 | | Journal (article/letter/editorial) | | prominenteuhedralphenocrystswhereasthe hydrothermal biotite, a componentof potassiumsilicate alteration,normally...Cerro Mercedario, San Juan, the possessonly loosestratigraphicconstraintson their biotite was extractedfrom...magmatic and on hydrothermal biotite becausea eludingBajo del Durazno and Bajo de San Lucas nmnberof studies(e...Direcci6n General de FabricacionesMilkares of Argentina and the United Nations (United Nations,1968)....radiometricdating (Caelleset al., 1971). For most centersin San Juan, Mendoza,and Neuqu•n provinces,a late Cretaceous-early |  | González-Menéndez, L., Gallastegui, G., Cuesta, A., Heredia, N., Rubio-Ordóñez, A. (2013) Petrogenesis of Early Paleozoic basalts and gabbros in the western Cuyania terrane: Constraints on the tectonic setting of the southwestern Gondwana margin (Sierra del Tigre, Andean Argentine Precordillera) Gondwana Research, 24 (1) 359-376 doi:10.1016/j.gr.2012.09.011 | Journal (article/letter/editorial) | | c/ Matemático Pedrayes 25, 33005 Oviedo, Spain Department of Geology, University of Oviedo, c/ Jesús Arias...Precordillera are represented by the Don Polo, Alcaparrosa-Yerba Loca, and Los Sombreros formations (Fig...Proterozoic–Ordovician in age (Baldis et al., 1982). The Alcaparrosa Formation, of Middle–Late Ordovician age, consists...70°W Pq E 2924 TIGR Pq 2764 2 764 Pq Calingasta LOS CERRILLOS Quaternary 4 5 45 2575 65...I 50 Pq 0 Tertiary 1 3 300 Pq Q. DE S. JUAN 0 250 6 Sierra Pie de Palo PAMPA DE LA INVERNADA |  | | Book (edition) | | COMPENDIO de LAS ESPECIES MINERALES DE LA REPÚBLICA ARGENTINA Compilado y parcialmente actualizado por Milka...edición Roberto Miró ASOCIACIÓN MINERALÓGICA ARGENTINA FUNDACIÓN EMPREMIN 2015 PRÓLOGO Los tomos 1...(2007) de LAS ESPECIES MINERALES DE LA REPÚBLICA ARGENTINA se encuentran agotados y a pedido de numerosos...COMPENDIO DE LAS ESPECIES MINERALES DE LA REPÚBLICA ARGENTINA Con respecto a la versión anterior se han agregado...“Observaciones mineralógicas de la República Argentina”, referente a unas 30 especies pertenecientes |  | | Journal (article/letter/editorial) | | ASTER data in the Infiernillo porphyry deposit, Argentina Inés Di Tommaso a,⁎, Nora Rubinstein b,1 a b ...piso Sector 1, (1322) Ciudad de Buenos Aires, Argentina Departamento de Geología, Universidad de Buenos...Universitaria (1428) Ciudad de Buenos Aires, Argentina Received 14 April 2005; accepted 22 May 2006 Available...deposit is located in the San Rafael Massif, in southern Mendoza Province, Argentina. It is hosted by and...ASTER; Alteration minerals; Mining exploration; Argentina 1. Introduction ⁎ Corresponding author. Tel.: |  | | Journal (article/letter/editorial) | | the Guarguariiz Complex, Cordillera Frontal, Argentina Vanina L. L6pez and Daniel A. Gregori" Ca'tedra...Sur-CONICET, Bahia Blanca, Postal code-8000, Argentina * Corresponding author: E-mail: usgregor~criba...arc, Argentina. Introduction Neoproterozoic to Lower Paleozoic rocks crop out in western Argentina, along...metasedimentary rocks include quartz-micaceous and biotite-garnetiferousschists, mxbles and metapelites. Theybelong... Fig. 1. Geological configuration of western Argentina and Chile, displaying distribution of Paleozoic |  | | Journal (article/letter/editorial) | | John F.H. Thompson (1), Jorge Carriedo(2) (1) Department of Earth and Atmospheric Sciences, Cornell University...Mantos de Cobre, Candelaria Norte, Granate, Alcaparrosa, Atacama Kozan, Las Pintadas). The district,...chalcopyritedominant mineralization with magnetite-actinolite-biotite-K-feldspar alteration. In addition to magnetite...stage; e.g. Olympic Dam and Oak Dam in the Gawler Province, South Australia (Oreskes and Einaudi, 1990; Davidson...other active mines: Candelaria Norte, Santos, Alcaparrosa, Punta del Cobre, Granate, Mantos de Cobre, Carola |  | Maydagan, L., Franchini, M., Chiaradia, M., Dilles, J., Rey, R. (2014) The Altar Porphyry Cu-(Au-Mo) Deposit (Argentina): A Complex Magmatic-Hydrothermal System with Evidence of Recharge Processes. Economic Geology, 109 (3) 621-641 doi:10.2113/econgeo.109.3.621 | Journal (article/letter/editorial) | | 621–641 The Altar Porphyry Cu-(Au-Mo) Deposit (Argentina): A Complex Magmatic-Hydrothermal System with...Autónoma de Buenos Aires, Argentina 2 Departamento 3 Departamento 4 Department de Geología y Petróleo...1400, 8300 Neuquén, Argentina de Geología, Universidad Nacional del Sur, San Juan 670, 8000 Bahía Blanca...Blanca, Argentina of Mineralogy, University of Geneva, Rue des Maraîchers 13, 1205 Geneva, Switzerland...(Oeste) 117, Piso 5, Edificio Derby, Ciudad San Juan, Argentina Abstract Altar (31º 29’ S, 70º 28’ W) is |  | | Journal (article/letter/editorial) | | Genève 4, Switzerland Present address: R. Marschik Department of Earth and Environmental Sciences, Ludwig-Maximilians...Batholith of northern Chile. Near the Candelaria mine, the Copiapó plutonic complex mainly consists of...Copiapó. Sample positions and locations of selected mine sites are indicated. (Modified from Arévalo 1994...(albite and/or marialitic scapolite) or potassic (biotite and/or K-feldspar) alteration that is related to...potassium metasomatized rocks. In the Candelaria mine and other deposits west of the Copiapó River, hydrothermal |  | | Journal (article/letter/editorial) | | active mines: Candelaria, Candelaria Norte, Alcaparrosa, Santos, Atacama Kozan, Granate, Punta del Cobre...120 Ma 100 – 110 Ma < 100 OC EA AT LA CHILE ARGENTINA IC Santiago N SOUTH AMERICA NT PACIFIC OCEAN...replacement with associated magnetite-actinolite-biotite-K-feldspar alteration (Marschik and Fontboté, 2001b;...Santos (samples DH996-2, DH996-21, and DH996-23), Alcaparrosa (samples AD0093-14, AD006-26), Candelaria (samples...AD357-8, AD357-20, and AD009-14), are from the Alcaparrosa deposit. These were selected for whole-grain |  | | Journal (article/letter/editorial) | | remagnetization in the North Patagonian massif, Argentina Renata N. Tomezzoli a,⁎, Augusto E. Rapalini a...Exactas y Naturales, Universidad de Buenos–CONICET, Argentina b Instituto Nacional de Geocronología y Geología...(INGEIS), CONICET–Universidad de Buenos Aires, Argentina a r t i c l e i n f o Article history: Received...the formation of magnetite and/or hematite after biotite. A paleomagnetic pole (PP) was computed from the...Australes belt and related to the ca. 290–270 Ma San Rafael tectonic phase. Slightly younger remagnetizations |  | | Report (issue) | | Ryde, N.S.W. 2109, Australia *Present address: Department of Geology and Geophysics, University of Western...Australia, appeared to extend through Antarctica to Argentina. Powell had, in 1985, spent two months visiting...Ventana and the Callingasta-Uspallata basins in Argentina at the invitation of Arturo Amos and colleagues...its reconstructed 10,000 km extent from western Argentina to northern Queensland. Each sector was to be...first draft of the Antarctic *Present address: Department of Geology and Geophysics, University of Western |  | Garrido, Mirta, Barra, Fernando, Domínguez, Eduardo, Ruiz, Joaquin, Valencia, Victor A. (2008) Late Carboniferous porphyry copper mineralization at La Voluntad, Neuquén, Argentina: Constraints from Re–Os molybdenite dating. Mineralium Deposita, 43 (5) 591-597 doi:10.1007/s00126-008-0189-z | Journal (article/letter/editorial) | | copper mineralization at La Voluntad, Neuquén, Argentina: Constraints from Re–Os molybdenite dating Mirta...La Voluntad porphyry Cu–Mo deposit in Neuquén, Argentina, is one of several poorly known porphyry-type...Sur, San Juan 670, 8000 Bahía Blanca, Argentina F. Barra (*) : J. Ruiz : V. A. Valencia Department of Geosciences...Cordillera is probably the most important copper province in the world with several world-class porphyry...and is part of the Sierra de Chachil, Neuquén, Argentina. The deposit was discovered ca. 1974 by the Dirección |  | | Journal (article/letter/editorial) | | major plutons in the vicinity of the Candelaria mine (470 Mt at 0.95% Cu, 0.22 g/t Au, 3.1 g/t Ag) and...handling: A. Boyce R. Marschik (*) : F. Söllner Department of Earth and Environmental Sciences, Ludwig-...of about 1.46 to 1.21 Ga are for the Belén and Quebrada Choja supracrustal sequences in the Precordillera...zircons from Devonian metasedimentary rocks at Quebrada Las Animas near Chañaral (latitude 26°25′S; Berg...Ordovician–Silurian plutonism occurred mostly in northwest Argentina (Damm et al. 1990, 1994), whereas Carboniferous |  | | Journal (article/letter/editorial) | | Chile. This belt includes the large Candelaria mine and a group of middle- and small-sized mines in...elements. The ore is hosted mainly in zones with biotite-potassium feldspar ± calcic amphibole ± epidote...whereas at shallow levels it occurs in zones of biotite-potassium feldspar, or albite-chlorite ± calcite...of magmatic origin. Anhydrite from the Candelaria mine paragenetically overlaps with chalcopyrite. Fluid...Q. Paipote Ru ta Closed mine Carmen Chañeral 5-P an am eri ca na Mine in operation 26° Mantos |  | | Journal (article/letter/editorial) | | Central Atacama Province, Chile Abstract: Geologically, the central part of Atacama Province straddles the...The entire area is in the copper metallogenetic province of Ruiz and Ericksen (1962), and parts of it are...are represented in the central part of Atacama Province. However, most of the production of metals has...References cited 317 Figure 1. Index map of Atacama Province, Chile . . . 306 2. Locations of figures in Plates...locations of representative mines in central Atacama Province, Chile 314 Plate Facing 1. Geologic map and structure |  | | Journal (article/letter/editorial) | | the mineralogy of Chuquicamata, euerena, and Alcaparrosa, three sulphate deposits near calama, in Northern...the mineralogy of Chuquicamata, euetena and. Alcaparrosa in Northern chile forms the basis of this paper...acknowledge the financial assistancegiven him by the Department of Mineralogy, Harvard University, and the United...relative locations of Chuquicamata, Quetena and Alcaparrosa Mines' miles). Both of these cities are on the...coast. The only other city of any size in the Province is Calama, a small city about equidistant from |  | | Journal (article/letter/editorial) | | at the Koashva open pit of the Vostochnyi apatite mine, Khibiny, with aegirine, microcline, lamprophyllite...from the El Guanaco gold deposit, Antofagasta Province, Chile. Neues Jahrbuch für Mineralogie– Abhandlungen...related to covellite, was discovered at in the Chilena mine at the El Guanaco Au deposit (25°06′22″S 69°32′10″W)...Atacama desert ~100 km ENE of Taltal, Antofagasta Province, Chile. The El Guanaco is an epithermal deposit...Archaean Karonie gold deposit, Eastern Goldfields province, Western Australia. The gold deposits are predominantly |  | | Report (chapter) | | within the Andes (the Precordillera of western Argentina) has recently been interpreted as a Laurentia-derived...outcrops from the province of Mendoza (e.g., San Rafael) southeastwards towards the province of La Pampa (LimayMahuida)... Fig. 1. (a) Geological provinces of western Argentina, showing location of the Precordillera (PR) block:...Tontal (3), Los Sombreros (4), Cerro Pelado (5), San Isidro (6) (after Astini et al. 1996, figs 1, 3;...published with permission, Asociacion Geologica de Argentina). belt in the Marathon/Solitario area of west |  | Arevalo, C., Grocott, J., Martin, W., Pringle, M., Taylor, G. (2006) Structural Setting of the Candelaria Fe Oxide Cu-Au Deposit, Chilean Andes (27 30' S) Economic Geology, 101 (4) 819-841 doi:10.2113/gsecongeo.101.4.819 | Journal (article/letter/editorial) | | Amarilla, III Región, Chile MALCOLM PRINGLE, Department of Earth, Atmospheric and Planetary Sciences...aureole of the arc plutonic rocks. The La Brea and the San Gregorio plutonic complexes are exposed in the plutonic...39Ar age of 111.5 ± 0.4 Ma was obtained for the San Gregorio plutonic complex. 40Ar/ 39Ar ages of 111...4 and 110.7 ± 1.6 Ma obtained from syntectonic biotite from the Candelaria shear zone are interpreted...These are indistinguishable from the age of the San Gregorio plutonic complex, and therefore heat from |  | | Journal (article/letter/editorial) | | Ordovician rocks from the Precordillera of western Argentina GUSTAVO G. VOLDMAN ∗ §, GUILLERMO L. ALBANESI...de Córdoba, P.O. Box 1598, X5000FCO Córdoba, Argentina †INGEIS (CONICET – UBA) and Universidad Nacional...Nacional de Buenos Aires, 1428 Buenos Aires, Argentina (Received 8 June 2007; accepted 23 July 2007; First...Ordovician), exposed in the Western Precordillera, San Juan, Argentina, is made up of clastic–carbonate turbidites...contact metamorphism, Ordovician, Precordillera, Argentina. 1. Introduction Ordovician sedimentary sequences |  | | Journal (issue) | | ...103 by M. Hansen The libethenite zone, Burra mine, South Australia .................................Mineralogical Research Co., 704 Charcot Avenue, San Jose, CA 95131. A list of other dealers in back issues...92-meter level,” though all other measurements in the mine will be converted. In short, English units will...subsequently worked in the Surveyor’s Department at the Geevor tin mine (Pendeen, Cornwall), and with Consolidated...about 20 minutes late. Not bad. We went first to a mine between Huantajaya and Santa Rosa. The Instituto |  | Mathur, R., Marschik, R., Ruiz, J., Munizaga, F., Leveille, R. A., Martin, W. (2002) Age of Mineralization of the Candelaria Fe Oxide Cu-Au Deposit and the Origin of the Chilean Iron Belt, Based on Re-Os Isotopes. Economic Geology, 97 (1) 59-71 doi:10.2113/gsecongeo.97.1.59 | Journal (article/letter/editorial) | | Belt, Based on Re-Os Isotopes RYAN MATHUR,†, * Department of Geosciences, University of Arizona, Tucson...MARSCHIK,** Department of Geosciences, University of Arizona, Tucson, Arizona, Department of Mineralogy...Technology, Freiberg, Germany JOAQUIN RUIZ, Department of Geosciences, University of Arizona, Tucson...are consistent with previously reported ages for biotite alteration that range from 114 to 116 Ma. An isochron...initial 187Os/188Os ratio for sulfide from Bronce mine, a small satellite of the Candelaria orebody, is |  | | Report (chapter) | | from Sulfide Mineral Oxidation John L. Jambor Department of Earth and Ocean Sciences University of British...closed-basin lakes, in rock outcrops, and in mines and mine wastes has been noted since early antiquity. The...rocks, coal deposits, metallic ore deposits, and mine wastes. The composition of the salts reflects the...was shipped in large quantities from the Bluestone mine, Nevada (Palache et al. 1951). Many of the soluble...is a massive sulfide that hosts extremely acidic mine waters, some with negative pH values (Nordstrom |  | | Journal (article/letter/editorial) | | (2008) and Xavier et al. (2008) in the Carajás Province, Brazil. Here, high δ11B values are indicative...The Cretaceous Iron Belt is the westernmost ore province of the South American Cordillera; eastward, it...and are associated with a K–feldspar–actinolite±biotite alteration assemblage; they probably formed at...Mt at 0.95% Cu), Carola (20 Mt at 1.4% Cu), Alcaparrosa, and Santos. These deposits are hosted by the...assemblages are biotite–magnetite–actinolite±K feldspar± epidote±quartz in the deep zones and biotite–K feldspar± |  | | Report (issue) | | U.S DEPARTMENT OF THE INTERIOR U.S GEOLOGICAL SURVEY METALLIC ORE DEPOSITS, MINERAL DEPOSITS AND PROSPECTS...National de Geologia y Mineria was accommodated by Juan Carlos Parra, Victor Maksaev, and the library staff...Region Current largest geographical division. Province Current geographical division after Region. Commodities...CORRELATE DUE TO LENS-LIKE MORPHOLOGY. SOUTHWEST OF MINE. A GRANODIORITE WITH INCIPIENT TO COMPLETE CHLORITIZATION...CHLORITIZATION DATES AT 147 +/- 2.3MA JK/AR - BIOTITE): A HORNBLENDE-BEARING DIKE UNTRUDES HOST ROCK AND |
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