 | | 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 |  | 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...alunite but only local traces of pyrophyllite and dickite. Some northwest enargite veins were apparently |  | | Journal (article/letter/editorial) | | (S. M.), see QAISER(M. A.), 735. Alaer6n mine, Copiap6, Chile, arsenolamprite, 732. Ala di Stura, Piemonte...decomposition of, and of mixtures with quartz or dickite or both, i28. Amblygonite, France, Maine, New South...distinction from montebrasite, 4r4. Amblygonite mine, Caceres, Spain, montebrasite, 414. Amelia County... d2o T, 489. Arsenolamprite, Chile, anal., X-ray, 732. Arthurite, Chile, 519; Cornwall, anal., 52o. Asahine...from Mull and Morvern, 934. Bala Durga Gourishankar mine, Tummalatalupur, Nellore, India, microcline perthite |  | 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) | | together locally with a tourmaline-pyrite-kaolinite-dickite assemblage. Tin-polymetallic veins are emplaced...formerly known as Catavi, the largest tin-producing mine in Bolivia, numerous veins have developed in the...from the Grande Vein at the –30 m level, San José mine. Specimen No. 2 contains 2M 1 sericite with small...drift 20 m above the adit of 190 m level, Morococala mine. The host rock is quartzite of the Cancañiri Formation...rite ore of the Chica Vein, 170 m adit, Bolivar mine, Avicaya area. The X-ray powder diffraction peaks |  | | 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) | | pyrite–enargite–quartz–alunite to pyrite– chalcopyrite–dickite–kaolinite to pyrite–sphalerite–galena–kaolinite–siderite...in others (e. g., Ely, Nevada and El Salvador, Chile) they are only incipient or even barren. Irrespective...8–16 km south of the world famous Cerro de Pasco mine (Fig. 1). It contains one of the largest concentrations...complex (Figs. 2, 3). Mixtures of quartz–alunite– dickite–kaolinite± (zunyite, pyrophyllite, illite) occur...the following main zones: pyrite–chalcopyrite–dickite–kaolinite–siderite–quartz± (tennantite, Bi–Ag sulphosalts |  | Bendezú, Ronner, Page, Laurence, Spikings, Richard, Pecskay, Zoltan, Fontboté, Lluís (2008) New 40Ar/39Ar alunite ages from the Colquijirca district, Peru: evidence of a long period of magmatic SO2 degassing during formation of epithermal Au–Ag and Cordilleran polymetallic ores. Mineralium Deposita, 43 (7) 777-789 doi:10.1007/s00126-008-0195-1 | Journal (article/letter/editorial) | | carbonate rocks (Shuco Member) Pyrite-chalcopyrite-dickite-kaolinite-siderite-quartz± (tennantite, bornite...quartz) Pyrite-sphalerite-galena-chalcopyrite-dickite-kaolinitequartz±(siderite, hematite, magnetite...Ligarda 2004). The historical Zn–Pb–(Ag) Colquijirca mine is located further to the north and has been an...with silica (mainly quartz), enargite, zunyite ± dickite. The dated alunite is intimately intergrown with...Mineralization in the Indio Muerto District, El Salvador, Chile. Econ Geol 96:325–350 Heather K, Leach T, Clark |  | | 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) | | McPhail 1996), the Potrerillos district, Chile (Marsh et al. 1997), and the Emperor gold mine in the Tavua...about 2 Ma at the Collahuasi district, northern Chile (Masterman et al. 2004, 2005), which is significantly...exposure in the immediate vicinity of the Chelopech mine (Fig. 2b). Directly above the deposit, only strongly...Elatsite porphyry–Cu deposit is the major producing mine in the northern Panagyurishte district with Cu and...units, which are only exposed within the underground mine, belong to the Chelopech Formation. Neither hydrothermal |  | | Journal (article/letter/editorial) | | Surface over the El Salvador Porphyry Copper Deposit, Chile YASUSHI WATANABE† Institute for Geo-Resources and...phosphate-sulfate minerals)diaspore-zunyite-pyrophyllite-dickite, with residual muscovite. In one case a breccia...of silicate minerals (muscovite, pyrophyllite, dickite, and supergene kaolinite), and 20 samples of alunite...surface over the El Salvador porphyry copper orebody, Chile (Fig. 1). Our goal is to better understand the zonation...Gulch-Copper Hill 21,000N El Salvador (42) Potrerillos (36) Copiapo Indio Muerto 19,000N 7,000W |  | | 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...much as about 100°C for samples from El Teniente, Chile. When binned in 10°C intervals, the median reported...several intrusive stages related to the El Salvador, Chile, porphyry copper deposit, described fluids associated |  | | Catalog/List | | glistening black xtls.60x40.El7 30 CASSITERITE,Old Bea ■ mine,Bugle,St Austell,Cornvall.Large crystals es-> on...iniature.30x25.E2 Bridge, 37 CERUSSITE,Pentlreglaze mine,St Hlnver,Cornvall.Bx display speciaen of stravlike...coverage xtls.85x60.El8 79 LEADHILLITE,Susanna mine,Leadhllls,Lanarkshire,Scotland.Platy -less xtls...Solid specl ■ en of sphalerlte Pyrite.90x65.El8 DICKITE,Robln Hood lne,Bassenthvalte,Cu ■ brla.Silvery...Sveden. El4 tour ■allne.60x40. de Oro lne,Copiapo,Chile. Cryistalllne vlth quartz crystals.60x40.E4 164 |  | 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...of giant and small porphyry copper deposits in Chile, Perú, the southwestern United States, and British |  | | Journal (article/letter/editorial) | | Such a pattm~ is demonstrated by Butte's inner dickite-kaolinite and sericite and possibly by the zoning...K-feldspar and quartz ramify much of the porphyry in the mine. Under crossed nieols these veinlets show a saceharoidal...also been found at Chuquieamata (Perry, 1952), Potrerillos, Climax (Vanderwilt and King, 1955), Bingham...portion of the argillized zone, but they change to dickite-rich clay at its inner or veinward edge. As illustrated...sericitization of K-feldspar. Small amounts of dickite and alunite are present at Butte in the deeper |  | | Journal (article/letter/editorial) | | the Refugio District, Maricunga Belt, Northern Chile JOHN L. MUNTEAN†,* AND MARCO T. EINAUDI Department...the porphyry gold deposits of the Maricunga belt, Chile (Vila and Sillitoe, 1991). For this reason it is...prospects and deposits in the high Andes of northern Chile (Vila and Sillitoe, 1991; Fig. 1). Zones of hydrothermally...alluvium and evaporites El Indio Belt (Miocene) Peru-Chile o Bajo de la Alumbrera (Late Miocene) Santiago...Of Easter “Hot Line” 30 Santa Cecilia o Arg Chile ent ina 20 Alteration zone 500 km o 70 o Strike-slip/normal |  | | Journal (article/letter/editorial) | | and 40 km north of Sepon township in Savannakhet Province. The district has a history of small-scale alluvial...the goldmineralized jasperoid horizon at the Nalou Mine, Sepon, Laos (modified from Cromie, 2010). © 2018...remote region 150 km southeast of Sepon in Xekong Province and was explored by Argonaut Resources during...the Bau Limestone Formation at the Tai Parit gold mine, Bau, Sarawak, Malaysia. The white line highlights...realgar, stibnite, and drusy quartz veining, Tai Parit mine, Bau district, Sarawak, Malaysia. (d–f ) Mineralized |  | | Journal (article/letter/editorial) | | Porphyry-Epithermal Transition: Maricunga Belt, Northern Chile JOHN L. MUNTEAN†,* AND MARCO T. EINAUDI Department...Pepa districts in the Maricunga belt of northern Chile contain advanced argillic alteration zones that...we investigated the Maricunga belt of northern Chile, where numerous districts have zones of advanced...in northern Chile about 700 km north of Santiago (Figs. 1, 2), is a metallogenic province of Miocene age...o 28 Copiapo Peru-Chile 30 Bajo de la Alumbrera (Late Miocene) Arg Chile ent ina 25 Alteration |  | Pan, Jun-Yi, Ni, Pei, Chi, Zhei, Wang, Wen-Bin, Zeng, Wen-Can, Xue, Kai (2019) Alunite 40Ar/39Ar and Zircon U-Pb Constraints on the Magmatic-Hydrothermal History of the Zijinshan High-Sulfidation Epithermal Cu-Au Deposit and the Adjacent Luoboling Porphyry Cu-Mo Deposit, South China: Implications for Their Genetic Association. Economic Geology, 114 (4) 667-695 doi:10.5382/econgeo.4658 | Journal (article/letter/editorial) | | veins vs. porphyry Cu-Mo mineralization at Rosario, Chile (Masterman et al., 2004), and the high-sulfidation...Mesozoic southeastern coastal volcanic belt of Fujian Province, South China (Fig. 1A). The district covers a...Cu-Au deposit, known as the largest exploited gold mine in China since its discovery in the 1980s. Pervasive...Types Alu: Di: Kl: Chl: Quartz-Alunite Quartz-Dickite Kaolinite Chlorite Si: K: Srt: Py: Silicic Potassic...intersection Alteration boundary Quartz-Alunite Quartz-Dickite Silicic Potassic Sericitic Pyrite Quartz syenite |  | Baumgartner, R., Fontbote, L., Spikings, R., Ovtcharova, M., Schaltegger, U., Schneider, J., Page, L., Gutjahr, M. (2009) Bracketing the Age of Magmatic-Hydrothermal Activity at the Cerro de Pasco Epithermal Polymetallic Deposit, Central Peru: A U-Pb and 40Ar/39Ar Study. Economic Geology, 104 (4) 479-504 doi:10.2113/gsecongeo.104.4.479 | Journal (article/letter/editorial) | | D’ Cerro de Pasco N-8820000 (10°40' S) A A’ Chile Bolivia Yanamate MINERALIZATION TYPE Cu-Zn-Pb-(Ag-Au-Bi)...Noble (1977) report the presence in the underground mine of albitized quartz monzonite porphyry dikes which...to argillic alteration assemblages (hinsdalite, dickite, kaolinite). On the northwestern margin of the...monzonite sample which was collected in the underground mine (level 1400, gallery 1484-E). Analyzed zircons are...quartz monzonite porphyry dike from the underground mine (CPR 609). F) Zircon from a porphyric dacite from |  | | Journal (article/letter/editorial) | | Marsh et al. (1997) showed for the Potrerillos district (Chile) that hydrothermal activity in porphyry-related...alteration with vuggy quartz, alunite, kaolinite/dickite and zunyite; diaspore and pyrophyllite are common...alteration. Coherent andesite taken from the Chelopech mine (Figs. 2 and 6a) gives an emplacement age of 91...volcanic and subvolcanic rocks outside of the Chelopech mine and the ages range from 92.22 to 91.3 Ma (Fig. 6a)...super-giant Chuquicamata copper deposit of northern Chile by ELA-ICP-MS and SHRIMP. Geology 29, 383 – 386 |  | | Book | | Radomiro Tomic Porphyry Copper Deposit, Northern Chile. Patricio Cuadra and Francisco Cam us.............Agua Rica Porphyry Cu-Mo-Au Deposit，Catamarca Province, Northwestern Argentina. Part 1 : Exploration...Rosario Copper Porphyry Deposits, CoUahuasi District Chile. Claudio Bisso B, Manuel Durdn andAquiles Gonzales...a deposit, but rather the engineering ability to mine on a large scale at low cost, and simultaneously...all within the US "South west" and in northern Chile and neighbouring southern Peru. With the exception |  | | Journal (article/letter/editorial) | | pyrite cap andhalo.At low in some systems.At Potrerillos, Chile, for ex- thistime,the pathfor copperhasfallento...reef-typeenvironment.If represented asPotrerillos,Chile, discussed aboveis likely not the resultof sulf...diagram,the numbersdesignating the pyrite-covellite-dickite-alunite paragenesis of the temperature and concentrationare...(2) temperature seenat Chuquicamataand Collahuasi,Chile. decreaseand concordantchemicalcollapse,and (3)... andDavis,J. H., 1977, Geologyof the Buickmine, mine area, Arizona, in Ridge, J. D., ed., Ore depositsin |  | | Book (volume) | | existence o f a new unconformity-vein style uranium province in the Proterozoic of the Great Sandy Desert....the largest deposits in any established porphyry province. For a discussion of the accepted terminology...localised in the U.S. “South-west”， and in northern Chile and southern Peru，and were Cu-Mo orebodies (Gilmour...Cook and Porter;all in this publication) and in Chile, Argentina and Peru in South America (see Camus;...Chuquicamata, El Abra, La Escondida and El Teniente in Chile, Cerro Colorado in Panama, Grasberg in Indonesia |
|
