 | | Book | | Lower Paleozoic Sediments of the Cordillera Real, Bolivia H.-J. Schneider . . . . . . . . . . . . . . . ... 137 The Stratabound Kellhuani Tin Deposits, Bolivia B. Lehmann . . . . . . . . . . . . . . . . . .... . . . . . . . . 147 X Contents El Aguilar Mine: An Ordovician Sediment-Hosted Stratiform Lead-Zinc...Stratabound Iron Ores in the Silurian of Argentina and Bolivia M.-A. Boso and C. R. Monaldi . . . . . . . . .... . . . . . . . . . . . . . . . . 175 The "La Helvecia" Pb, Zn, and Barite Deposit, Argentina A. Brodtkorb |  | | Report (volume) | | Cordillera Occidental, Bolivia By U.S. GEOLOGICAL SURVEY and SERVICIO GEOLOGICO DE BOLIVIA With a section on...Cordillera Occidental, Bolivia I by U.S. Geological Survey and Servicio Geol6gico de Bolivia; with a section...mineral resources-Bolivia-Cordillera Occidental. 3. Geology-Altiplano. 4. Geology-Bolivia-Cordillera Occidental...Geological Survey (U.S.) II. Servicio Geol6gico de Bolivia. Ill. Series. QE75.B9 no. 1975 [TN39.A4] 557.3s--dc20...cooperation between the Servicio Geologico de Bolivia and the U.S. Geological Survey. The geologic research |  | | Report (issue) | | S. Geological Survey and Servicio Geologico de Bolivia in cooperation with the Trade Development Program...............xi Site Descriptions Department of La Paz..................................... 1 Department...the U.S. Geological Survey-Servicio Geol6gico de Bolivia as part of the Mineral Resource Evaluation of the...of the Servicio Geologico de Bolivia located in their main office in La Paz. All of the data presented...States, and the Servicio Geol6gico de Bolivia in La Paz, Bolivia. This report is an edited version of |  | | Report (issue) | | Geologicas Universidad Nacional de La Plata Calle 1, No. 644 1900 La Plata, Argentina SPECI/ml fJJPCB...Tin-bearing granites from the Cordillera Real, Bolivia; A petrological and geochemical review . Waldo...Tertiary granitoids of the Cordillera Real of Bolivia, the Mesozoic and Tertiary granitoids of Peru,...massif (up to 390 ± 15 Ma) occur in western Neuquen province. Some of these are peraluminous, two-mica, microcline-bearing...1 Ma (British Antarctic Survey and Universidad de La Plata, unpublished data). These rocks have an evolved |  | Nieto-Samaniego, Angel F., Olmos-Moya, María de Jesús Paulina, Levresse, Gilles, Alaniz-Alvarez, Susana A., Abdullin, Fanis, del Pilar-Martínez, Alexis, Xu, Shunshan (2020) Thermochronology and exhumation rates of granitic intrusions at Mesa Central, Mexico. International Geology Review, 62 (3) 311-319 doi:10.1080/00206814.2019.1602789 | Journal (article/letter/editorial) | | María de Jesús Paulina Olmos-Moya, Gilles Levresse, Susana A. Alaniz-Alvarez, Fanis Abdullin, Alexis del Pilar-Martínez...María de Jesús Paulina Olmos-Moya, Gilles Levresse, Susana A. Alaniz-Alvarez, Fanis Abdullin, Alexis del Pilar-Martínez...Jesús Paulina Olmos-Moyaa,b, Gilles Levressea, Susana A. Alaniz-Alvareza, Fanis Abdullina,c, Alexis del...Nacional Autónoma de México, Posgrado en Ciencias de la Tierra, Juriquilla, Querétaro, México; cCentro de...structural pattern that form the physiographic province known as the MC (Figure 1). Plutonic bodies in |  | | Journal (article/letter/editorial) | | nature of the Mediterranean Sea, a wondrous pink tourmaline was so perfectly in harmony with gray granite...= 18 samples). During his trip to the Taurian province (Crimea, 1909), combining recreation in a manor...silicates collected by him in the Nizhniy Novgorod province. These are mainly palygorskite and spherosiderite...spherosiderite (botryoidal siderite) from the Buklovsky mine at Vyksy, Italic designates the names given by A...engineergeologist A.G. Kitaev have visited the Blyumov mine (Southern Urals), from which they have extracted |  | | Show/Event (guide) | | E307 Opals, emeralds, sapphires, amethysts and tourmaline. ABSOLUTE JEWELRY MFG. 4400 N Scottsdale Rd...POLIANA MINERALS Ruz Miltom Campos, 90 Virgem de la Paz, Minas Gerais 39630 Brazil Tel: +33-988-055-694...specimens, citrine, crystals spheres and points, tourmaline and aquamarine specimens, cut stones and citrine...USA Tel: 212-768-1945 Booth#: W10 Aquamarine, tourmaline, tanzanite, amethyst, citrine, quartz, morganite...Jiffriya Lane, Olcott Mawatha Galle, Southern Province 80000 Sri Lanka Tel: +09-122-22234 www.casablankagems |  | | Show/Event (guide) | | JOGS SHOW | 87 Special exhibition 2017 “From mine to mine.” www.munichshow.com 88 | JOGS SHOW on Visit...Santa Cruz, Santa Cruz Bolivia Tel: +59173148483 Booth#: E502 Ametrine from Bolivia, amethyst, citrine,...pave, beads. BEADS RESOURCES CORP 236 S 8th Ave La Puente, CA 91746 USA Tel: 626-333-9815 crcbeads.com...USA Tel: 212 768 1945 Booth#: W10 Aquamarine, tourmaline, tanzanite, amethyst, citrine, quartz, morganite...com Booth#: E411 Loose cut sapphires from single mine in Montana, Sapphire rough materials, Sapphire jewelry |  | | Report (issue) | | Mines Ltd........................ 186 El Limon mine .................................. 189 Small lode...Consolidated Gold Dredging Ltd............ 194 La Viborita mine............................... 199 Anori...Samana Sur, San Bartolome, Ite, Cocorna Sur, and La Miel. Large tributaries to these streams in turn...P^jvn c^xi'opt. I'ato ,*0 nuMit.o «to Planeacion de la -obernacior. de Antioquia ii'.ol i (iauvl vlold l^redgin^..."veredas") dot IIB. The largest towns are Puerto Berrio, La Dorada, and Honda, all on the Rio Magdalena. Transportation |  | Ramírez, L. E., Palacios, C., Townley, B., Parada, M. A., Sial, A. N., Fernandez-Turiel, J. L., Gimeno, D., Garcia-Valles, M., Lehmann, B. (2006) The Mantos Blancos copper deposit: an upper Jurassic breccia-style hydrothermal system in the Coastal Range of Northern Chile. Mineralium Deposita, 41 (3) 246-258 doi:10.1007/s00126-006-0055-9 | Journal (article/letter/editorial) | | which constitute a NS-trending metallogenetic province (Camus 2003). The volcanichosted strata-bound...underground mines. During the past 20 years, the mine has been transformed into a large open-pit operation...the Middle to Upper Jurassic volcanic rocks of the La Negra Formation, crosses represent Jurassic plutonic...000-m thick basaltic to andesitic volcanic pile (La Negra Formation) and granitic to dioritic plutonic...gently dipping sills of both rock types occur in the mine, varying in thickness between 10 and 50 m. The feeder |  | | Book | | 177 STRATIGRAPHY AND PALEOGEOGRAPHY OF THE SANTA SUSANA FAULT ZONE, TRANSVERSE RANGES, CALIFORNIA . . ...views of the subducted slabs) . At 80 mybp (Fig . lA), near the beginning of the Campanian, subduction...CM/YR I Pac JdeF • VOLCANOES BASIN - RAN GE PROVINCE COLORADO PLATEAU INC I PIENT / SAN ANDREAS-,£-/...extensional deformation within the Basin and Range Province in general occupies, but is not confined entirely...extensional breakup within the Basin and Range Province would modify that rate somewhat. Nevertheless |  | | Journal (article/letter/editorial) | | Mineralogist Mineralogical Association of Canada, 490 de la Couronne, Québec QC G1K 9A9, Canada, Email: offi...alluvial sapphires from the Orosmayo region, Jujuy Province, northwest Argentina—Stephen J. Harris, Ian T...the McArthur River U deposit, Canada, based on tourmaline trace element and stable (B, H) isotope compositions—Erin...and boron isotopic composition of hydrothermal tourmaline from the Panasqueira W-Sn-Cu deposit, Portugal—Marta...Thomas Aiglsperger, and Anna Vymazalová Application of LA-ICP-MS trace-element analysis for precious metal |  | | Journal (issue) | | Matthew von der Ahe Brad von Dessonneck Dermot Walsh Susana Watson Anton Watzl Minerals Douglas Watts John...lower crust and mantle beneath the Wyoming craton province. Gem-quality diamonds up to 28.3 carats have been...Stateline District, most notably from the Kelsey Lake Mine, a cluster of 8 diamondiferous pipes near the Wyoming...Wyoming Craton and the younger Proterozoic Yavapai province to the south, which allowed diamond-bearing kimberlites...gem-quality octahedral crystal from the Kelsey Lake Mine, Stateline District, Colorado. (Photo from Coopersmith |  | | Book | | Kimmeridgian? to Paleocene Tectonic Evolution of Bolivia T. Sempere • . . . . . . • . . . . • • . . • ....refers to the evolution of the Cretaceous basin in Bolivia, and is the work of Thierry Sempere. The next paper...279 pp. Groeber, P. (1953): Andico in Geografia de la Republica Argentina. Mesozoico, (Groeber, P., Stipanicic...Observations sur un essai de carte geologique de la France, des Pays-Bas et des contrees voisines. Annales...Group shelf sediments have been uplifted between La Victoria and San Sebastian Faults since being overthrust |  | | Report (issue) | | geologicas-mineras sobre cobre en los prospectos de "Los Alisos", "La Caridad" y "El Alacran"- Reconocimiento geologico...L., and Gomez Caballero, A., 1986, Resultados de la evaluacion del deposito de boratos del area Tubutama...hierro de La Perla y La Negra, municipio de Camargo, Chihuahua [Iron deposits of La Perla and La Negra,...Cendejas F., C., and Barcenas R., A., 1978, Geologia de la region cuprifera del Transvaal, municipio de Cumpas... and Ortlieb, L., (eds.), Primero simposio sobre la geologia y potencial minero del estado de Sonora |  | | Journal (article/letter/editorial) | | Accord Station, Hingham, MA 02018-0358 BULLETIN DE LA SOCIÉTÉ GÉOLOGIQUE DE FRANCE Société géologique de...Akasaka 9chome, Minato-ku, Tokyo 107, Japan REVISTA DE LA ASOCIACIÓN GEOLÓGICA ARGENTINA Asociacion Geologica...Hydrothermal alteration of “La Serrata” bentonite (Almeria, Spain) by alkaline solutions—Susana Ramírez, Jaime Cuevas...APPLIED GEOCHEMISTRY Vol. 17, No. 10, 2002 Assessing mine drainage pH from the color and spectral reflectance...V. Cashman, and C.R. Bacon 199 247 BULLETIN DE LA SOCIÉTÉ GÉOLOGIQUE DE FRANCE 455 472 486 Vol. |  | | Journal (issue) | | NE of the Sandawana mine, along the Mweza Range, which is named 'Machingwe' mine, after a nearby stream...The Machingwe Emerald mine The car journey from Masvingo to the Mashingwe mine takes about 3l/z hours...for the mine became 'Machingwe Syndicate No. No.22 Mine', but is better known under the name Mine: Machingwe...Machingwe mine. At the time of the first author's visit to the mine -S striking, the No. No.11 shaft shaft...mining based on very simple methods at the time the mine was visited, but also the plant and the treatment |  | | Show/Event (guide) | | States Tel: 212-768-1945 Booth#: W7 Aquamarine, tourmaline, tanzanite, amethyst, citrine, quartz, morganite...Guatemalan beadwork & handicraft. FASHION JEWELRY LA 210 E Olympic Blvd, Suit 106 Los Angeles, CA 90015...leather products. JAA SILVER 2134 Avenida De La Playa La Jolla, CA 92126 United States Tel: 703-870-6100...pearls. List of Exhibitors PANDORA’S BOX 1125 Susana St. Martinez, CA 94553 United States Tel: 925-822-5790...Jewelry, Polished and Rough stones. PEMA ARTS INC. 605 La Paloma Ave. Alhambra, CA 91801 USA Tel: 510-220-0419 |  | | Report (issue) | | R. F. Yerkes Geology of the Tran.sverse Range province, southern California, by 'I'hnnias T;. Bailey...O. Emery Xorthem part of the Peninsular Range province, by Richard H. Jahns SHEETS (In pocket) Geology...Isometric diagram of the upper part of the Kelly silver mine, San Bernardino County, California. Isometric diagram...Geologj- of the Geologic map of the Transverse Range province, southern California. Geologic map of southern...Rancho Donald G. Herring. 31. Geologj- of the 1. lA. Structure sections across the Los Angeles basin |  | | Journal (issue) | | local decorative stones as well as sodalite from Bolivia, and the first Colombian emeralds, used by Incas...which are said to be very close to the chrysocolla mine (see p.330). The RI of the pink opal is 1.45 1.49...rough on the left is 4 cm wide. The Acari copper mine near Nazca in Arequipa department (close to the...material (Figure 5), comes probably from Lily, a copper mine near Pisco (Hyrsl and Rosales, 2000). It has an...Cuminerals (but not by Ni as in chrysoprase). The Lily mine was developed in about 1998 /. Gemm., 2001, 27, |  | | Book | | 209 Wilmington Oil Field 209 Los ANGELES River 210 La Brea Tar Pits 212 SAN JUAN CapisTRANO 213 CoasTAL...of uplift Transverse of shortening Basin Ranges; LA Basins ys) Basin & Range Deposition of Monterey...Andesite volcanism in Deposition Mojave Desert, LA Basin, western Transverse Ranges, SE Peninsular Ranges...richest concentrations, not only of gem-grade pink tourmaline, once prized by the empress dowager of China...varies in composition as well as name from province to province. Typically, it consists of quartz- and feldspar-rich |  | Polya, D.A, Foxford, K.A, Stuart, F, Boyce, A, Fallick, A.E (2000) Evolution and paragenetic context of low δD hydrothermal fluids from the Panasqueira W-Sn deposit, Portugal: new evidence from microthermometric, stable isotope, noble gas and halogen analyses of primary fluid inclusions. Geochimica et Cosmochimica Acta, 64 (19) 3357-3371 doi:10.1016/s0016-7037(00)00459-2 | Journal (article/letter/editorial) | | vein minerals are crack-seal textured quartz and tourmaline (QS) which are overgrown by fibrous textured...amounts of quartz, arsenopyrite, topaz, apatite and tourmaline (MSF). The MOSS is volumetrically the most important...arsenopyrite, wolframite, cassiterite, apatite and tourmaline. At any one location, the sequence QS ⬎ MSF ⬎...cassiterite and widespread but volumetrically minor tourmaline. The MSS is volumetrically the second largest...Quartz Tourmaline Quartz Tourmaline Muscovite Arsenopyrite Topaz Apatite Quartz Tourmaline Muscovite |  | | Report (volume) | | Mountains, Germany; Copiapo, Chile; and Colquechaca, Bolivia; and the pitchblende-bearing sulfide veins of Goldfields...San Francisco district, Utah; and the Liberty Bell mine, Telluride district, Colo., all contain small amounts...at Buckskin Peak, Nev.; the Abbott mine, Calif.; the Lucky Boy mine, Piute County, Utah; and at Guadalcazar...quicksilver mine the ore consisted almost entirely of tiemannite, and at the De Lamar mine, Silver City...absent. The Hiaco (Pacajake) silver mine near Colquechaca, Bolivia, and the silver-lead selenide vein |  | | Journal (issue) | | along with other gem minerals including corundum, tourmaline a n d garnets, were obtained over a six year...n d to the east of the well-known U m b a River mine producing pastel shades of gem corundum. T h e precise...suspected to be the cause of the colour in gem tourmaline, zoisite (tanzanite), axinite, grossularite and...Arusha-Voi-Tanga portion of the Kenya-Tanganyika Province of the Mozambique Mobile Belt. 205 TABLE I I...MnO MgO CaO H2O>105°C H2O<105°C ZnO CuO NiO CoO (la) 40-3 0-05 21-8 n.d. 0-75 — (lb) 40-3 0-05 21-8 |  | | Journal (article/letter/editorial) | | Tocopilla–Taltal) and the central areas (Copiapó, La Serena, Santiago). The former is distributed in the...areas: Arica– Iquique, Tocopilla–Taltal, Copiapó, La Serena and Santiago (Fig. 1). Most deposits of the...contrast to those of the central areas (Copiapó, La Serena, Santiago) distributed in the intracontinental...volcanicsedimentary piles (Camaraca, Ofícina Viz and La Negra Formations), except the Mantos Blancos deposit...Tocopilla–Taltal Jurassic (Pliensbachian – Aaleian) La Negra F., andesitic rocks with subordinate marine |
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