 | Arfè, Giuseppe, Boni, Maria, Mondillo, Nicola, Aiello, Roberto, Balassone, Giuseppina, Arseneau, Vernon, Soyk, Dominik (2016) Supergene Alteration In the Capricornio AU-AG Epithermal Vein System, Antofagasta Region, Chile. The Canadian Mineralogist, 54 (3) 681-706 doi:10.3749/canmin.1600012 | Journal (article/letter/editorial) | | CAPRICORNIO Au-Ag EPITHERMAL VEIN SYSTEM, ANTOFAGASTA REGION, CHILE GIUSEPPE ARFȧ AND MARIA BONI* Dipartimento...Paleocene–Eocene metallogenic belt, 60 km ENE of Antofagasta in the physiographic Central Depression, between...epithermal, Au-Ag, supergene Au-Ag, aridity, gold, Antofagasta Region, Central Depression. § Corresponding...CANADIAN MINERALOGIST INTRODUCTION The Antofagasta region in northern Chile hosts many of the world’s significant...Capricornio property is located 60 km ENE of Antofagasta (23831 0 S latitude, 69850 0 W longitude), in |  | | Journal (article/letter/editorial) | | Vol. 86, 1991, pp. 1187-1205 Gold Metallogeny of Chile RICHARD an Introduction H. SILLITOE 27 WestHill...andesiticwall rocks.Gold ___ copperis introducedwith K silicatealteration,which is commonlyoverprintedby...poorlymineralized. Paucityof golddepositsin the coastalzoneof Chile, concentration of highsulfidationand porphyry-typedepositsin...copper and silver enrichmentin northernand central Chile which took place during the Oligoceneand early Mioceneand...CHILEhasbeena modestgoldproducerfor the last central Chile (24o-37 ø S; Flores, 1942; Ruiz et al., fivecenturies |  | | Journal (article/letter/editorial) | | tourmaline-rich alteration in the IOCG systems of northern Chile: implications for a magmatic-hydrothermal origin...oxide-copper-gold (IOCG) deposits of the Coastal Cordillera of Chile where it occurs as large crystals in the groundmass... Keywords Boron isotopes . Tourmaline . IOCG . Chile . Andes Introduction 484 acting exclusively...(2008) and Xavier et al. (2008) in the Carajás Province, Brazil. Here, high δ11B values are indicative...deposits of the Coastal Cordillera of northern Chile and Peru (ca. 2,000 Mt of ore) are within the so-called |  | | Journal (article/letter/editorial) | | undergo elemental mass changes associated with K metasomatism, K-H metasomatism, and H metasomatism that are...increasingly K-rich mineral assemblages with proximity to deposits, thus patterns of K enrichment provide...rocks most affected by K metasomatism will be characterized by the largest K gains and, generally, Na...associated with K metasomatism are also evaluated graphically using plots of molar (2Ca + Na + K)/Al versus...versus molar K/Al. Since molar values are used to construct the plot, compositions of altered rocks can be |  | Voudouris, P. C., Melfos, V., Spry, P. G., Kartal, T., Schleicher, H., Moritz, R., Ortelli, M. (2013) THE PAGONI RACHI/KIRKI Cu-Mo Re Au DEPOSIT, NORTHERN GREECE: MINERALOGICAL AND FLUID INCLUSION CONSTRAINTS ON THE EVOLUTION OF A TELESCOPED PORPHYRY-EPITHERMAL SYSTEM. The Canadian Mineralogist, 51 (2) 253-284 doi:10.3749/canmin.51.2.253 | Journal (article/letter/editorial) | | however, a genetic link to a buried stock of quartz-feldspar porphyry magma beneath Pagoni Rachi cannot be...area may represent a new Au-Re-Te metallogenetic province. Keywords: Porphyry, epithermal, vapor, hypersaline...Famatina and Agua Rica, Argentina, and the Maricunga, Chile ore districts by Arribas et al. (1995), Losada-Calderón...the western Pacific and Chile at Acupan, Emperor, Porgera, Ladolam, and Faride (Sillitoe 1989, 1991, Jensen...2011), Emperor, Fiji (Pals & Spry 2003), Refugio, Chile (Muntean & Einaudi 2000), and Mt. Milligan, Canada |  | | Book | | org/details/geologyofchile0000unse The Geology of Chile • The Geologica l Society of London Books Editorial...(UK) John I lowc (UK) ick Robins (U K ) J in1 G ri rfi ths (U K ) Phil Lear (UK) Jonathan Turner (UK)...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 |
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