 | Márquez-Zavalía, M. F., Bindi, L., Márquez, M., Menchetti, S. (2008) Se-bearing polybasite-Tac from the Martha mine, Macizo del Deseado, Santa Cruz, Argentina. Mineralogy and Petrology, 94 (1) 145-150 doi:10.1007/s00710-008-0001-x | Journal (article/letter/editorial) | | polybasite-Tac from the Martha mine, Macizo del Deseado, Santa Cruz, Argentina M. F. Márquez-Zavalía &...the Martha mine, an epithermal silver–gold deposit located adjacent to the Deseado Massif, Santa Cruz...Cruz province, Argentina. Three samples, with variable chemical composition and showing the 111 unit-cell...s/n, Parque Gral. San Martín (5500), Mendoza, Argentina e-mail: mzavalia@lab.cricyt.edu.ar L. Bindi Museo...Kilómetro 8, (9003), Comodoro Rivadavia, Chubut, Argentina e-mail: marcelo28marquez@yahoo.com.ar S. Menchetti |  | Páez, G.N., Ruiz, R., Guido, D.M., Jovic, S.M., Schalamuk, I.B. (2010) The effects of K-metasomatism in the Bahía Laura Volcanic Complex, Deseado Massif, Argentina: Petrologic and metallogenic consequences. Chemical Geology, 273 (3) 300-313 doi:10.1016/j.chemgeo.2010.03.007 | Journal (article/letter/editorial) | | Bahía Laura Volcanic Complex, Deseado Massif, Argentina: Petrologic and metallogenic consequences G.N... (1900) La Plata, Provincia de Buenos Aires, Argentina Consejo Nacional de Investigaciones Científicas...Científicas y Técnicas (CONICET), Buenos Aires, Argentina a r t i c l e i n f o Article history: Received 1...four operational mines (Cerro Vanguardia, Mina Martha, Manantial Espejo and San José) and more than 50... (1900) La Plata, Provincia de Buenos Aires, Argentina. Tel./fax: +54 221 4225648. E-mail address: marduk_paez@yahoo |  | Páez, G.N., Ruiz, R., Guido, D.M., Ríos, F.J., Subias, I., Recio, C., Schalamuk, I.B. (2016) High-grade ore shoots at the Martha epithermal vein system, Deseado Massif, Argentina: The interplay of tectonic, hydrothermal and supergene processes in ore genesis. Ore Geology Reviews, 72. 546-561 doi:10.1016/j.oregeorev.2015.07.026 | Journal (article/letter/editorial) | | High-grade ore shoots at the Martha epithermal vein system, Deseado Massif, Argentina: The interplay of tectonic... (1900) La Plata, Provincia de Buenos Aires, Argentina Consejo Nacional de Investigaciones Científicas...(CONICET), Buenos Aires, Argentina c YPF Tecnología (Y-TEC), Berisso, Argentina d Laboratório de Inclusões...study of the Martha mine epithermal deposit (Deseado Massif, Patagonia, Argentina). The mine was active...Jurassic times (40Ar–39Ar age: 157.6 ± 1 Ma). The Martha deposit is composed of more than 15 different veins |  | | Journal (article/letter/editorial) | | com/locate/oregeorev La Josefina Au–Ag deposit (Patagonia, Argentina): A Jurassic epithermal deposit formed in a hot...(INREMI), Calle 64 y 120, B1900FWA, La Plata, Argentina CIC-BA, Universidad Nacional de La Plata, Instituto...(INREMI), Calle 64 y 120, B1900FWA, La Plata, Argentina a r t i c l e i n f o Article history: Received...occurrences Jurassic Epithermal Au–Ag veins Patagonia Argentina a b s t r a c t The La Josefina Jurassic epithermal...epithermal Au–Ag deposit located in Patagonia, Argentina, developed in an extensional setting of a back-arc |  | | Journal (article/letter/editorial) | | mineralization in the Deseado massif, Patagonia, Argentina: response to subduction of the Chile Ridge Richard...extra-Andean foreland of Patagonia, southern Argentina, has remained unknown. Although, theoretically...localities in the prolific epithermal Au-Ag vein province of the Deseado massif, which abuts the Atlantic...and 49° S in northeastern Santa Cruz province, southern Patagonia, Argentina (Schalamuk et al. 1997, 2002;...of the epithermal deposits and prospects in the province over a 30-year period, this writer failed to encounter |  | Vidal, Conrado Permuy, Guido, Diego M., Jovic, Sebastián M., Bodnar, Robert J., Moncada, Daniel, Melgarejo, Joan Carles, Hames, Willis (2016) The Marianas-San Marcos vein system: characteristics of a shallow low sulfidation epithermal Au–Ag deposit in the Cerro Negro district, Deseado Massif, Patagonia, Argentina. Mineralium Deposita, 51 (6) 725-748 doi:10.1007/s00126-015-0633-9 | Journal (article/letter/editorial) | | Cerro Negro district, Deseado Massif, Patagonia, Argentina Conrado Permuy Vidal 1 & Diego M. Guido 1 & Sebastián...district, within the Argentinian Deseado Massif province, has become one of the most significant recent...Plata, Calle 64 y 120, B1900FWA La Plata, Argentina 2 Department of Geosciences, Virginia Tech, Blacksburg...Blacksburg, VA 24061, USA 3 Department of Geology and Andean Geothermal Center of Excellence (CEGA), Universidad...Martí i Franquès, s/n, 08028 Barcelona, Spain 5 Department of Geosciences, Auburn University, Auburn, AL |  | Dietrich, Andreas, Gutierrez, Ronald, Nelson, Eric P., Layer, Paul W. (2012) Geology of the epithermal Ag–Au Huevos Verdes vein system and San José district, Deseado massif, Patagonia, Argentina. Mineralium Deposita, 47 (3) 233-249 doi:10.1007/s00126-010-0327-2 | Journal (article/letter/editorial) | | San José district, Deseado massif, Patagonia, Argentina Andreas Dietrich & Ronald Gutierrez & Eric P....A. Dietrich (*) : R. Gutierrez : E. P. Nelson Department Geology and Geological Engineering, Colorado...massive quartz intergrown with minor to accessory adularia. Epidote, illite, illite/smectite, and, preferentially...Verdes . Argentina Introduction The San José mining district is located in the Santa Cruz province of Argentina...number of epithermal systems with Cerro Vanguardia, Martha, Manantial Espejo, and San José being in production |  | Jovic, Sebastián M., Guido, Diego M., Schalamuk, Isidoro B., Ríos, Francisco J., Tassinari, Colombo C. G., Recio, Clemente (2011) Pingüino In-bearing polymetallic vein deposit, Deseado Massif, Patagonia, Argentina: characteristics of mineralization and ore-forming fluids. Mineralium Deposita, 46 (3) 257-271 doi:10.1007/s00126-010-0324-5 | Journal (article/letter/editorial) | | polymetallic vein deposit, Deseado Massif, Patagonia, Argentina: characteristics of mineralization and ore-forming...epithermal metallogenetical province of the Deseado Massif, Patagonia, Argentina, represents a distinct deposit...Plata, Paseo del Bosque s/n, B1900FWA La Plata, Argentina S. M. Jovic (*) : D. M. Guido : I. B. Schalamuk...Investigaciones Científicas y Técnicas, La Plata, Argentina e-mail: sjovic@inremi.unlp.edu.ar F. J. Ríos Laboratório...characterization . Indium . Deseado Massif . Argentina Introduction The Pingüino In-bearing polymetallic |  | Poblete, J. A., Bissig, T., Mortensen, J. K., Gabites, J., Friedman, R., Rodriguez, M. (2014) The Cerro Bayo District, Chilean Patagonia: Late Jurassic to Cretaceous Magmatism and Protracted History of Epithermal Ag-Au Mineralization. Economic Geology, 109 (2) 487-502 doi:10.2113/econgeo.109.2.487 | Journal (article/letter/editorial) | | 1Mineral 2Department Deposit Research Unit, Department of Earth and Ocean Sciences, University of British...Centre for Isotope and Geochemical Research, Department of Earth and Ocean Sciences, University of British...tip of the Deseado Massif epithermal silver-gold province. Mineralization is hosted in the mainly rhyolitic...extent, in breccias, which, on the basis of new adularia 40Ar/39Ar ages, were emplaced in three main episodes:...from the Chilean border to the Atlantic coast of Argentina (Fig. 1). Precious metalrich deposits are also |  | Mugas Lobos, Ana Cecilia, Márquez-Zavalía, María Florencia, Lira, Raúl, Hernández, Laura Beatriz (2021) Mineralogy and microthermometry of the Escondida, Gabriela and Margarita mineralized structures from the Cerro Moro epithermal deposit, Deseado Massif, Argentina. Journal of South American Earth Sciences, 105. 103077pp. doi:10.1016/j.jsames.2020.103077 | Journal (article/letter/editorial) | | Cerro Moro epithermal deposit, Deseado Massif, Argentina Ana Cecilia Mugas Lobos, María Florencia Márquez-Zavalía...Cerro Moro epithermal deposit, Deseado Massif, Argentina, Journal of South American Earth Sciences (2021)...Cerro Moro epithermal deposit, Deseado Massif, Argentina. IANIGLA, CCT-Mendoza, CONICET. Av. Ruíz Leal...Martín - C.C. na 2 lP Juan, Argentina. 330 (5500) Mendoza, Argentina. Mineralogía y Petrología, FAD...Universitario, ur 3 4 Jo (5502) Mendoza, Argentina. CONICET. Museo de Mineralogía y Geología “Dr |  | | Journal (article/letter/editorial) | | 921–943 Punctuated Evolution of a Large Epithermal Province: The Hauraki Goldfield, New Zealand* JEFFREY L...Auckland Mail Centre, Auckland 1142, New Zealand 2 Department of Geological Sciences, University of Michigan...Michigan, Ann Arbor, Michigan 48109-1005 3 Department of Geosciences, University of Arizona, Tucson, Arizona...Coromandel volcanic zone contains approximately 50 adularia-sericite epithermal Au-Ag deposits in a 200-km-long...(Christie et al., 2007). In the northern province of the goldfield, adularia from Paritu yields a single 40Ar/39Ar |  | Andrada de Palomera, Pablo, van Ruitenbeek, Frank J.A., van der Meer, Freek D., Fernández, Raúl (2012) Geochemical indicators of gold-rich zones in the La Josefina epithermal deposit, Deseado Massif, Argentina. Ore Geology Reviews, 45. 61-80 doi:10.1016/j.oregeorev.2012.01.001 | Journal (article/letter/editorial) | | La Josefina epithermal deposit, Deseado Massif, Argentina Pablo Andrada de Palomera a, b,⁎, Frank J.A. van...S.E., Alberdi 643, (9400) Rio Gallegos, Santa Cruz, Argentina Instituto de Recursos Minerales, Calle 64...64 e/119 y 120 s/n° CP B1904DZB, La Plata, Argentina a r t i c l e i n f o Article history: Received...deposit at La Josefina, in the Deseado Massif of Argentina, is a low-sulfidation epithermal deposit with some...Massif, in the south of Argentina (Fig. 1), is a geological and metallogenic province (Schalamuk et al., 1999) |  | | Journal (article/letter/editorial) | | quartz veins in 1861 at the site of the Kapanga mine (Fig. 1C). Prospecting elsewhere on the Coromandel...Thames in 1865, Karangahake in 1875, and Waihi (Martha) in 1878. The major period of gold mining ended...ended with the closure of the underground Martha mine at Waihi in 1952. Total production during this period...mining began in 1988 with opening of the Martha openpit mine at Waihi. This was followed by a combined...deposit, 1.5 km from the Martha open pit, which opened as an underground mine in 2006. Mining continues |  | Christie, A. B., Simpson, M. P., Brathwaite, R. L., Mauk, J. L., Simmons, S. F. (2007) Epithermal Au-Ag and Related Deposits of the Hauraki Goldfield, Coromandel Volcanic Zone, New Zealand. Economic Geology, 102 (5) 785-816 doi:10.2113/gsecongeo.102.5.785 | Journal (article/letter/editorial) | | percent of the production was from the world-class Martha deposit at Waihi. Some 97 percent of total past...vertical intervals of 170 to 330 m but up to 575 m at Martha and 700 m at Karangahake. Electrum and acanthite... and occurrences of lattice textures and vein adularia, indicate that periods of boiling coincided with...or relative abundance of key minerals such as adularia, calcite, and arsenopyrite, the grain size of...Table 1). The deposits are quartz ± calcite ± adularia ± illite type (Simmons et al., 2005; † Corresponding |  | | Journal (article/letter/editorial) | | 110, pp. 763–786 Fluid Inclusion Chemistry of Adularia-Sericite Epithermal Au-Ag Deposits of the Southern...25046, MS-973, Denver, Colorado 80225-0046 3 Department of Geosciences, 4044 Derring Hall, Virginia...fluid inclusions in adularia-sericite Au-Ag epithermal veins from the Karangahake, Martha, Favona, and Waitekauri...detected in inclusions from the Karangahake and Martha deposits. The poor correlation between the Na content...8 and 17%. Fluid inclusions in quartz from the Martha deposit trapped dilute fluids with salinity less |  | | Journal (article/letter/editorial) | | at open pit mines, and application to the Martha Au–Ag mine, Waihi, New Zealand Devin N. Castendyk a ...Private Bag 92019, Auckland, New Zealand b Geology Department, The University of Auckland, Private Bag 92019...to the Martha epithermal Au–Ag mine, Waihi, New Zealand. Heterogeneous ore deposits, like Martha, require...abundant minerals in the wall rocks as quartz, adularia, albite, illite, chlorite, kaolinite, pyrite and...nuisances depending on lake water chemistry. Many recent mine management strategies favor 0883-2927/$ - see front |  | | Journal (article/letter/editorial) | | DEPOSITS OF THE “LA CAROLINA” DISTRICT, SAN LUIS (ARGENTINA). Gallard-Esquivel M.C.1, Cepedal A.2, Fuertes-Fuente...A.2 1 Department of Geology, University National of San Luis-CONICET, Argentina 2 Department of Geology...district, in the San Luis metallogenetic belt (Argentina), are spatially and genetically related to Mio-Pliocene...27º00´-33º30´ segment in the central Andes of Argentina records a Miocene-Pliocene magmatic episode related...porphyry-epithermal systems in the central Andes of Argentina. Geological setting La Carolina district is located |  | | Journal (article/letter/editorial) | | (up to 575 m) of economic Au-Ag ore. A pervasive adularia-quartz-illite-chlorite-pyrite alteration zone...calcite + pyrite ± adularia ± illite. This zone is enveloped by an illite-quartz-adularia-chlorite-calcite-pyrite...least altered andesites. The formation of the adularia, quartz, chlorite, calcite, pyrite, and some illite...deeper levels and colloform quartz plus minor adularia at shallow levels. Deposition of main-stage quartz...overprinting adularia in the wall rock and filling fractures in the quartz-calcite-pyrite ± adularia veinlets |  | | Journal (article/letter/editorial) | | located less than 2 km east of the world-class Martha deposit (>6.7 million oz Au, >42.1 million oz (Moz)...Hydrothermal quartz and pyrite are ubiquitous. Adularia is widespread and envelopes veins; it locally...albite adjacent to the Amaranth vein at depth. Both adularia and albite are variably replaced by illite, which...veins. Aeromagnetic data show that the Favona and Martha deposits both fit within a broad zone of hydrothermally...more abundant at Martha. Fluid inclusion data indicate that both the Favona and Martha deposits formed |  | | Journal (article/letter/editorial) | | Evolution of a World-Class Epithermal Orebody: The Martha Hill Deposit, Waihi, New Zealand K. BERNARD SPÖRLI1...highest (now mined-out) levels of the world-class Martha Hill goldsilver deposit, Coromandel peninsula,...with the two main lodes in the open pit area, the Martha and the Welcome, capturing most of the strain....operate in this environment. The world-class Martha Hill mine in the Hauraki goldfield of New Zealand (Figs...the state of structural information in the Martha Hill mine up to 1994, as presented by Cargill (1994) |  | | Journal (article/letter/editorial) | | Sensitivity analyses in pit lake prediction, Martha mine, New Zealand 2: Geochemistry, water–rock reactions...⁎, Jenny G. Webster-Brown b a Earth Sciences Department, State University of New York, College at Oneonta...accepted 6 June 2007 Editor: D. Rickard Abstract Mine managers and regulators use geochemical predictions...geochemical model of a proposed pit lake at the Martha Au Mine, New Zealand. Our hypothesis was that subaqueous...minerals found in the wall rock (i.e. pyrite, adularia, albite, chlorite, illite, and kaolinite), reaction |  | | Journal (article/letter/editorial) | | pp. 1031–1041 Geophysical Characteristics of Adularia-Sericite Epithermal Gold-Silver Deposits in the...and surface gravity data from the adularia-sericite epithermal province of the Hauraki goldfield have delineated...in the core of alteration zones in the form of adularia and illite. A broad K/Th anomaly correlates with...geophysical characteristics of a classic epithermal province and demonstrates the strengths of geophysical...and lies within the classic adularia-sericite epithermal gold-silver province of the Hauraki goldfield (Christie |  | | Journal (article/letter/editorial) | | extension. One deposit is hosted in andesite lavas (Martha Hill), one in andesite lavas and dacite porphyry...and among deposits hosted in andesite and dacite (Martha Hill at Waihi and Golden Cross) and predominantly...lesser hosts. The quartz veins are enclosed by adularia±illite alteration zones that are characteristic...and chalcopyrite, as in the deeper part of the Martha Hill deposit. The quartz veins are made up of thin...high angles, and line samples in the open pits at Martha Hill and Golden Cross were near perpendicular to |  | | Journal (article/letter/editorial) | | Zealand MARK P. SIMPSON,† JEFFREY L. MAUK, Geology Department, University of Auckland, Private Bag 92019, Auckland...F. SIMMONS Geothermal Institute and Geology Department, University of Auckland, Private Bag 92019, Auckland...veinlets increasing toward major veins. Replacement adularia envelops the Empire vein system and shallow stockwork...Taupo Volcanic Zone. The assemblage of quartz, adularia, chlorite, illite, calcite, and pyrite reflects...Komata Karangahake Coromandel Group Golden Cross Martha Hill (L. Miocene) diorite intrusives Manaia Hill |  | | Journal (article/letter/editorial) | | Hauraki goldfield, New Zealand, contains several adularia-sericite epithermal Au-Ag deposits and prospects...the east. Alteration minerals include quartz, adularia, albite, chlorite, pyrite, illite, interstratified...Many of these minerals have zoned distributions; adularia is widespread at Sovereign, but is restricted...Creek. Albite occurs in a discrete zone below adularia at Scotia, and minor epidote is restricted to...been eroded. Introduction GOLD AND SILVER in adularia-sericite epithermal deposits typically occur in |
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