 | | Journal (article/letter/editorial) | | Minerales, UniÕersidad Nacional de la Plata, Calle 47 a 522, 1900 La Plata, Argentina b CONICET, Buenos...Subsecretaria de Mineria (Comodoro RiÕadaÕia), U. Nac. de la Patagonia, Patagonia, Argentina d CICBA, Buenos Aires...fossiliferous and tuffaceous volcaniclastic rocks of the La Matilde Formation, which unconformably overlies andesitic...173–186 176 and 20% Ag in Manantial Espejo and La Josefina. occurs along the rims of quartz crystals...Pobre Fm tuffs ŽLa Matilde Fm. felsic ignimbrites ŽChon Aike Fm. tuffs ŽLa Matilde Fm.. andesites ŽBajo |  | 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) | | Museo, Universidad Nacional de La Plata, Paseo del Bosque s/n, B1900FWA La Plata, Argentina S. M. Jovic...Nacional de Investigaciones Científicas y Técnicas, La Plata, Argentina e-mail: sjovic@inremi.unlp.edu.ar...Salamanca, Plaza de los Caídos s/n, 37008 Salamanca, Spain bearing polymetallic mineralization developed in...responds to not outcropping subvolcanic bodies from La Leona Complex and the spatial relation between the...oldest rocks are Upper Precambrian slates and schists (La Modesta Formation) in the western sector and Upper |  | 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) | | (INREMI), Universidad Nacional de La Plata, Calle 64 esquina Calle 120, (1900) La Plata, Provincia de Buenos...Minerales (INREMI) Calle 64 esquina Calle 120, (1900) La Plata, Provincia de Buenos Aires, Argentina. Tel...distribution of Jurassic volcanics and locations of mine sites and areas of metallogenic interest. analyzing...of the Bajo Pobre, Cerro León, Chon Aike and La Matilde formations. The Bajo Pobre Formation is characterized...Panza and Haller, 2002; Guido, 2004). Finally, La Matilde Formation is a homogeneous sequence of ash fall |  | | Report (issue) | | chalcopyrite replacing magnetite; and (3) an upper, sericite-clay-calcite-pyrite zone. Calcic plagioclase is...porphyry systems; and (c) Pb-Zn-Mn-Ag samples in the sericite-clay-pyrite zone are strongly depleted in these...from the upper levels of the deposits during the sericite-pyrite-alteration stage. INTRODUCTION The Tanama...where they are strongly altered to quartz and sericite. In thin section, the metavolcanic basaltic rocks...completely replaced by calcite, chlorite, and sericite. Analysis of a sample (2, table 1) from this area |  | 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) | | (INREMI), Universidad Nacional de La Plata, Calle 64 y 120, B1900FWA La Plata, Argentina 2 Department...Barcelona, Martí i Franquès, s/n, 08028 Barcelona, Spain 5 Department of Geosciences, Auburn University...carried out at the Instituto de Recursos Minerales, La Plata, Argentina. Electron microscope imaging and...Depósitos Minerales, Universidad de Barcelona, Spain (ESM 1). X-ray diffraction analyses of clay alteration...performed at the Centro de Investigaciones Geológicas, La Plata, Argentina (CIG-CONICET). 40 Ar/39Ar ages |  | | Journal (article/letter/editorial) | | phosphate species being described from just one mine, the Tip Top, in South Dakota. (Note: There are...County, Arkansas Dana 1892 1891 Griphite Everly mine, Harney City, Pennington County, South Dakota Headden...“arrojadite,” renamed arrojadite-(KFe) Nickel Plate mine, Keystone, Pennington County, South Dakota; cotype:...Passaglia and Gottardi 1973 1930 Seamanite Chicagon mine, Menominee Iron Range, Iron County, Michigan Kraus...renamed miserite North Wilson pit, Union Carbide mine, Wilson Springs, Garland County, Arkansas Schaller |  | | Journal (article/letter/editorial) | | minerals) and fluid inclusions of the El Zancudo mine in Colombia were investigated in order to analyze...examine the genesis of the deposit. The El Zancudo mine is a silver–gold deposit located in the western...bodies. This paper examines veins situated near the La Maria and Sierra Candela laccoliths in the Titiribí...study area. Two main bodies, the Sierra Candela and La Maria laccoliths, are exposed at the surface. The...mineralizing fluids. Mineralization in the El Zancudo mine district consists of massive ore, banded and brecciated |  | | Journal (issue) | | observed under a single strong light source (Figure la and b). In the literature only one reference is found...(1980) 1 2 J . Gemrn ., 1980, XVII , 1 FIG . la . Star peridot showing sheen and star under FIG...The best-known wulfenite comes from the Red Cloud mine in Arizona, though crystals from this area are generally...the Dept l'Aude in S. France(3) and in northern Spain in Aragon and Asturias(4). Outside Europe it is...Rome(2'8). Jet was used by the Celts of the Hallstatt and La Tene periods(9) and during the 15th and 16th centuries |  | | Report (issue) | | ..............xi Site Descriptions Department of La Paz..................................... 1 Department...Geologico de Bolivia located in their main office in La Paz. All of the data presented in this report have...States, and the Servicio Geol6gico de Bolivia in La Paz, Bolivia. This report is an edited version of...Bolivia is divided into 9 departments, three of which, La Paz, Oruro, and Potosi, cover the study area. These...which a mine first produced. YEAR OF LAST PRODUCTION Year in which an inactive producing mine last operated |  | | Report (issue) | | are, front east to vest: San Gaanro, Caudslosa, and la Virreyna. A less liaportant set of veins, sinilarly...but arts noot abundant in the vestermaost veins at la Virreyna* In tha center of the district, around Caudalosa...Bonansa-Saguridad^Yahuarcocha area « » Carro Scliquiaa area » *-^-» La Vlrrcyaa area - * » -. .. » 153 154 155 157 169...Castrovirreyna district 186 Table IV Mine production and grade of ore, Carmen mine, 1941-1958 . 188 Table V...production, Caudalosa mine, 1927-1957 189 Table VI Mine production and grade of ore, Lira mine, 1941-1958 190 |  | | Book | | sills), if they are exposed in outcrop or in the mine workings at all. The Climax Mo complex is the best...alteration ranges from light to strong, and quartz, sericite, pyrite assemblage is most common. Several mineralized...known (e.g. the Montana Tunnels deposit, Obelisk Mine). The former locality contains disseminated pyrite...("secondary quartzites"), often gradational into quartz-sericite and advanced argillic (andalusite, diaspore, corundum)...ilmenite and rutile. It is gradational into quartz-sericite, quartz-kaolinite, 1025 quartz-alunite and alunite-diaspore |  | | Journal (issue) | | Tampa, FL Correspondents Miguel Calvo Zaragoza, Spain Michael P. Cooper Nottingham, England Thomas P....ecord Articles Rare sulfosalts from the Van Silver mine, British C olum bia...............................Balacko Famous mineral localities: The Brownley Hill mine, Alston Moor, Cumbria, England....................COVER: ATACAMITE in GYPSUM, 6.8 cm, from the Lily mine, lea, Peru. Irv Brown collection; Jeff Scovil photo...British Columbia the Silver Tunnel o f the Van Silver mine has produced hundreds o f rare and beautiful crystal |  | | Book | | 600 . 3 1 100m__ M U IV 11 pp ah ry tsii ac la l dd e a tt iaot ni o n , eh f oyrdmr a •H 4-1...sills), if they are exposed in outcrop or in the mine workings at all. The Climax Mo complex is the best...alteration ranges from light to strong, and quartz, sericite, pyrite assemblage is most common. Several mineralized...known (e.g. the Montana Tunnels deposit, Obelisk Mine). The former locality contains disseminated pyrite...("secondary quartzites"), often gradational into quartz-sericite and advanced argillic (andalusite, diaspore, corundum) |  | | Report (chapter) | | & L. Eoc, fossils Maestr, fossils Monacillo Fm, La Muda Fm 600 C Eastern units Non-marine mudstone...stratigraphy minor conglomerate, lava (basalt) Rio de la "~ Volcanic wacke, Plata sandsiltstone, conCenomglomerate...the Campanian to Maestrichtian interval; quartz, sericite, pyrite, hematite and sulphides occur in basic...in zone 1 are unaffected; basic rocks contain sericite, quartz, pyrite, hematite and chalcopyrite. 344-8...volcanic breccia, volcanic sandstone, andesite(?) Matilde Fm Late Palaeoc or Eoc c 4200 d 300 d 560 |  | 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) | | Geochemical indicators of gold-rich zones in the La Josefina epithermal deposit, Deseado Massif, Argentina...Minerales, Calle 64 e/119 y 120 s/n° CP B1904DZB, La Plata, Argentina a r t i c l e i n f o Article...exploration a b s t r a c t The gold deposit at La Josefina, in the Deseado Massif of Argentina, is a...individually. The aim of this study was to determine, in the La Josefina deposit, geochemical indicators of Au-rich...Au deposits in the Deseado Massif, including the La Josefina epithermal low-sulfidation deposit, are currently |  | | Report (issue) | | (presumably without the shrine) to a European in La Paz, Bolivui. Rolf Wein bought the specimen on July...plwto Plldi.wp11�. Yaalte: 12.5 cm wide Siglo XX Mine, ,U� Bustillo province, Potosi Malty Zinn colkdknt...Anthony R. Kampf Brian Kosnar, Saul Krotki, Jesse La Plante, Gary Moss, Bendeguz Nagy Gunther Neumeier...cassiterite 4.3 cm; Huanuni Dave Bunk specimen Jesse La Plante photo Map: Oruro Department ...............in Oruro ... 26 BY ROBERT B. COOK The Morococala Mine ............................................... |  | | Report (volume) | | Eduardo Soria-Escalante 14 A geochemical study of the La Joya district by Robert Learned, Michael S. Allen...to the Point IV Mission in the American Embassy in La Paz in late January 1952 and discussions about the...Tourtelot. About the same time, city engineers in La Paz, a city that was plagued with landslides because...technical assistance to private mine operators about mineral exploration, mine development and operation,...trained to provide technical assistance to private mine operators, as well as to conduct reconnaissance |  | | Book | | Island, Chocó Arc, Sierra Nevada de Santa Marta, La Macarena, and the Guiana Shield: remote regions studied...E.) Geochemical Journal v. 15 p. 141–161. 2000 – La Macarena, Massagno, Switzerland (self-published)...(self-published), 111 p. Biographies Augusto Gansser (2000) La moglie di un geólogo, 2nd edn Massagno, Switzerland...the basis for the self-published biographical work “La moglie di un geologo: Augusto Gansser.” Acknowledgments...Grenoble Alps, Grenoble, France Institut des Sciences de la Terre, Université Grenoble Alpes, Grenoble, France |  | | Report (issue) | | silver-containing batteries 80 Table 10 United Kingdom mine production of silver: 1851-1982 83 Table 11 United...86 Table 13 World mine production of silver: 1821-1981 87 Table 14 World mine production of silver...of world silver mine production: 18661870 and 1980 89 Table 16 World and UK mine production of silver...of world total requirements. About 75% of world mine production of silver is obtained as a by-product...consumption and new, "under the ground'' production (mine production) of silver is made up mainly from scrap |  | | Journal (issue) | | Tampa, FL Correspondents Miguel Calvo Zaragoza, Spain Joe Polityka Staten Island, NY Jeffrey A. Scovil...Articles Famous mineral localities: The Bristol copper mine, Connecticut......................................in the U.S.A. notesfrom th r EDITORS OLD YUMA MINE Another great mineral locality has now been closed...longfamous Old Yuma mine near Tucson (see R. L. Jones, “Famous mineral localities: the Old Yuma mine,” in vol....period of activity, access to the mine was cut off in 1984. In 1996 the mine area was absorbed into the Saguaro |  | | Report (issue) | | Chevron Petroleum Technology Company P.O. Box 446 La Habra, California 90633-0446 5 yp 1998 Copyright...Lidiak, Pittsburgh, Pennsylvania David K. Larue, La Habra, California and Draper, G., eds., Transactions...Formation from the Maricao area into the Central la Plata quadrangle (McIntyre, 1974). During the final...Tetas Lava B Fm.B Rio Abajo Fm A Fm.A Rio de la Plata Ss ] SO Santa Olaya Lava = CG Cerro Gordo...1968c Pease, 1968c Pease, 1968c Volcanic phase IV 5. La Muda Ls Maastrichtian Berkey, 1915, 1919; Meyerhoff |  | | Book | | Al)16O34(Cl,SO4,CO3)4.0-6H2O, from a lapis-lazuli mine, Sar-e-Sang, Badakshan province, Afghanistan. The...Greenish-blue hexagonal crystals from the Bou-Skour copper mine, Jebel Sarhro,* Ouazazate,* Morocco, have the composition...270. Natural /1-FeOOH, occurring at the Akagane mine, Iwate prefecture, Japan, and named from the locality...vol. 73, pp. 141, 193. A paper-like mineral from La Table in Savoie, near Allevard in Isere, previously...16. A. P. Iancoulesco. Les richesses minieres de la nouvelle Roumanie, Paris, 1928, p. 229. C. Doelter |  | | Book | | Springfield show ( 1995: 582). Madawaska [Faraday] mine near Bow Lake, Hastings County. Some of the world's...property of, the old Madawaska uranium mine (called the Faraday mine before 1964). The mineral assemblage...Cowgill, 1977). LATINAMERICA BRAZIL Jacupiranga mine, Sao Paulo. Among the crystallized minerals in the...Oblast. Alpine-type clefts in the famous Dodo quartz mine commonly contain ilmenite, occurring as lustrous...ilmenite crystals as described here for the Dodo mine. In general, ilmenite crystals from the Subpolar |  | | Book | | Buenos Aires 1999 1 Subsecretaría de Minería de la Nación Servicio Geológico Minero Argentino Instituto...Aires - 1999 2 Tapa: Vista hacia el sur desde la Puerta de las Angosturas, ruta provincial 45 (km... provincia de Catamarca. Sedimentitas de la Formación de la Cuesta (Pérmico). Fotografía: Leonardo Escosteguy... 5I DR. ROBERTO CAMINOS No es sencillo rescatar la personalidad de alguien a quien le gustaba tener...porque creemos que es un deber recordar sus virtudes y la influencia que Roberto Caminos tuvo en el progreso |  | | Report (volume) | | for arkose and limestone sequence which overlies La Pasada and Flechado Formations (both new). Overlain...feet in Rio Pueblo area. Contact with underlying La Pasada, well exposed in upper part of Dalton Bluff...composed primarily of limestone in upper half of La Pasada to sequence with major percentages of arkosic...important because it provides contact with underlying La Pasada and lower 250 feet of formation which is not...San Miguel County. Base of section, which begins in La Pasada Formation, is about two-thirds of way up partly |
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