| Munizaga, Francisco, Maksaev, Victor, Fanning, C.M., Giglio, S., Yaxley, G., Tassinari, C.C.G. (2008) Late PaleozoicâEarly Triassic magmatism on the western margin of Gondwana: Collahuasi area, Northern Chile. Gondwana Research, 13 (3) 407-427 doi:10.1016/j.gr.2007.12.005 | Journal (article/letter/editorial) | western margin of Gondwana: Collahuasi area, Northern Chile Francisco Munizaga a , Victor Maksaev a,â, C.M....Departamento de GeologĂa, Universidad de Chile, Plaza Ercilla 803, Santiago, Chile Research School of Earth Sciences...de Collahuasi, SCM, Pedro Lagos 1090, Iquique, Chile d Research School of Earth Sciences, Australian...âAltiplanoâ high plateau of the Andes of northern Chile mostly consists of late Paleozoic to Early Triassic...of Chile, the Frontal Cordillera of Argentina (Choiyoi Group or Choiyoi Granite-Rhyolite Province), and | | | Journal (issue) | cuprita-Interior (le Ilo. Mina «San Bai-tolo.»-Atacama. 3 1 4Ăœ 5 MENSUAL Mina «AnclacĂœ)Ilo.»-Coquiinbo...47 48 Gallecruilla-Morado. 49 ChañĂrcillito. 50 Atacama. 51 52 841 Atacamita fĂbrosa. San JosĂ©. Labrar...Patagua.-Ligua. 187 Bornita con malaquita. Mina. «Rosario.» Tarnaya (Coquimbo). 149 ]3ornita con ca.liza...MVina «Lorenzo,» Las Condes. 161 Bornita. Mina «Rosario.» De Choapa. 116 Bornite. i leanoe.. Pedernal....Chalcopirita. Mina <Rosario». De Te.mnaya. 215 Chalcopirita. De IĂipa. 186 Chalcopirita. Mine. «Bajaracoles» | | | Journal (article/letter/editorial) | Colorado Porphyry Copper Deposit, I RegiĂłn, Northern Chile FARHAD BOUZARIâ AND ALAN H. CLARK Department of...the initiation of the Incaic orogeny in northern Chile. An age of 35.26 ± 0.68 (2Ï) Ma for alunite associated...Evidence from Cerro Colorado and elsewhere in northern Chile (e.g., Spence and Angelina) confirms that Paleocene...Cenozoic supergene metallogenic epoch in northern Chile, ca. 20 or even 30 m.y. in duration, which attained...Cenozoic copper deposits and prospects in northern Chile and southern Peru cited in the text. The easterly | | | Journal (article/letter/editorial) | of focused fluid flow, as evidenced by abundant quartz veins, widespread wall-rock alteration, or porphyry...batholith in Nevada, and associated with the Yerington mine and the AnnMason deposit, provide a basis of comparison...of the following hydrothermal characteristics: quartz veins and potassic alteration, sodic-calcic and...and relatively coarse grained muscovite-quartz (greisen). Quartz veins and potassic alteration are focused...Laramide, mid-Mesozoic) Limit of Basin and Range Province copper deposits post-Laramide cover Laramide | | | 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. âSouth-westâïŒ and in northern Chile and southern PeruïŒand were Cu-Mo orebodies (Gilmour...Namibia, southern Africa; and the 1porphyry affinityâ quartz-vein network at Malanjkand in India; through the...Cook and Porter;all in this publication) and in Chile, Argentina and Peru in South America (see Camus; | | | Book | Radomiro Tomic Porphyry Copper Deposit, Northern Chile. Patricio Cuadra and Francisco Cam us.............Agua Rica Porphyry Cu-Mo-Au DepositïŒCatamarca Province, Northwestern Argentina. Part 1 : Exploration...Geology of the Ujina and Rosario Copper Porphyry Deposits, CoUahuasi District Chile. Claudio Bisso B, Manuel...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) | Cumberland, gilbertitc, 6o6. George and Charlotte mine, Tavistock, Devon, 'tavistockite', [ 23. Grassington... INDEX Drakewalls mine, Gunnislake, posnjakite, 740. Hingston Down Consols" mine, arthurite, 52o. Lee...(Espafia) Cabo Ortegal, Galicia, omphacite, 6L CarmeBta mine, Caceres, montcbrasite, 4t4. Santander, blende,...Kazakhstan, calcite, 929. Tetyukhinsky, Maritime Province, calcite, 929. INDEX 969 Azerbaidzhan Dashkesan...Zaglik, alunite, IZ8. Iran Sar Cheshmeh, Kerman province, cuprian sericite, 945. Israel Golani, basalt | | | Journal (article/letter/editorial) | Origin of Copper-bearingTourmaline BrecciaPipes, Chile R. H. SILLITOEAND F. J. SAWKINS Abstract In northandcentralChile...filling.Fragment replacement produced aggregates of quartz-sericite, togetherwith intensesilicification andtourmalinization...accompanied by specularite,and followedprincipallyby quartz, scheelite,chalcopyrite,pyrite, molybdenite,galena...primaryand pseudo-secondary fluid inclusionsin quartz crystalsindicate thatquartzdeposition occurred...pipesandthelatterstages of theearliestTertiarymagmatic cycle in Chile. This studyincludes groupsof tourmaline breccia | | Masterman, G. J., Cooke, D. R., Berry, R. F., Walshe, J. L., Lee, A. W., Clark, A. H. (2005) Fluid Chemistry, Structural Setting, and Emplacement History of the Rosario Cu-Mo Porphyry and Cu-Ag-Au Epithermal Veins, Collahuasi District, Northern Chile. Economic Geology, 100 (5) 835-862 doi:10.2113/gsecongeo.100.5.835 | Journal (article/letter/editorial) | of the Rosario Cu-Mo Porphyry and Cu-Ag-Au Epithermal Veins, Collahuasi District, Northern Chile GLENTON...Abstract The Rosario Cu-Mo-Ag deposit is located in the Collahuasi district of northern Chile. It comprises...superimposed on the core of a porphyry Cu-Mo orebody. Rosario has mining reserves of 1,094 million metric tons...Ujina and Quebrada Blanca porphyry deposits. The Rosario reserve contains over 95 percent hypogene ore,...granodiorite and late Eocene porphyritic quartz-monzonite. The Rosario fault system, a series of moderate southwest-dipping | | Clark, Alan H., Archibald, Douglas A., Lee, Andrew W., Farrar, Edward, Hodgson, C. Jay (1998) Laser probe 40 Ar/ 39 Ar ages of early- and late-stage alteration assemblages, Rosario porphyry copper-molybdenum deposit, Collahuasi District, I Region, Chile. Economic Geology, 93 (3) 326-337 doi:10.2113/gsecongeo.93.3.326 | Journal (article/letter/editorial) | ASSEMBLAGES,ROSARIO PORPHYRY COPPER-MOLYBDENUM DEPOSIT, COLLAHUASI DISTRICT, I REGION, CHILE ALAN H...4 m.y.,fromCopaquire, throughQuebrada Biancato Rosario, the intensity of mineralization increasing withtime...Ma phase of potassic alteration associated ern Chile(Sillitoe,1988;Clarketal., 1990),but apparently ...regionalmagmatichydrothermal conditions hasbeen ad- Chile(68041.2 vanced. togetherwith the nearbyQuebrada...meyeretal., 1984aandb; DeBeerand Dick, 1994).The the Rosario deposit(Dick baseremainssparse(seeClark,1993)but | | | Journal (article/letter/editorial) | Universitesi] at 20:25 14 March 2016 Blanchard Mine, Bingham, New Mexico T here once was a time when...originating at what was then known only as the Blanchard mine, Bingham, New Mexico. Oh, for those simpler times...fine brochantite from the abovementioned Blanchard mine has been selected for this issue. Brochantite, a...with langite and posnjakite occurs in the Ecton mine, Montgomery County (Smith 1978); and brochantite...upper workings of the Stonehill or Woods copper mine, Randolph County, Alabama (Cook and Smith 1982) | | GarcĂa, M., Maksaev, V., Townley, B., Dilles, J. (2017) Metallogeny, structural evolution, post-mineral cover distribution and exploration in concealed areas of the northern Chilean Andes. Ore Geology Reviews, 86. 652-672 doi:10.1016/j.oregeorev.2017.01.025 | Journal (article/letter/editorial) | Universidad de Chile. Av. Tupper 2007, Santiago, Chile. (2) Departamento de GeologĂa, Universidad de Chile, Plaza...Plaza Ercilla 803, Santiago, Chile. (3) College of Earth, Ocean and Atmospheric Sciences, Oregon State University...known, allowing better criteria for decisions on mine concession acquisitions, plan geophysical and geochemical... Quellaveco and Toquepala, whereas in northern Chile, the main deposits are Mocha, Cerro Colorado, Spence...130 km in southern Peru to 30-50 km in northern Chile, and includes mainly porphyry Cu deposits, with | | | Journal (article/letter/editorial) | dredmetersof the 12 majorporphyrycopperdeposits in Chile was substantiated furtherby Alpersand Brimhall ...supergene alunitefromthe Eseondida porphyry copper province. Indeed,perhaps onlytwoof thesemajordepositsdeposit(Fig...Salvador(Gustafsonand Hunt, 1975) in northern Chile Chile,duringthe late Oligocene to earlyMioceneinterval...0361-0128/96/1809/164-1655.00 164 CHILEAN Cu PROVINCE: OXIDATION & ENRICHMENT in controlling anyagedifferences...BAYAS 64 I âą5-31 18-15 ANGELINA 3' Âœ'*âą I Ă CHILE ?5 Ăž ,,,,)ARGENTINA ) 43.31 23 SanMiguel de | | | Journal (article/letter/editorial) | low-sulfidation epithermal gold mineralization in the RosarioâBunawan district, East Mindanao Ridge, Philippines...June 2009 # Springer-Verlag 2009 Abstract The RosarioâBunawan district is situated about 200 km north...Southern Philippines. Gold is produced from the Co-O mine, containing about 2,034,000 t of ore at 10.9 g/t...Epithermal gold mineralization in the RosarioâBunawan district and the Co-O mine is confined to narrow (0.2â4...2â4 m) low-sulfidation quartzâchalcedonyâcalcite veins in volcanic and volcaniclastic wall rocks. Three | | | Journal (article/letter/editorial) | 9.5 Ma and 1.9 Ma. Located 600 km from the Peru-Chile trench, the volcanic belt represents the easternmost...are hydrothermal alteration zones at Cerros del Rosario and El Morro as well as traces of gold at the Santa...southeastern flat-slab Andean segment of the San Luis province of northwestern Argentina, extending from 28°...canic rocks. Lying 600 to 700 km east of the Peru-Chile trench, Pocho and San Luis volcan ics correspond...terrains in the Sierras Pampeanas of San Luis province have been dated as late Precambrian to earliest | | | Journal (article/letter/editorial) | SUPERGENE WEATHERING IN THE EL PEĂĂN DISTRICT, NORTHERN CHILE IAN WARREN,â Yamana Gold, 9670 Gateway Drive, Suite...Peñón epithermal gold-silver deposit, Region II, Chile, comprises multiple epithermal veins, which contain...the Paleocene metallogenic belt of northern Chile. Quartz-adularia-carbonate veins are hosted in Paleocene...than host rhyolite domes. Magmatic-hydrothermal quartz-alunite alteration spatially associated with Late...Paleocene and early Eocene magmatic arc of northern Chile. Measured, indicated, and inferred resources for | | | Journal (article/letter/editorial) | Million Years of Hyper-aridity recorded in the Atacama Gravels Tao Sun, Huiming Bao, Martin Reich, Sidney...Million Years of Hyperaridity recorded in the Atacama Gravels, Geochimica et Cosmochimica Acta (2018)...Million Years of Hyper-aridity recorded in the Atacama Gravels Tao Sun1,2,*, Huiming Bao1, Martin Reich3...of Excellence (CEGA) - Universidad de Chile, FCFM, Santiago, Chile 4, Department of Earth and Environmental...Geochimica et Cosmochimica Acta 1 Abstract The Atacama Desertâs hyper-aridity is closely linked to the | | TorrĂł, , Cazorla, , Melgarejo, , CamprubĂ, , TarrĂ©s, , Gemmrich, , Campeny, , Artiaga, , Torres, , MartĂnez, , Mollinedo, , Alfonso, , Arce-Burgoa, (2019) Indium Mineralization in the Volcanic Dome-Hosted ĂnimasâChocayaâSiete Suyos Polymetallic Deposit, PotosĂ, Bolivia. Minerals, 9 (10) 604 doi:10.3390/min9100604 | Journal (article/letter/editorial) | the Siete Suyos mine, the Ănimas, Burton, Colorada, and Rosario veins in the Ănimas mine and the Nueva...Nueva vein in the Chocaya mine. A three-stage paragenetic sequence is roughly determined for all of them,...which is found in the Diez vein in the Siete Suyos mine, occur in crustiform bands of sphalerite with local...Avelino Aramayo, and SimĂłn I. Patiño. The Ănimas mine was first exploited by the Aramayo Mines Company...Company from 1870. The Chocaya (or Chocaya La Vieja) mine was first mined by the Minera y AgrĂcola Oploca Company | | 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,â ,* DAVID R. COOKE, RON F....Collahuasi SCM, Pedro Lagos 1090, Iquique, Chile Abstract The Rosario and Ujina porphyry Cu-Mo deposits, together...with the Domeyko fault system in northern Chile. At Rosario, fault-hosted Cu-Agârich massive sulfide veins...associated with pyrophyllite-alunite-quartz altered rocks. The Rosario massive sulfide veins cut biotitealbite-magnetite...south of Rosario. Copper ore at Ujina is associated with a K-feldspar-biotite-altered quartz monzonite | | Camus, Francisco, Boric P., Ricardo, Skewes, Milka Alexandra, Castelli, Juan Carlos, Reichhard, Enrique, Mestre, Andres (1991) Geologic, structural, and fluid inclusion studies of El Bronce epithermal vein system, Petorca, central Chile. Economic Geology, 86 (6) 1317-1345 doi:10.2113/gsecongeo.86.6.1317 | Journal (article/letter/editorial) | Santiago,Chile RICARDO BORIC, CompaniaMineraDisputadade Las Condes,Pedrode Valdivia291, Santiago,Chile MILKA...ALEXANDRA SKEWES, Casilla 970, Correo Central, Santiago,Chile JUANCARLOSCASTELLI, EmpresaNacionalde Petroleo-Magallanes...Petroleo-Magallanes, loseNogueira1101,PuntaArenas,Chile ENRIQUE REICHHARD, AND ANDRESMESTRE CompaniaMineraEl...CompaniaMineraEl Bronce,Carmencita240, Santiago,Chile Abstract The E1Bronceepithermalveinsystem,locatedin the westernfoothillsof...Ganguemineralsconsistof quartz,carbonates, barite,andchlorite.Fiveparagenetic stages arerecognized: (1) quartz-pyrite-gold | | | Journal (article/letter/editorial) | of Northern Chile Preface FRANCISCO CAMUS â Codelco-Chile, HuĂ©rfanos 1270, Santiago, Chile AND JOHN H...University, Corvallis, Oregon 97331 Introduction Chile is known worldwide as the site of one of the largest...production of more than 50 Mt of fine copper. Currently, Chile annually produces about 4.6 Mt of fine copper that...exploration efforts in the Central Andes with emphasis in Chile. During the past 25 years, exploration expenditures...porphyries at La Escondida, Escondida Norte, ZaldĂvar, Rosario and Ujina in the Collahuasi mining district, Quebrada | | | Journal (article/letter/editorial) | Geologic Evolution of the Escondida Area, Northern Chile: A Model for Spatial and Temporal Localization of...has been carried out over a 745-km2 area of the Atacama Desert surrounding the porphyry Cu deposits at...and Chimborazo (Cordillera de Domeyko, northern Chile). The purpose of this study was to examine the regional...throughout much of the porphyry belt of northern Chile. Geochemically, they are I-type in character, but...giant porphyry deposits. Introduction NORTHERN CHILE is the worldâs premier porphyry copper district | | | Journal (article/letter/editorial) | apatites from magnetite-apatite ores in northern Chile, and their ore-genetic implications PETER J. TRELOAR...Magnetite-apatite deposits associated with the Atacama Fault Zone of northern Chile are interpreted here, on field criteria...calc-alkaline basic magmas. KEYWORDS: Apatites, Chile, ore-genesis, halogen. Introduction MAGNETITE-RICHbodies...characteristic of the westernmost part of the Chilean ore province (Clark et al., 1976; Sillitoe, 1976; Frutos, 1982;...at E1 Laco in Chile (Park, 1961, Nystrom and Henriquez, 1994) or Pleito-Melon in Chile (Travisany et | | 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 OSSANDĂN C., CODELCO-Chile, Gerencia Exploraciones...Santiago, Chile ROBERTO FRĂRAUT C., CODELCO-Chile, Superintendencia GeologĂa, 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 worldâs greatest copper orebody. It was...preserved. It is accompanied by granular quartz and quartz-K feldspar veinlets, which contain only trace | | | Report (issue) | ophyllite; 5. 2 cm tall Cerro Rico, Potosi, B,atillo province, Potosi Andy Seibel col/action Jejf-SC,m/.plwto...wp11ïżœ. Yaalte: 12.5 cm wide Siglo XX Mine, ,Uïżœ Bustillo province, Potosi Malty Zinn colkdknt (ex Marv........................... 14 BY ALFREDO PETROV Quartz & cassiterite 4.3 cm; Huanuni Dave Bunk specimen...in Oruro ... 26 BY ROBERT B. COOK The Morococala Mine ..................................................Deposit: A Pre-Columbian Gem Mine ........... 80 BY ALFREDO PETROV The Anahi Mine ....................... |
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