 | | Journal (article/letter/editorial) | | Framework of the Veladero High-Sulfidation Epithermal Deposit Area, Cordillera Frontal, Argentina DIEGO CHARCHAFLIÉ...Indio belt of Chile-Argentina, the 12.6-million ounce (Moz) gold, late Miocene Veladero high-sulfidation...bedded volcaniclastic breccia and minor air-fall tuff of the middle Miocene Cerro de las Tórtolas Formation...belt that was bevelled by the regional Miocene Frontera-Deidad paleogeomorphic surface. The Cerro de las...Formation, deposited across the Frontera-Deidad surface, represents at Veladero an ~16 Ma vent complex characterized |  | | Journal (article/letter/editorial) | | Belt, Chile and Argentina THOMAS BISSIG,* ALAN H. CLARK,† JAMES K.W. LEE, Department of Geological Sciences...Cordillera Principal. The deposits of the Pascua-Lama, Veladero, El Indio, and Tambo districts are hosted by largely...landforms of regional extent: (1) the ca. 15- to 17-Ma Frontera-Deidad Surface; (2) the ca. 12.5- to 14-Ma Azufreras-Torta...*Present address: Mineral Deposits Research Unit, Department of Earth and Ocean Sciences, University of British...gold-silver-copper belt which straddles the Chile-Argentina frontier along the tectonic and physiographic |  | | Journal (article/letter/editorial) | | 311–330 The Veladero High-Sulfidation Epithermal Gold Deposit, El Indio-Pascua Belt, Argentina: Geochronology...Thomas Bissig,2 and Thomas Monecke3 1 Department 2 Mineral of Mining Engineering, Colorado School of Mines...Golden, Colorado 80401 Deposit Research Unit, Department of Earth, Ocean and Atmospheric Sciences, University...Vancouver, British Columbia V6T 1Z4, Canada 3 Department of Geology and Geological Engineering, Colorado...Golden, Colorado 80401 Abstract The world-class Veladero high-sulfidation epithermal gold deposit is located |  | Bissig, Thomas, Lee, James K. W., Clark, Alan H., Heather, Kevin B. (2001) The Cenozoic History of Volcanism and Hydrothermal Alteration in the Central Andean Flat-Slab Region: New 40Ar-39Ar Constraints from the El Indio–Pascua Au (-Ag, Cu) Belt, 29°20′–30°30′ S. International Geology Review, 43 (4) 312-340 doi:10.1080/00206810109465016 | Journal (article/letter/editorial) | | Lee , Alan H. Clark & Kevin B. Heather b a Department of Geological Sciences and Geological Engineering...THOMAS BISSIG,1 JAMES K. W. LEE, ALAN H. CLARK, Department of Geological Sciences and Geological Engineering...of alteration events in this major mineralized district. Eight distinct Tertiary stratigraphic units are...period include, from north to south, Pascua-Lama, Veladero, Sancarrón, Río del Medio, El Indio, Tambo, and...limit of the flat slab, the Farallón Negro Cu-Au district 300 km to the east, and the Los Pelambres-El Pachón |  | Sillitoe, Richard H., Devine, Fionnuala A.M., Sanguinetti, Martin I., Friedman, Richard M. (2019) Geology of the Josemaría Porphyry Copper-Gold Deposit, Argentina: Formation, Exhumation, and Burial in Two Million Years. Economic Geology, 114 (3) 407-426 doi:10.5382/econgeo.4645 | Journal (article/letter/editorial) | | of the Josemaría Porphyry Copper-Gold Deposit, Argentina: Formation, Exhumation, and Burial in Two Million...Resources Inc., Gorriti 4855, CABA, Buenos Aires, Argentina Centre for Isotopic and Geochemical Research...located in the Frontal Cordillera of San Juan Province, Argentina, near the present-day northern limit...conglomerate and sandstone capped by andesitic and dacitic tuff and lava. The andesite reported an age of ~22.35...sea level in the Frontal Cordillera of San Juan Province, Argentina, ~8 km east of the border with Chile |  | Deyell, C. L., Leonardson, R., Rye, R. O., Thompson, J. F. H., Bissig, T., Cooke, D. R. (2005) Alunite in the Pascua-Lama High-Sulfidation Deposit: Constraints on Alteration and Ore Deposition Using Stable Isotope Geochemistry. Economic Geology, 100 (1) 131-148 doi:10.2113/100.1.0131 | Journal (article/letter/editorial) | | located in the El Indio-Pascua belt of Chile and Argentina, contains over 16 million ounces (Moz) Au and...situated in the Cordillera Principal of Chile and Argentina at the north end † Corresponding author: e-mail...of hydrothermal alteration occur throughout the district and are visible as distinct color anomalies and...veins at la Mejicana, Nevados del Famatina district, Argentina (Losada-Calderon and McPhail, 1996), late...in the Chilean region in 1977 by Companía Minera San José S.A. The property was explored by a number of |  | | Report (chapter) | | Oligocene Valle del Cura basin, main Andes of Argentina and Chile: evidence for generalized extension... Pabellón II, Ciudad Universitaria, Bs, As, Argentina *Corresponding author (e-mail: Winocur@gl.fcen...Geodynamic Processes in the Andes of Central Chile and Argentina. Geological Society, London, Special Publications...Valle del Cura region in the Central Andes of Argentina and Chile. unpublished reports and obtained new...Ortiga and along the Rı́o de la Sal valley in Argentina. These authors included coarse to fine red sandstones |  | 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 |  | Toselli, A., Pomposiello, C., Durand, F., Osella, A., De Luchi, M. Lopéz (1999) South American Global Geoscience Transect 7: Cordillera Frontal to Llanura Chaco Pampeana, Northern Argentina. International Geology Review, 41 (2) 154-174 doi:10.1080/00206819909465137 | Journal (article/letter/editorial) | | Cordillera Frontal to Llanura Chaco Pampeana, Northern Argentina a b c d A. Toselli , C. Pomposiello , F. Durand...y Tecnicas, Miguel Lillo 205, Tucumán, 4000, Argentina b Centra de Investigaciones en Recursos Geólogicos... Ramirez de Velasco 847, Buenos Aires, 1414, Argentina c Universidad National de Tucuman , Consejo National...y Tecnicas, Miguel Lillo 205, Tucuman, 4000, Argentina d Dlo. Fisica, Facultad de Ciencias Exactas y...Cientificas y Tecnicas, Argentina, Ciudad Univesitaria Pab. I, Buenos Aires, 1428, Argentina e Centra de. Investigaciones |  | | Journal (article/letter/editorial) | | Avenida Velez Sarsfield 1611, X5016GCA, Córdoba, Argentina Received 15 April 2005; received in revised form...preserved within the broken foreland of Western Argentina along the Famatina Ranges. This paper focuses...of Famatina, southern Central Andes, western Argentina. This volcanism, more than 200 km east of the...Geological setting The Famatina Ranges in western Argentina (Fig. 1) constitute the westernmost part of the...broken foreland development in western and central Argentina (Jordan and Allmendinger, 1986; Ramos et al., |  | Chouinard, A., Williams-Jones, A. E., Leonardson, R. W., Hodgson, C. J., Silva, P., Tellez, C., Vega, J., Rojas, F. (2005) Geology and Genesis of the Multistage High-Sulfidation Epithermal Pascua Au-Ag-Cu Deposit, Chile and Argentina. Economic Geology, 100 (3) 463-490 doi:10.2113/gsecongeo.100.3.463 | Journal (article/letter/editorial) | | Pascua Au-Ag-Cu Deposit, Chile and Argentina ANNICK CHOUINARD,† Department of Geological Sciences and Geological...Ontario, Canada K7L 3N6 ANTHONY E. WILLIAMS-JONES, Department of Earth and Planetary Sciences, McGill University...the El Indio belt of north-central Chile and Argentina and was the product of a high-sulfidation hydrothermal...system developed above a porphyry stock located in Argentina. Extensive vuggy silica and advanced argillic...DACITIC FLOWS AND TUFFS o 29 30' S VOLCANIC ROCKS Veladero MID TO UPPER MIOCENE ESCABROSO GROUP ANDESITIC |  | | Journal (article/letter/editorial) | | El Indio) and bulktonnage (e.g., Pascua-Lama, Veladero), high sulfidation epithermal gold ± silver deposits...prospects also occur farther east, in westernmost Argentina, where they were generated in the backarc to the...AL. Potrerillos Bolivia -26°30’ ESPERANZA Argentina Chile Antofagasta LA COIPA Fig. 2 PUREN Copiapó...Maricunga CASERONES (REGALITO) MARTE PASCUA -LAMA VELADERO EL INDIO -30° -30° El Indio belt LOBO LA PEPA...to 1990 under an option agreement with a Chilean mining entrepreneur. At the same time, Anglo American |  | | Report (chapter) | | inferred Palaeozoic flatslab segment (Early Permian ‘San Rafael’). Based on the present characteristics of...Cordillera and the Precordillera, such as the Iglesia Valley basin, were reactivated as piggy-back basins...when comparing time of deposition along the Rı́o San Juan and Jachal further north. The same trend is regionally...and space relationships between collision of the Juan Fernández aseismic ridge against the margin and...and basin evolution accompany the migration of the Juan Fernández ridge along and beneath the upper plate |  | Wan, Qiu, Cao, Jingya, Li, Yanhe, Du, Jianguo, Duan, Chao, Shi, Ke, Wang, Limin (2022) LA–ICP-MS Zircon U–Pb and Alunite 39Ar/40Ar Dating of the Saozhouhe Alunite Deposit: Implications for the Metallogenic Significance of the Xiaotian Basin. Minerals, 12 (9) 1122 doi:10.3390/min12091122 | Journal (article/letter/editorial) | | Beijing 100037, China Geological Survey of Anhui Province, Hefei 230001, China The Coverage Area Deep Resource...Yanacocha Au–Ag deposit of Peru, and the Veladero Au deposit of Argentina [1–3]. Due to its great production...alkaline rocks (e.g., trachytic volcanic breccia, tuff, trachyandesite, trachyte, and quartz trachyandesite)...and late-stage trachytic breccia lava, trachytic tuff, and subvolcanic trachy porphyry. The Xiaotian Basin...hosted in the volcanic breccia and/or andesitic tuff. Apart from the gold deposits, the Xiaotian Basin |  | | Journal (article/letter/editorial) | | in magmatic arc settings. At the regional and district scales, the occurrence of many deposits in belts...Nevados del Famatina Northparkes Pascua-Lama & Veladero Andacollo Principal metals Cu-Mo Cu-Mo-Au Cu-Au...the geology of porphyry Cu systems at regional, district, and deposit scales. The resultant geologic model...El Abra 22° A AL C M E ALT O Regional- and District-Scale Characteristics 0361-0128/98/000/000-00...C A 26° El Salvador Potrerillos COPIAPÓ ARGENTINA LA SERENA 30° Lineament Fault Porphyry Cu deposit |  | Deyell, C.L., Rye, R.O., Landis, G.P., Bissig, T. (2005) Alunite and the role of magmatic fluids in the Tambo high-sulfidation deposit, El Indio–Pascua belt, Chile. Chemical Geology, 215 (1) 185-218 doi:10.1016/j.chemgeo.2004.06.038 | Journal (article/letter/editorial) | | T. Bissigc a Mineral Deposit Research Unit, Department of Earth and Ocean Sciences, University of British...Denver Federal Center, Denver, CO, 80225, USA c Department of Geological Sciences and Geological Engineering...Episodic magmatic-hydrothermal activity in the district occurred over at least 4 my and is characterized...epithermal deposits and prospects, including the El Indio mine (N15 t gold produced; Heather, personal communication...probable resources of about 530 t (17 M oz) gold, and Veladero, with 317 t (11 M oz) gold (data from Barrick |  | | Journal (article/letter/editorial) | | of Chile and Argentina C.L. Deyell*, G.M. Dipple Mineral Deposit Research Unit, Department of Earth and...crystals and aggregates that replaced phenocrysts, tuff fragments. Irregular stringers, veins, fracture...belt, located in the Central Andes of Chile and Argentina, is one of the world’s largest concentrations...world-class epithermal district in the Central Andean Cordillera straddles the Chile– Argentina border (Fig. 3)...silver, and 1 Mt of copper, mostly from the El Indio mine. Exploration activity is currently focused at the |  | | Journal (article/letter/editorial) | | Lubin-Zardeh epithermal Cu-Au deposit in Zanjan Province, NW Iran: Implications for ore genesis Hasan Zamanian...Lubin-Zardeh epithermal Cu-Au deposit in Zanjan Province, NW Iran: Implications for ore genesis, Ore Geology...Lubin-Zardeh epithermal Cu-Au deposit in Zanjan Province, NW Iran: Implications for ore genesis 3 Hasan...Shahram Rahmanib*, Reza Zareisahameihc 4 5 6 7 a, Department of Geology, Faculty of Sciences, Lorestan University...Abad, Iran, E-mail: Hasanzamanian@yahoo.com b, Department of Geology, Faculty of Sciences, Lorestan University |  | | Journal (article/letter/editorial) | | California-Vetas mining district. Coeval volcanic rocks are not recognized in the district and volumetrically...Epithermal mineralization in the California-Vetas mining district at 7.4° N and 70.9 W in the eastern Cordillera...Angostura deposit within the California-Vetas mining district and a spatial association of mineralization...intruding Cretaceous sedimentary rocks west of the district. Rhenium-osmium analyses of pyrite concentrates...artisanal gold mines in the California-Vetas mining district yielded an age of 57 ± 10 Ma (Mathur et al |  | | Journal (article/letter/editorial) | | barranca were composed of well-bedded white pumiceous tuff, the lapilli varying in size from that of peas to...to that of a fist or larger. In one place the tuff was seen to overlie a bluish-grey bed of volcanic...across a small stream-bed filled with pumiceous tuff differing slightly in colour and bedding-planes...as we had ascended, we reached the Hacienda del Veladero, where we lunched. We then resumed our ascent...following the bottom of a deep barranca in volcanic tuff, until we reached our quarters for the night, two |  | Yang, Fuquan, Mao, Jingwen, Bierlein, Frank P., Pirajno, Franco, Zhao, Caisheng, Ye, Huishou, Liu, Feng (2009) A review of the geological characteristics and geodynamic mechanisms of Late Paleozoic epithermal gold deposits in North Xinjiang, China. Ore Geology Reviews, 35 (2) 217-234 doi:10.1016/j.oregeorev.2008.09.003 | Journal (article/letter/editorial) | | (700 t Au; Kelley and Ludington, 2002), Veladero in Argentina (400 t Au, 6700 t Ag; Jiang et al., 2004)...type Guilaizhuang gold deposit in the Shandong Province (20 t Au, Lin et al., 1995). These deposits occur...island arc P1 andesite, dacite, volcanic breccia and tuff of the Aqikebulake Formation C1 andesite, volcaniclastic... S 1.1–7 HS Liu et al. (2002) C1 basalt and tuff of the Batamayineishan Formation Carboniferous...Quartz, sericite, adularia D1 intermediate-felsic tuff of the Zhuomubasitao Formation and monzonite dyke |  | 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) | | Institute of Geological Survey, Fuzhou 350013, China Mining Group Co., Ltd., Shanghang 364200, China Abstract...deposit, constitutes a major porphyry-epithermal ore district in South China. Current debate centers on whether...question of importance for exploration in the district. In this contribution, the magmatichydrothermal...exploration for the two mineralization types in the ore district and elsewhere. Introduction High-sulfidation...exploration. The Zijinshan ore district, a world-class epithermal mining district, is situated in the Mesozoic |  | | Book | | The endsheet maps are reprinted from The Mexican Mining Industry 1890-1950 by Marvin D. Bernstein, by permission... CONTENTS • Foreword lX Preface Xl Important Mining Districts 1 Discovery and Developments in Mexico...introduction contains an interesting summary of the mining history and the development of mineralogy. It also...The author discusses eight of the more important mining districts in Mexico, which produce fine mineral...geologists, mineralo- LX x I Foreword gists, and mining engineers, but also for mineral and gem collectors |  | | Journal (article/letter/editorial) | | particularly IS epithermal orebodies in any particular district, irrespective of whether or not paleosurface features...alteration peripheral to the La Coipa HS-IS gold-silver district, Chile. f Hydrothermal breccia, generated by shallow-seated...exploited in places (e.g., La Coipa, Chile; El Queva, Argentina; Sillitoe 1975). However, much of the native sulfur...metal deposits of HS (e.g., Yanacocha, Peru, Veladero, Argentina, and Pascua-Lama, ChileArgentina; Harvey...Coipa HS-IS gold-silver district (Fig. 4e), in the Fresnillo IS silver district, Mexico (Albinson 1988; | | | Book | | The endsheet maps are reprinted from The Mexican Mining Industry 1890-1950 by Marvin D. Bernstein, by permission...is * CONTENTS Foreword Preface Important Mining Districts Discovery and Developments in México...introduction contains an interesting summary of the mining history and the development of mineralogy. It also...The author discusses eight of the more important mining districts in México, which produce fine mineral...geologists, mineralo- x / Foreword gists, and mining engineers, but also for mineral and gem collectors |
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