 | | Journal (article/letter/editorial) | | mineralization in the Atacama segment of the South American Andes, northern Chile (26°15'-27°25'S) Received:...magmatism and the rich ore deposits of northern Chile have been the focus of numerous studies. Significant...feature of the geology of this part of northern Chile is the existence of n o r t h - south to north-east-...alteration and cama segment - Andes - northern Chile mineralization (Baker and Guilbert, 1987; Colley...metallogenic belts Introduction (Fig. 1): (1) along the Atacama Fault System; (2) along the Inca de Oro Belt; (3) |  | | Journal (article/letter/editorial) | | Cu-AuandAu-AgMineralization in the PotrerillosDistrict, Chile TIMOTHYM. MARSH, • AMT (USA), Inc., 7400 North Oracle... 4øARfløAR GEOCHRONOLOGYOF CUAU& AUAGDEPOSITS,POTRERILLOS,CHILE 785 hypotheses: (1) the Cobreporphyry copperdeposit...igneous andhydrothermal minerals relatedto / .?-Potrerillos District copperand goldmineralization in sevendistinctintrusive...Location mapof thePotrerillos districtin northern Chile,show- hydrothermally alteredareasin thePotrerillos...dikes and flows Niemeyer, I 1993,unpub] I I ; Mine Fault, barbs on upper plate • Steep reverse fault |  | Gustafson, L. B., Orquera, W., McWilliams, M., Castro, M., Olivares, O., Rojas, G., Maluenda, J., Mendez, M. (2001) Multiple Centers of Mineralization in the Indio Muerto District, El Salvador, Chile. Economic Geology, 96 (2) 325-350 doi:10.2113/gsecongeo.96.2.325 | Journal (article/letter/editorial) | | Mineralization in the Indio Muerto District, El Salvador, Chile LEWIS B. GUSTAFSON,† 5320 Cross Creek Lane, Reno...89511 WALTER ORQUERA, CODELCO-Chile, Division Salvador, El Salvador, Chile MICHAEL MCWILLIAMS, Department...AND MARCELLO MENDEZ CODELCO-Chile, Division Salvador, El Salvador, Chile Abstract The porphyries that...then comprised the ore reserve for the El Salvador mine. Only minor mention was made of the separate small...fringe to the main orebody. Subsequently, CODELCO-Chile not only began mining the large tonnage of primary |  | Ossandon C., G., Freraut C., R., Gustafson, L. B., Lindsay, D. D., Zentilli, M. (2001) Geology of the Chuquicamata Mine: A Progress Report. Economic Geology, 96 (2) 249-270 doi:10.2113/gsecongeo.96.2.249 | Journal (article/letter/editorial) | | of the Chuquicamata Mine: A Progress Report GUILLERMO OSSANDÓN C., CODELCO-Chile, Gerencia Exploraciones...Santiago, Chile ROBERTO FRÉRAUT C., CODELCO-Chile, Superintendencia Geología, Chuquicamata, Chile LEWIS... DARRYL D. LINDSAY, SRK Consultores, Santiago, Chile AND MARCOS ZENTILLI Department of Earth Sciences...Canada B3H 3J5 Abstract Chuquicamata, in northern Chile, is the world’s greatest copper orebody. It was...enrichment blanket. The presence of associated anhydrite, typical also of earlier stages but largely leached |  | | Journal (article/letter/editorial) | | 1975 The PorphyryCopperDepositat E1 Salvador,Chile LEWIS B. GUSTAFSON AND JOHN P. HUNT Abstract The...disseminatedK-silicate assemblages of alkali •eldspar-biotite-anhydrite-chalcopyrite-bornite or chalcopyrite-pyrite.Early...quartz veinsare typicallygranularquartz-K-feldspar-anhydrite-sulfide, generallylack internal symmetry, andare...nconvertedhornblende phenocrysts to biotite-anhydrite-rutile, ilmeniteto hematite-rutile, andsphene...No. 5 The PorphyryCopperDepositat E1 Salvador,Chile Fig. 1. Aerial view of Cerro Indio Muerto, lookingwest |  | Zimmerman, Aaron, Stein, Holly J., Morgan, John W., Markey, Richard J., Watanabe, Yasushi (2014) Re–Os geochronology of the El Salvador porphyry Cu–Mo deposit, Chile: Tracking analytical improvements in accuracy and precision over the past decade. Geochimica et Cosmochimica Acta, 131. 13-32 doi:10.1016/j.gca.2014.01.016 | Journal (article/letter/editorial) | | geochronology of the El Salvador porphyry Cu–Mo deposit, Chile: Tracking analytical improvements in accuracy and...minerals from the El Salvador porphyry Cu–Mo deposit, Chile, were dated by Re–Os geochronology to clarify the...El Salvador porphyry Cu–Mo deposit in northern Chile is one of the best studied porphyry deposits in...veins are characterized by quartz– K-feldspar–anhydrite–sulfide (mainly chalcopyrite and bornite) with...Salvador, Chile: distribution of porphyry Cu–Mo deposits with mineralization age (Ma) in northern Chile (after |  | Lee, Robert G., Dilles, John H., Tosdal, Richard M., Wooden, Joseph L., Mazdab, Frank K. (2017) Magmatic Evolution of Granodiorite Intrusions at the El Salvador Porphyry Copper Deposit, Chile, Based on Trace Element Composition and U/Pb Age of Zircons. Economic Geology, 112 (2) 245-273 doi:10.2113/econgeo.112.2.245 | Journal (article/letter/editorial) | | Intrusions at the El Salvador Porphyry Copper Deposit, Chile, Based on Trace Element Composition and U/Pb Age...porphyry Cu (MoAu) ores in the El Salvador district, Chile. Zircons (n = 240) from 15 Eocene age diorite, granodiorite...1995) and the El Abra-Fortuna granodiorite complex, Chile (1–2 m.y., Dilles et al., 1997; Campbell et al....Chuquicamata, Chile (2–3 m.y., Reynolds et al., 1998; Ballard et al., 2001), the Potrerillos district, Chile (8...Indio Muerto (El Salvador) district of northern Chile is characterized by a series of late Eocene porphyry |  | | Journal (article/letter/editorial) | | Fukuchilite, cu3lres6, a ne$' mineral from the Hanawa Mine, Akita Prefecture, Japan Mineral -I . (Tohyo) 5...mineral occurs in barite-bearing gypsum (and/or anhydrite ores) as minute grains in interstices of small...lead oxide minerals and murdochite from T. Khuni Mine, Anarak, han. Mineral. Deposita S, 8G93. Electron...lead oxide minerals and murdochite from 'I. Khuni Mine, Anarak, Iran. Mineratr. Deposita,s, 8G93. Electron...numerous inclusions of iron oxides. The name is for the mine. DrscussroN. X-ray powder data and structural study |  | | Journal (article/letter/editorial) | | batholith in Nevada, and associated with the Yerington mine and the AnnMason deposit, provide a basis of comparison...Laramide, mid-Mesozoic) Limit of Basin and Range Province copper deposits post-Laramide cover Laramide...America, showing the limit of the Basin and Range province, the schematic representation of domains that...00 940 ROOT ZONES OF PORPHYRY SYSTEMS Potrerillos, Chile (Olson, 1989), were dismembered in contractional... 1984; Dilles et al., 2000). Both the Yerington mine and Ann-Mason deposits are exposed continuously |  | Wafforn, S., Seman, S., Kyle, J. R., Stockli, D., Leys, C., Sonbait, D., Cloos, M. (2018) ANDRADITE GARNET U-Pb GEOCHRONOLOGY OF THE BIG GOSSAN SKARN, ERTSBERG-GRASBERG MINING DISTRICT, INDONESIA. Economic Geology, 113 (3) 769-778 doi:10.5382/econgeo.2018.4569 | Journal (article/letter/editorial) | | time period of 100,000 years or less (e.g., Potrerillos district, Marsh et al., 1997; Bajo de la Alumbrera..., 1997). Structural analysis of the surrounding mine exploration and development drifts indicate the...Samples were collected from Big Gossan underground mine drifts and from drill core (Fig. 2). Large garnets...Chalcopyrite, Dark reddish-black color, anhydrite, sphalerite, quartz, pyrite coarse- to very...reddish-black color, magnetite, tremolite, anhydrite pyrite moderate- to coarse-grained 97-CG-134 |  | | Journal (article/letter/editorial) | | two representative porphyry systems (El Salvador, Chile, and Grasberg, Indonesia) was examined to evaluate...of the Cu in the El Salvador deposit in northern Chile (Gustafson & Hunt, 1975). Because Cu sulfides (chalcopyrite...hypogene Cu grade map of the El Salvador district, Chile, simplified from Gustafson et al. (2001). characterized...chalcopyrite veins characterized by chalcopyrite-quartz-anhydrite with sericite and chlorite halos are also observed...Aveins (Fig. 2a), with or without K-feldspar, anhydrite, sericite, and chlorite. Molybdenite and chalcopyrite |  | | Report (chapter) | | similar features have been recognized in the Fars Province of Iran (Jahani et al. 2009), thrust welds have...the units, especially the black shales of the Potrerillos Formation, are local carbonates called ‘lentils’...Kpsm: Lower Mdst and Middle Slst Mbrs of the Potrerillos Fm. Short red lines show bedding dips; blue dashed...Paleocene Upper Mudstone (Ppmu) Members of the Potrerillos Fm. on the upthrown side form a tabular CHS dipping...Slst, Lower Mdst and Middle Slst Mbrs of the Potrerillos Fm. (a) Cross-section with no vertical exaggeration |  | Musso, Telma Belén, Pettinari, Gisela, Pozo, Manuel, Martínez, Alexis Gabriel, González, Rafael (2022) Distribution, Sedimentology and Origin of Mineralogical Assemblages from a Continental Na-bentonite Deposit in the Cretaceous Neuquén Basin (Argentina) Minerals, 12 (4) 467 doi:10.3390/min12040467 | Journal (article/letter/editorial) | | Triassic and Neogene age and belong to: Fm. Potrerillos-Fm Cacheuta (Mendoza), Fm. Cortaderita -Fm. Barreal...km SE of “Rincon de los Sauces” city in Neuquén province and belongs to the mining district named Justina...bentonite (PEL) and Triassic bentonite from Potrerillos Formation (C3). % B-1 * B-3 B-8 * B-11 B-12...can also form as a result of the replacement of anhydrite or gypsum by interaction with Sr-rich or Ba-rich...significant differences with Pellegrini Lake and Potrerillos bentonites. In this sense, Justina bentonites |  | | Report (issue) | | and 3, respectively. Arituzar Mine Calichar Caftuelas Daniel Mine San Marcos Volcanclto Salar Centenario...Mucar Laguna Guacha|ayte Laguna Guayatayoc Baratoyoc Mine Grupo Cordoba Laguna Vilama Adriana Lari Los Bayos...Bayos Tropa Pete 3erta Prospect 3lanca Lila Mine Boratera de Antuco Celti Occurrence Coyaguaima Archibarca...Pozuelos Margarita San Mateo Mine Salar de Pucar Salar de Rio Grande Betina Mine Boratera Blanca Lila Coronel...Prospect Maria Luisa l-ll Occurrence Purmamarca Mine Salar de Antofalla Salar de Cauchari DEPOSFT NAME |  | | Journal (article/letter/editorial) | | Porphyry Gold-Copper Deposit, Maricunga Belt, Northern Chile* RICHARD H. SILLITOE,1,† JUSTIN TOLMAN,2,** AND...the Maricunga gold-silver-copper belt of northern Chile, was discovered in 2007 beneath postmineral cover...28°S in the high volcanic Andes of the Atacama Region, northern Chile (Fig. 1). The belt, some 200 km long...-70° SILLITOE ET AL. Potrerillos Bolivia -26°30’ ESPERANZA Argentina Chile Antofagasta LA COIPA...gold and silver conducted by Minera Anglo American Chile Ltda. and joint-venture partners. However, it was |  | | Journal (article/letter/editorial) | | groundwaters associated with porphyry-Cu deposits, Atacama Desert, Chile: Elemental and isotopic constraints on water...the Spence porphyry copper deposit, Atacama Desert, northern Chile, to study waterporphyry copper ore...groundwaters recovered elsewhere in the Atacama Desert of Northern Chile. In contrast, groundwaters recovered...Development, 1997; Meigh et al., 1999). The Atacama Desert of northern Chile, the driest region on Earth, receives...et al., 1989). In the hyperarid climate of the Atacama Desert, there are competing interests for limited |  | | Report (issue) | | Geology of Salars Northern Chile GEOLOGICAL SURVEY PROFESSIONAL Prepared in cooperation with the Instituto...Investigaciones Geoldgicas de Chile • Ill PAPER 811 Geology of Salars Northern Chile • Ill By GEORGE E...the Instituto de Investigaciones Geoldgicas de Chile Description of the distribution, geology, and environmental...salt-encrusted playas and their closed drainage basins in Atacama, Antofagasta, and Tarapacd Provinces UNITED STATES...--------------Coastal Range and Central Valley -------Atacama Basin and vicinity -------------Andean llighlands |  | | Journal (article/letter/editorial) | | central Chile; A.J. Wilson, writ. commun., 2009) and Mo (2.5 Mt: El Teniente, central Chile; Camus, 2003)...River dist.(Nena) Wafi-Golpu Gaby El Salvador Potrerillos Marte & Caspiche Taca Taca Bajo Bajo de la Alumbrera...to global-scale anomalies for Cu (e.g., northern Chile-southern Peru, southwestern North America) or Au...Escondida C HI B AR C A 26° El Salvador Potrerillos COPIAPÓ ARGENTINA LA SERENA 30° Lineament...belt and an intra-arc fault zone: the northern Chile part of the central Andean middle Eocene to early |  | | 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...biotite, muscovite (sericite), magnetite, chlorite, anhydrite, and epidote. Other commonly occurring gangue...much as about 100°C for samples from El Teniente, Chile. When binned in 10°C intervals, the median reported |  | Barredo, Silvia, Chemale, Farid, Marsicano, Claudia, Ávila, Janaína N., Ottone, Eduardo G., Ramos, Victor A. (2012) Tectono-sequence stratigraphy and U–Pb zircon ages of the Rincón Blanco Depocenter, northern Cuyo Rift, Argentina. Gondwana Research, 21 (2) 624-636 doi:10.1016/j.gr.2011.05.016 | Journal (article/letter/editorial) | | first U–Pb SHIRMP ages for the Río Mendoza and Potrerillos formations of the Cacheuta depocenter, respectively...(López Gamundí, 1994), located in the San Juan province, the non-marine Triassic infilling has been studied...parallel-laminated mudstones with desiccation cracks and anhydrite lenses alternating with black (lignitic?) shales...recent U–Pb zircon date of 239.2 ± 4.5 Ma for the Potrerillos Formation (Cacheuta sub-basin) (Spalletti et... V.A., 2008. Tectónica jurásica en Argentina y Chile: extensión, subducción oblicua, rifting, deriva |  | Zhao, Junxing, Qin, Kezhang, Li, Guangming, Li, Jinxiang, Xiao, Bo, Chen, Lei, Yang, Yueheng, Li, Chao, Liu, Yongsheng (2014) Collision-related genesis of the Sharang porphyry molybdenum deposit, Tibet: Evidence from zircon U–Pb ages, Re–Os ages and Lu–Hf isotopes. Ore Geology Reviews, 56. 312-326 doi:10.1016/j.oregeorev.2013.06.005 | Journal (article/letter/editorial) | | porphyry; 3) Quartz + molybdenite ± pyrite ± anhydrite veins with different alteration halos (moderately...mineralized veins, which implies that initial anhydrite veins could convert into gypsum veins by later...occurrence of magnetite veins, biotite ± quartz ± anhydrite ± epidote ± chlorite veins, K-feldspar ± biotite...K-feldspar, kaolinite, muscovite, sericite, illite, anhydrite, gypsum, tourmaline and garnet. 3) The late mineralization...K-feldspar Biotite Epidote Chlorite Magnetite Anhydrite Gypsum Sericite Muscovite Tourmaline Garnet Illite |  | | Journal (article/letter/editorial) | | HYPOGENE ALUNITE FROM THE EL SALVADOR DISTRICT, CHILE, INDICATES POTENTIAL FOR A BLIND PORPHYRY COPPER...from the El Salvador porphyry copper district of Chile were recently dated. One alunite sample over the...deposits in the remote El Salvador district of Chile began with Old Camp in 1951 and the much larger...Formation) Fault El Salvador (42) Reverse fault Potrerillos (36) Copiapo Turquoise Gulch Strike-slip fault...Fig. 1. Lithology of the El Salvador district, Chile (Cornejo and Mpodozis, 1998) and locations mentioned |  | | Journal (article/letter/editorial) | | ileLtda., AvenidaPedrode Valdivia295, Santiago,Chile AND RICHARD H. SILLITOE 27 WestHill Park,HighgateVillage...and 28 ø S in the Andean Cordillera of northern Chile. After 10 yearsof exploration,three preciousmetal...38-2353.00 1238 Au PORPHYRY,MARICUNGA BELT, CHILE 1239 and west of Marte which compriseadvancedargillic...central and northern Chile. The the Atacama desert. Maricungabelt in northern Chile is one of the most...north-southelon- viouslyin the Andean Cordillera of Chile. gate area, roughly200 X 50 km in extent,between |  | | Book | | Potteriics, Chile . 4 ¢ Section Through Arequipa, Peru 5 ¢ Section Through Potrerillos, Chile . ; 6...6 ¢ Potash Index of Igneous Rocks, Atacama Rego Chile : 7 ¢ Michiquillay Regional Geology (Peru) . 8...8 © Structure at Chuquicamata, Chile . 9 ¢ Surface Geologic Map, Michiquillay 10 © Surface Geologic Map...Plutonic Belt, ies 27 @ Geology of the Kobuk-Koyukuk Province (Alaska). 28 © Interior Belt (Alaska). 3 ; ,...30 REFERENCES AND BIBEIOGRAPHY*,.22 fete 31 province has been described by Hollister (1974) to include |  | Mohammaddoost, Hadi, Ghaderi, Majid, Kumar, T. Vijaya, Hassanzadeh, Jamshid, Alirezaei, Saeed, Stein, Holly J., Babu, E.V.S.S.K. (2017) Zircon U–Pb and molybdenite Re–Os geochronology, with S isotopic composition of sulfides from the Chah-Firouzeh porphyry Cu deposit, Kerman Cenozoic arc, SE Iran. Ore Geology Reviews, 88. 384-399 doi:10.1016/j.oregeorev.2017.05.023 | Journal (article/letter/editorial) | | part of the KCMA, ~14 km west of the Meiduk copper mine (Fig. 1). Mineralization is associated with a porphyry...characterized by biotite ± K-feldspar + magnetite ± anhydrite. The alteration affected both the Chah-Firouzeh...± magnetite ± chalcopyrite veinlets (A type). Anhydrite and K-feldspar can be observed in the center of...magnetite ± chalcopyrite ± pyrite ± chlorite ± anhydrite (B type). The sulfides in the center of veinlets...disequilibrium. It could also be the artifact of anhydrite removal. Anhydrite is typically part of the original ore |
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