite, and idaite.���...goethite, manganese hydroxides, authigenic clays, covellite, pickeringite, bonattite, chalcanthite, melanterite...Alumbrera porphyry copper-gold deposit, Catamarca Province, Argentina, in Pierce, F.W., and Bolm, J.G., eds...and enrichment in the Chilean porphyry copper province: Economic Geology, v. 91, p. 164–179. Sillitoe |  | 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 Perú CHAN X. QUANG, ALAN H. CLARK...extended northwestward through field mapping to the Cerro Verde-Santa Rosa district (ca. 16° 30' S). The 40Ar-39Ar...38.8 Ma) and Posco (38.8 Ma) prospects and the Cerro Verde deposit (36.1–38.8 Ma) demonstrate that supergene...the late Oligocene (24.4–28 Ma natroalunite at Cerro Verde, 26–27 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 |  | Markowski, Agnès, Vallance, Jean, Chiaradia, Massimo, Fontboté, Lluìs (2006) Mineral zoning and gold occurrence in the Fortuna skarn mine, Nambija district, Ecuador. Mineralium Deposita, 41 (4) 301-321 doi:10.1007/s00126-006-0062-x | Journal (article/letter/editorial) | | occurrence in the Fortuna skarn mine, Nambija district, Ecuador Received: 24 February 2005 / Accepted: 25 March...northern part of the Nambija gold district, southern Ecuador. It has been subdivided into four mineralized sites...gold districts in Ecuador, is located in the southern part of the country (Zamora province) in the Cordillera...porphyries also occur in the district 302 (e.g., Cerro Colorado and Cumay, Fig. 1). The gold deposits of the...Isimanchi unit 740.000 Fig. 1 Structural map of Ecuador (modified from Litherland et al. 1994) and simplified |  | | Journal (article/letter/editorial) | | the pyrites. No crystals seen. MELACONITE.--A~ Covellite. BL~SD~.--AS erubeseite and chaleocite ; also...also on the hills known as the Cerro de los Vacas, Cerro Colorado, and Cerro Salomon. It is frequently botryoidal |  | | Journal (article/letter/editorial) | | the pyrites. No crystals seen. MELACONITE.--A~ Covellite. BL~SD~.--AS erubeseite and chaleocite ; also...also on the hills known as the Cerro de los Vacas, Cerro Colorado, and Cerro Salomon. It is frequently botryoidal |  | | 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... . . . . . . . . . . . . . . . . . . . . . 33 Ecuador . . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . . . . . 34 Cerro de Pasco . . . . . . . . . . . . . . . . . . . |  | | 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...deposits of the San Cristobal district, Villa Martin province, Potosi, Bolivia: U.S. Geological Survey Bulletin...Bolivia, unpublished report McNamee, J., 1985a, Cerro Chimchillaguay: unpublished report, Compafua Minera...Minera del Sur, S.A.. McNamee, J., 1985b, Cerro Santaille: unpublished report, Compaftia Minera del Sur |  | | Report (issue) | | …… Cat Mountain …………………………………………………………………………… Colorado-Justice claims ……………………………………………………… North Magdalena...limestone on west side of limestone tongue east of Cerro Colorado, Sierra Ladrones ………… 88 Sketch of face of...rests on the pre-Cambrian in the vicinity of Cerro Colorado but seems to be absent elsewhere. This is the...Magdalena Mountains, in the Jornada del Muerto and near Cerro Venado. The thickness of the Abo sandstone ranges...Quadrangle, which is shown by the heavy line. 1, Colorado-Justice claims; 2, Pennsylvania group; 3, Jack |  | 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)... Thickness (m) 0361-0128/98/000/000-00 $6.00 336 Peru Cerro Verde-Santa Rosa 150 Cuajone 120 Quellaveco 80 Toquepala...chry = chrysocolla, crpt = cryptomaline, cov = covellite, cup = cuprite, dg = digenite, dj =djurleite, |  | | 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...(Cosufia, Lfpez, Bonete, and Morokho, fig. 6). At Cerro Cosufia, a 13-km-diameter circular topographic feature...possible caldera filled with dark volcanic rocks. Cerro Lfpez (el. 5,929 m), highest peak in the Lfpez complex...19-km-diameter circular drainage system in the Cerro Bonete area suggests the presence of an old, deeply |  | 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) | | zone is a well-developed chalcocite- and lesser covellite-bearing supergene enrichment blanket. Supergene...significance of the supergene orebody of the Cerro Colorado porphyry copper deposit, I Region, Northern...isotope fractionation between aqueous Cu(II) and covellite, CuS. Chem Geol 209:259–269 Evenstar LA, Hartley...and enrichment in the Chilean porphyry copper province. Econ Geol 91:164–179 Zhu XK, O’Nions RK, Guo |  | | Book | | Copper .......•........ . ..... . .. . ... 34 Covellite .... 36 Cubanite .. . ... 38 Diamond . .40... .. . . .... 30 ... . . ..... .... . . .32 Covellite . ... • .... .. .... .... . . . .. .36 Cubanite...Magnetite (mag) is replacing chalcopyrite. Guabisay, Ecuador. Teck Cominco sample R92:1 4275. Reflected light...replacement textures with chalcopyrite. chalcocite. covellite. digenite, enargite, and tetrahedrlte-tennantite...replaced sequentially by bomite (orange-beige) and covellite (shades of blue). Sue-Dianne cleposit, Northwest |  | Kouhestani, Hossein, Mokhtari, Mir Ali Asghar, Qin, Kezhang, Zhao, Junxing (2019) Fluid inclusion and stable isotope constraints on ore genesis of the Zajkan epithermal base metal deposit, Tarom–Hashtjin metallogenic belt, NW Iran. Ore Geology Reviews, 109. 564-584 doi:10.1016/j.oregeorev.2019.05.014 | Journal (article/letter/editorial) | | metal deposit. smithsonite, malachite, azurite, covellite and goethite. The mineral paragenesis of the mineralized... cerussite, smithsonite, malachite, azurite, covellite, and goethite, all of which are hosted by a quartz...chalcopyrite, Cer: cerussite, Chl: chlorite, Cv: covellite, Gn: galena, Gth: goethite, Hem: hematite, Py:...of the ore zones, chalcopyrite is replaced by covellite and goethite; locally, skeletal textures of chalcopyrite... Cerussite, smithsonite, malachite, azurite, covellite, and goethite are commonly found in the supergene |  | 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...hosted by epithermal (e.g., Cana, Santa Rosa, and Cerro Quema deposits; Woakes, 1923; Wleklinski, 1969;...porphyry copper deposits (e.g., Petaquilla and Cerro Colorado, Kesler et al., 1977; Kesler, 1978; Nelson |  | | Book | | The Cu-Zn-Au-Ag Deposit of La Plata (Toachi), Ecuador R. W. Lehne . . . . . . . . . . . . . . . . . ... . . . . . . . . . . . . . . . . . . 449 The Cerro Negro Mine, Chile: Manto-Type Copper Mineralization...Toqui Zinc-Lead-Copper-Silver Deposits, Aysen Province, Chile F. W. Wellmer and E. J. Reeve . . . . ...Carrera Lake and the Rosillo Manto Deposit, Aysen Province, Southern Chile A. Schneider and R. Toloza . ...Septentrional Andes (northwestern Venezuela, Colombia, Ecuador); 2. Central Andes (Peru, Bolivia, northern and |  | | Journal (article/letter/editorial) | | alteration, culminating in pyrite ± enargite ± covellite in the shallow parts of the lithocaps. The porphyry...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...the latest Cretaceous to Paleocene (Laramide) province of southwestern North America, middle Eocene to...suggests extended life spans, 1 to >1.5 m.y. at Cerro de Pasco and Colquijirca, central Peru (Bendezú |  | Arfè, Giuseppe, Boni, Maria, Mondillo, Nicola, Aiello, Roberto, Balassone, Giuseppina, Arseneau, Vernon, Soyk, Dominik (2016) Supergene Alteration In the Capricornio AU-AG Epithermal Vein System, Antofagasta Region, Chile. The Canadian Mineralogist, 54 (3) 681-706 doi:10.3749/canmin.1600012 | Journal (article/letter/editorial) | | blanket (0–150 m depth) is underlain by a secondary covellite-chalcocite-bearing zone, which exhibits a variable...Paleocene–Early Eocene belt. Ore deposits: 1 Mocha; 2 Cerro Colorado; 3 SN; 4 Faride; 5 Spence; 6 Sierra Gorda;...surface) ‘‘electrum’’, Ag-iodide minerals, and covellite are associated with pyrite and minute grains of...tennantite freibergite geffroyite aguilarite covellite chalcocite acanthite galena pyrite chalcopyrite...(Vein 10 at 19.30 m), Ag-selenide, pyrite, and covellite; (C) AA-053 AD (Mejillones Vein at 35.10 m), galena |
|
