 | | 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) | | Geochronologyof the Maricunga Gold-Silver Belt, Northern Chile RICHARD H. SILLITOE, 27 WestHill Park, HighgateVillage...ileLtda., AvenidaPedrode Valdivia295, Santiago,Chile Abstract The Maricungametallogenicbelt in northernChile...tersin the belt, includingthe La Coipa,La Pepa,Marte, andLobodeposits, weredatedradiometrically using...Reand 28 ø S in the Andean Cordillera of northern Chile at Aldebaran,gold-silverat (Fig. 1) at altitudesrangingfromabout4...during the initial stagesof, the subductionzone Marte porphyrygold deposit(Vila et al., 1991), the fl |  | | Journal (article/letter/editorial) | | Deposits,Chile JOHN DAVIDSON Minera ComincoResourcesChile, Ltda., Los Leones234, Santiago,Chile AND CONSTANTINO...Minerfa, Casilla 10465, Santiago,Chile Abstract Epithermal gold depositsin Chile are Cretaceousto Cenozoicin...hydrothermalalterationzones were formed in central Chile. Paleocene-Eocene volcanicrocksconstitutea large...DepositssuchasEl IndioTambo,Nevada,La Pepa,Lobo, Marte, andLa Coipa are hostedby Oligocene-Miocenevolcanics...and 33 ø S. Late Mioceneto Holocenemagmatismin Chile is presentin two segmentsbeneathwhich the dip of |  | | Journal (article/letter/editorial) | | Magmatic Evolution of the Maricunga Mineral Belt in Chile a b c Suzanne Mahlburg Kay , Constantino Mpodozis...y Mineria, Avenida Santa Maria 0104, Santiago, Chile c Department of Geological Sciences, Snee Hall...y Mineria, Avenida Santa Maria 0104, Santiago, Chile Version of record first published: 06 Jul 2010....Magmatic Evolution of the Maricunga Mineral Belt in Chile, International Geology Review, 36:12, 1079-1112...Magmatic Evolution of the Maricunga Mineral Belt in Chile SUZANNE MAHLBURG KAY, Department of Geological Sciences |  | Rosenbaum, Gideon, Giles, David, Saxon, Mark, Betts, Peter G., Weinberg, Roberto F., Duboz, Cecile (2005) Subduction of the Nazca Ridge and the Inca Plateau: Insights into the formation of ore deposits in Peru. Earth and Planetary Science Letters, 239 (1) 18-32 doi:10.1016/j.epsl.2005.08.003 | Journal (article/letter/editorial) | | Indio; ET, El Teniente; LG, La Granja; LM, Lobo Marte; LP, Los Pelambres (+El Pachon); Ne, Navada; Pi...mineral deposits in northern Peru and in central Chile (Fig. 2). In this paper we propose that a key factor...Associated topographic anomaly Central Chile Central Chile Central Chile 7.1–4.6 5.4 10 108.97 50.00 26.22...6.3–4.9 12.8–12.0 7.37 6.23 Argentina Central Chile Peru 8–7 13.5 8–7.4 4.06 3.45 2.68 See Supplementary...topographic anomaly Central Chile Argentina Central Chile Central Chile Argentina Northern Peru 13.5 |  | | Journal (article/letter/editorial) | | ORIGIN OF THE EL LACO MAGNETITE DEPOSIT, NORTHERN CHILE RICHARD H. SILLITOE† 27 West Hill Park, Highgate...Plio-Pleistocene volcanic arc of Region II, northern Chile, and comprises seven discrete bodies of massive...associated hydrothermal alteration, El Laco, northern Chile (latitude, 23°50'29.6"; longitude, 67°29'24.6")...elsewhere (e.g., Manto Verde copper deposit, northern Chile; Vila et al., 1996). Similar observations, also...formed during pyrite oxidation throughout northern Chile (Sillitoe and McKee, 1996) and elsewhere, but quite |  | | Journal (article/letter/editorial) | | Norrbotten ore province Æ Sweden Introduction Aitik is Sweden’s largest copper mine and one of Europe’s...had been produced since mining began in 1968. The mine has a remaining reserve of 226 Mt of ore with an...of Gällivare, in the northern Norrbotten ore province (Fig. 1). Several other epigenetic copper–gold...ore deposits occur in the region; the entire ore province produces about 90% of the total tonnage of ore...ore province and the Aitik Cu–Au deposit. A The location of the northern Norrbotten ore province in Scandinavia |  | | Catalog/List | | piece. 1. GOLDEN BARYTE (9cm l 8cm l 7an) Meil:Je Mine, EU:o Co1U1ty, Nn-ada, USA Highly lusirou, brighl...CINNABAR ON DOLOMITE (3.5cm l 3cm l Ian) Xowidlow Province. China Sleoder modified beugooal cochineal - red...RHODONITE A QUARTZ (12cm 18cm x 4an) Clw,n,cM Mine, Dos� Mayo Province, Huanon Departement, Peru AA )OU can -...rare indeed and this recall fiDd a1 lbe Cbl11111cu mine produced some very fine material. This ,pecimen...CALCITE PSEUDOMORPH AFTER ARAGONJTE WITH NATIVE SULPHUR ,(6cm & 4cm & 4cm) Sddly, /laJy .A Scm looa anaoaiJe |  | | Journal (article/letter/editorial) | | ®eld work in the Kwekwe district near the Indarama mine, approximately 200 km southwest of Harare, Zimbabwe...Zimbabwe and, on a world scale, represents a major province of vein and shear-zone hosted gold- and gold-antimony...gold production has not been recorded. The Ford mine is located about 10 km north of the town of Kwekwe...and processed at the nearby Indarama/Broomstock mine site. Gold is extracted by carbon-in-pulp cyanide...with a recovery of 90%. Mineralization at the Ford mine is not spatially related to major veins as are many |  | Henley, Richard W., King, Penelope L., Wykes, Jeremy L., Renggli, Christian J., Brink, Frank J., Clark, David A., Troitzsch, Ulrike (2015) Porphyry copper deposit formation by sub-volcanic sulphur dioxide flux and chemisorption. Nature Geoscience, 8 (3) 210-215 doi:10.1038/ngeo2367 | Journal (article/letter/editorial) | | Porphyry copper deposit formation by sub-volcanic sulphur dioxide flux and chemisorption Richard W. Henley1†...commonly assumed to form by a reaction between sulphur dioxide and water, but this reaction is inefficient3...very rapid chemisorption reaction occurs between sulphur dioxide gas, a principal component of magmatic...contain a few mole per cent each of CO2(g) and sulphur, as sulphur dioxide (SO2(g) ) and lesser hydrogen sulphide...Porphyry copper deposits contain significantly more sulphur (&1 Gt) than copper (>200 Mt; refs 11,12) so that |  | | 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 |  | | Journal (article/letter/editorial) | | advanced argillic lithocap of the Marte porphyry gold deposit, northern Chile (see Sillitoe 1994). b Steam-heated...Norte HS gold-silver orebody at La Coipa, northern Chile. Note its white, friable character. c Steam-heated...peripheral to the La Coipa HS-IS gold-silver district, Chile. f Hydrothermal breccia, generated by shallow-seated...steam-heated zone, Pascua-Lama HS gold-silver deposit, Chile. Geologist stands just left of contact with non-brecciated...was formerly exploited in places (e.g., La Coipa, Chile; El Queva, Argentina; Sillitoe 1975). However, much |  | | Book | | Manchester in 1973 (Ph.D.) and was then employed as a mine and exploration geologist by Falcon Mines Ltd in...economic geologist with the Geological Survey of Chile. During the last 19 years he has worked as an independent...42 42 43 45 45 CONTENTS x 2.3.5 Additional sulphur-containing ligands 2.3.6 Other ligands 2.4 Gold...13.1 Introduction 13.2 Market setting 13.3 Gold-mine production 13.3.1 World-wide trends 13.3.2 Brazil...consensus prevails that MORB is sulphur-saturated at eruption (Mathez, 1976). Sulphur saturation would exercise |  | | Journal (article/letter/editorial) | | remains is abstracted, together with some of the sulphur compounds. acid be removed, fo'r obvi ous...lime, the oxide of iron serving to remove the sulphur the whole length of the range, as shown in the...retorts are 25 inches in width, 14 torts are marte to travel ranged in three tiers, as shown in |  | Böning, Philipp, Brumsack, Hans-Jürgen, Böttcher, Michael E., Schnetger, Bernhard, Kriete, Cornelia, Kallmeyer, Jens, Borchers, Sven Lars (2004) Geochemistry of Peruvian near-surface sediments. Geochimica et Cosmochimica Acta, 68 (21) 4429-4451 doi:10.1016/j.gca.2004.04.027 | Journal (article/letter/editorial) | | references therein): the equator-ward O2-rich Peru Chile Current and the pole-ward undercurrent. The nutrientrich...Peruvian Andes (Clapperton 1993) and (ii) the Atacama desert from which quartz-rich eolian dust is spread...comparable to those found for the upwelling area off Chile and on the NW shelf of the Black Sea (Table 2; Fig...not observed in surface upwelling sediments off Chile, except for a shallow harbor site with strong anthropogenic...previously published values for upwelling sediments off Chile, sapropels from the Eastern Mediterranean (Passier |  | Cinti, D., Procesi, M., Tassi, F., Montegrossi, G., Sciarra, A., Vaselli, O., Quattrocchi, F. (2011) Fluid geochemistry and geothermometry in the western sector of the Sabatini Volcanic District and the Tolfa Mountains (Central Italy) Chemical Geology, 284 (1) 160-181 doi:10.1016/j.chemgeo.2011.02.017 | Journal (article/letter/editorial) | | formed by acid products of the Tuscan Magmatic Province and Quaternary undersaturated alkali–potassic...alkali–potassic volcanic rocks of the Roman Magmatic Province. The Tuscan volcanic products consist of rhyolites, rhyodacites...Campacceto Monte Rovello Pian dell'Organo Campo di Marte Civitavecchia Albani & Ruggeri 4 Albani & Ruggeri...of alkali– potassic rocks of the Roman magmatic province (De Rita et al., 1993). The distribution of water...Campacceto Monte Rovello Pian dell'Organo Campo di Marte Civitavecchia Albani & Ruggeri 4 Albani & Ruggeri |  | | Journal (article/letter/editorial) | | referredto asa "porphyry' gold" deposit (e.g., Marte, Chile: Vila et al.,1991).Fe•vsuch WHEREAS thetransport...Theporphyry gold tional,v. 8, p. 468-481. depositat Marte,northernChile:ECONOMIC GEOLOGY, v. 86, p. 1271Shock...v. 22, p. 945-948. Wyborn,D., andSun,S.S.,1994,Sulphur-undersaturated magmatism--a ß1995a,Gold-richporphyry |  | | Book | | org/details/geologyofchile0000unse The Geology of Chile • The Geologica l Society of London Books Editorial...T. & GIBBO, s, W . (eds) 2007 . The Geology of Chile. The Geological Society, London. CHARRIER, R., PINTO...the Andean Orogeo in Chile. Jn: MORENO, T. & GrnsoNs, W. (eds) The Geology of Chile. The Geological Society...Society, London, 21-114. The Geology of Chile EDITED BY TERESA MORENO Earth Sciences Institute 'J aume...Grosjean 13. Field excursion from central Chile to the Atacama De<,crt. W. Gibbons & -1. Moreno 329 |  | | Journal (article/letter/editorial) | | contain ice. 94. Nitrogen Cycling at Yungay in the Atacama Desert Rocco L. Mancinelli Center for the Study...the origin and evolution of life. The Atacama desert in Chile is a large NO3 salt deposit that has been...proven. We analyzed Yungay, the driest area of the Atacama. Rates of denitrification were determined using...http:// www-691.gsfc.nasa.gov/cosmic.ice.lab. 284. MARTE: Simulated Martian Drilling and Remote Sensing of...Astrobiology Research and Technology Experiment (MARTE) assembled a US science team at NASA Ames, CA., |  | | Book | | expofé les caraétères diftinétifs de chaque efpèce de Mine, d’après fa figure extéa ùj i vj PRÉFACE. rieure...Ochres martiales & cuivreufes, Y Hématite 8c la Mine rouge de cuivre en fourniflent des exem¬ ples. Les...l’état de chaux ou à l’état falin j c’efl: que la mine a déjà éprou¬ vé de l’altération, ainfl que j’aurai...mines qui appartiennent à cette claife font, la Mine d'Argent cor- X PRÉFACE. née, les Mines de Ferfpathtques... PRÉFACE. xj Voit qu’il fe rencontre toujours fur une Mine d’Argent blanche ou gri/è, dont l’état de décompofition |  | | Journal (article/letter/editorial) | | remains is abstracted, together with some of the sulphur compounds. acid be removed, fo'r obvi ous...lime, the oxide of iron serving to remove the sulphur the whole length of the range, as shown in the...retorts are 25 inches in width, 14 torts are marte to travel ranged in three tiers, as shown in |  | | Report (chapter) | | four broad groupings, all of which exhibit high sulphur contents but otherwise have varied physical and...Continental arc (CA), view of the Andean arc in northern Chile. (e) Large ocean closure (LOC), view of the Altaids...Coipa La Escondida Lamaque-Sigma Lihir Island Lobo-Marte Lone Tree Macraes Flat Majdanpek Malanjkand Masbate |  | | Book (edition) | | . . . . . . . . . . . . . . . . . . 4.1 Roman Province (Italy): Example from a Continental Arc Setting...de La Alumbrera Copper-Gold Deposit, Catamarca Province, Argentina . . 6.4.2 Bingham Copper-Molybdenum.... . . . . . . . . 6.4.3 El Indio Gold Deposit, Chile . . . . . . . . . . 6.4.4 Cripple Creek Gold Deposit...8.5 Shoshonitic Lamprophyres from the Superior Province, Canada (Archean) . . . . . . . . . . . . . ....Aeolian Islands, 3 Chile, 4 Peru, 5 Costa Rica, 6 Mexico, 7 New Mexico, 8 Roman Province, 9 Eastern Alps |  | | Journal (article/letter/editorial) | | IndioMaricunga belt, Chile Farallón Negro district, Argentina Patagonian province, Argentina-Chile Au content...northern Peru and El Indio-Maricunga belt in northern Chile, each ~400 km long, and the Pueblo Viejo district...contemporaneous volcanism (e.g., Pascua-Lama, northern Chile-Argentina: Bissig et al., 2001; Pueblo Viejo, Dominican...Farallón Negro district PCu, is19 Patagonian province LS 15 SEDH Sediment hosted ORO Orogenic RPR Reduced...the position of the Great Basin physiographic province, mentioned in the text (2005), defined the 200-km-long |  | | Book (chapter) | | = melanterite, Novitzky 75 (1951). vitriolo de marte = melanterite, Egleston 208 (1892). vitriolo de...6th, 352 (1892). Volcanit (Haidinger) = Se-rich sulphur-α, Clark 740 (1993). volchonskoite = volkonskoite...6th, 175 (1892). Vulcanit (Chudoba) = Se-rich sulphur-α, Chudoba RI, 68 (1939). vulcanite (?) = S-rich |
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