 | | Report (issue) | | No. 12: Bolivia ht of Mineral Collecting N 978-0-9790998-5-4 Publisher Lithographie, LLC Denver, Colorado...specimen 'being sold with the shrine when he was in Bolivia buying mineral specimens in the 1970s. He took...(presumably without the shrine) to a European in La Paz, Bolivui. Rolf Wein bought the specimen on July...Ph08pl,ophyllite; 5. 2 cm tall Cerro Rico, Potosi, B,atillo province, Potosi Andy Seibel col/action Jejf-SC...wp11ïżœ. Yaalte: 12.5 cm wide Siglo XX Mine, ,Uïżœ Bustillo province, Potosi Malty Zinn colkdknt (ex Marv |  | | Journal (issue) | | 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, âFamous mineral localities: the Old Yuma mine,â in vol....period of activity, access to the mine was cut off in 1984. In 1996 the mine area was absorbed into the Saguaro...and Mining Company for the sum of $558,000. The mine is now owned outright by the Federal Government |  | | 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 |  | | Journal (article/letter/editorial) | | silicicto basic,but in the oresas well. For example,at La Joya (Fig. âą), enargite-tennantite veinsoccurwith...âąlntimony I?eiâązs.--Most of the antimonydepositsof Bolivia belongto this group. They havebeenformedat depthsranging...quartz with stibnitecrystals. A vein at the Tarumita mine near Caracollo north of Oruro contains smallpocketsof...niccolite and gersdorffite,in someplaceswith chalcopyrite,form small pocketsin sideriteand barite veins...--Veins of quartz,calciteand sideritecontaining chalcopyrite and tetrahedrite,are scatteredthroughoutthe |  | | 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 |  | Fogliata, A.S., BĂĄez, M.A., Hagemann, S.G., Santos, J.O., Sardi, F. (2012) Post-orogenic, Carboniferous granite-hosted SnâW mineralization in the Sierras Pampeanas Orogen, Northwestern Argentina. Ore Geology Reviews, 45. 16-32 doi:10.1016/j.oregeorev.2011.12.001 | Journal (article/letter/editorial) | | the La Quebrada granite in the Sierra de MazĂĄn, the Cerro Colorado granite in the Cerro Negro, and the...zircons from the Cerro Colorado and La Quebrada granites, located in the Cerro Negro and Sierra de MazĂĄn...SnâW mineralization in the Eastern Tin belt of Bolivia. © 2012 Elsevier B.V. All rights reserved. 1....Regional geological setting The Sierras de Velasco, Cerro Negro and Ancasti are located in the Sierras Pampeanas...Velasco (Fig. 1) is located in the northwest of the La Rioja city and is composed of mainly granitoids with |  | Zentilli, Marcos, Munizaga, Francisco, Graves, Milton C., Boric, Ricardo, Wilson, Nicholas S. F., Mukhopadhyay, Prasanta K., Snowdon, Lloyd R. (1997) Hydrocarbon Involvement in the Genesis of Ore Deposits: An Example in Cretaceous Stratabound (Manto-Type) Copper Deposits of Central Chile. International Geology Review, 39 (1) 1-21 doi:10.1080/00206819709465257 | Journal (article/letter/editorial) | | precipitation. Copper sulfides (bornite, chalcocite, chalcopyrite) filled spaces among bitumen, carbonate, and...Miocene Corocoro stratabound copper deposits in Bolivia was pointed out by Singewald and Berry (1922)....currently are being naturally concentrated, near La Piadosa, 3 r d Region, Chile. In relatively older...documented by Ulriksen (1970) in the Uchumi copper mine in the Elqui region. Bitumen was recognized in 1985...important Chaharcillo Ag district and the producing La Coipa Au/Ag deposit in the Maricunga district. Until |  | Salazar, Eduardo, Barra, Fernando, Reich, Martin, Simon, Adam, Leisen, Mathieu, Palma, Gisella, Romero, Rurik, Rojo, Mario (2020) Trace element geochemistry of magnetite from the Cerro Negro Norte iron oxideâapatite deposit, northern Chile. Mineralium Deposita, 55 (3) 409-428 doi:10.1007/s00126-019-00879-3 | Journal (article/letter/editorial) | | Trace element geochemistry of magnetite from the Cerro Negro Norte iron oxideâapatite deposit, northern Chile...Cretaceous Cerro Negro Norte deposit located in the Chilean Iron Belt, northern Chile. The Cerro Negro Norte...different types of magnetite are recognized at Cerro Negro Norte: type I, represented by high-temperature...chemical variation between magnetite types in Cerro Negro Norte is explained by a transition from high-...Minera del PacĂfico (CMP), Pedro Pablo Muñoz 675, La Serena, Chile Miner Deposita Introduction The |  | | Journal (article/letter/editorial) | | journal homepage: www.elsevier.com/locate/oregeorev La JoseïŹna AuâAg deposit (Patagonia, Argentina): A Jurassic...Nacional de La Plata, Instituto de Recursos Minerales (INREMI), Calle 64 y 120, B1900FWA, La Plata, Argentina...Nacional de La Plata, Instituto de Recursos Minerales (INREMI), Calle 64 y 120, B1900FWA, La Plata, Argentina...AuâAg veins Patagonia Argentina a b s t r a c t The La JoseïŹna Jurassic epithermal AuâAg deposit located...sulfosalts (freibergite), pyrite, galena, sphalerite, chalcopyrite and specular hematite with minor arsenopyrite |  | | Journal (article/letter/editorial) | | porphyry Cu-Au association at Bajo de la Alumbrera, Catamarca Province, Argentina D. Miiller 1'* and P. Forrestal...1997; accepted September 2, 1998 Summary Bajo de la Alumbrera forms an example of a series of world class...The Bajo de la Alumbrera porphyry coppergold deposit is situated in the Catamarca Province of Northwest-Argentina...consists mainly of disseminated and/or vein-related chalcopyrite within the central potassic alteration zone...agglomerates of the Upper Miocene Farallon Negro Formation. The Farallon Negro Formation is interpreted as the remnants |  | Quang, C. X., Clark, A. H., Lee, J. K. W., Guillen B., J. (2003) 40Ar-39Ar AGES OF HYPOGENE AND SUPERGENE MINERALIZATION IN THE CERRO VERDE-SANTA ROSA PORPHYRY Cu-Mo CLUSTER, AREQUIPA, PERU. Economic Geology, 98 (8) 1683-1696 doi:10.2113/gsecongeo.98.8.1683 | Journal (article/letter/editorial) | | OF HYPOGENE AND SUPERGENE MINERALIZATION IN THE CERRO VERDE-SANTA ROSA PORPHYRY Cu-Mo CLUSTER, AREQUIPA...JORGE GUILLĂN B. Sociedad Minera Cerro Verde S.A., Asiento Minero Cerro Verde-Uchumayo, Avenida Alfonso...Casilla 299, Arequipa, Peru Abstract The contiguous Cerro Verde and Santa Rosa porphyry copper deposits are...dates of 61.8 ± 0.7 (2Ï) and 62.0 ± 1.1 Ma for Cerro Verde, and 62.2 ± 2.9 Ma for Santa Rosa, representing...pediment, which itself is incised into the older La Caldera surface. Two populations, of ages 36.1 to |  | Mathur, R., Marschik, R., Ruiz, J., Munizaga, F., Leveille, R. A., Martin, W. (2002) Age of Mineralization of the Candelaria Fe Oxide Cu-Au Deposit and the Origin of the Chilean Iron Belt, Based on Re-Os Isotopes. Economic Geology, 97 (1) 59-71 doi:10.2113/gsecongeo.97.1.59 | Journal (article/letter/editorial) | | initial 187Os/188Os ratio for sulfide from Bronce mine, a small satellite of the Candelaria orebody, is...were proposed for THE CANDELARIA Cu-Au deposit (470 Mt at 0.95 wt % Cu, 0.22 g/t Au, and 3.1 g/t Ag; Marschik...Carmen Chañeral Manto Verde 27 Cerro Negro Norte CopiapĂł Cerro ImĂĄn Candelaria BoqerĂłn Chañar 28...Magnetite-apatite deposit Iron oxide Cu-Au deposit El Tofo La Serena Pliocene to Recent Upper Cretaceous to Miocene... magnetite-apatite deposits (Romeral, Cerro ImĂĄn, Cerro Negro Norte), and Chilean porphyry copper deposits |  | | Journal (article/letter/editorial) | | Corp 5%) poured its 20-millionth gold ounce life-of-mine. Reported 2008 end-of-year oxide reserves within...hard-rock deposits and two gravel fan deposits (La Quinua, La Quinua Sur) have been developed. Cumulative...topographic highs. Most ore is classified as run-of-mine, indicating that no crushing circuit is needed in...micron-size inclusions within limonitic fractures. Life-of-mine (LOM) recovery has exceeded 70 percent, whereas...Sedimentary Rocks (Paleozoic-Precambrian) c e a n BOLIVIA 10° NORTH 0 200 400km CHILE 82° 78° 74° |  | | Journal (article/letter/editorial) | | Germany AND LLUĂS FONTBOTĂ Section des Sciences de la Terre, UniversitĂ© de GenĂšve, Rue des MaraĂźchers 13... Chile. This belt includes the large Candelaria mine and a group of middle- and small-sized mines in...are on the order of 700 to 800 million metric tons (Mt) at 1.0 percent Cu. The ore occurs in veins, breccia...portions of the ore of the Candelaria deposit. Chalcopyrite is the only hypogene Cu mineral. The Cu-Au ore...stage followed with formation of pyrite and chalcopyrite at temperatures of >470° to 328°C. Subsequent |  | Ford, A., Hagemann, S.G., Fogliata, A.S., Miller, J.M., Mol, A., Doyle, P.J. (2015) Porphyry, epithermal, and orogenic gold prospectivity of Argentina. Ore Geology Reviews, 71. 655-672 doi:10.1016/j.oregeorev.2015.05.013 | Journal (article/letter/editorial) | | gold district which hosts, amongst others, the Cerro Vanguardia low sulïŹdation epithermal goldâsilver...Northwestern Argentina, CulampajĂĄ, FarallĂłn Negro-Bajo de la Alumbrera, El IndioâPascua, Nevados del Famatina...detailed references provided. Note that in each gold province only major deposits or deposits that have been...classic ore deposit handbook Recursos Minerales de la Republica Argentina (Zappettini, 1999) or a recent...provinces (Orogenic) The Puna plateau (Puna geological province) in Jujuy, Salta, and Catamarca provinces marks |  | | Journal (article/letter/editorial) | | flank of the Cordillera Frontal in San Juan province,Argentina. Closeto San Franciscode los Andes are...tourmaline were followed by bismuthinite,emplectjte,chalcopyrite, bornite,digenite,tetrahedrite,sphalerite,chalcocite...de los Andes mine is on the eastern referred to the San Francisco de los Andes mine as flankof the...origithe year of its discovery, and 1945,whenthe mine nal 1:25,000. The depositwas mappedon scales 1:500...colored, wellstratifiedquartzandfeldspathic Cerro Negro de la Cortadera posit, is a geologicprovincethat |  | Vidal, Conrado Permuy, Guido, Diego M., Jovic, SebastiĂĄn 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 AuâAg 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) | | sulfidation epithermal AuâAg deposit in the Cerro Negro district, Deseado Massif, Patagonia, Argentina...2016 Abstract The Cerro Negro district, within the Argentinian Deseado Massif province, has become one...(INREMI), Universidad Nacional de La Plata, Calle 64 y 120, B1900FWA La Plata, Argentina 2 Department...Jurassic . Patagonia . Argentina Introduction The Cerro Negro district is located at the northwestern margin...margin of the Deseado Massif geological province, Patagonia, Argentina (Fig. 1). The area has been the focus |  | | Journal (article/letter/editorial) | | Cenozoic ore deposits in the Chilean Andes between La Serena (30S) and Santiago (34S) include polymetallic...Cordillera, in particular Peru, northern Chile, and Bolivia, whose genesis is intimately related to the magma...deposits, which typify the eastern Cordillera in Bolivia and southern Peru, are uncommon between 30 and...Andesite lavas and trachyte Andesitic lavas Cerro Negro Talcuna Arqueros Mantos de Catemu Sandstone...are less than 0.1% (2r) (see Appendix). Cpy Chalcopyrite Map no. Sample no. Manto deposits Volcanic |  | | Journal (article/letter/editorial) | | (In-Ge) AND Te-Se IN EPITHERMAL DEPOSITS OF THE âLA CAROLINAâ DISTRICT, SAN LUIS (ARGENTINA). Gallard-Esquivel...Deady] Abstract Epithermal Au-Ag deposits of the La Carolina district, in the San Luis metallogenetic...this district, mineralization in the Cerro Mogote and Puesto La Estancia prospects occur as disseminations...sulphides are pyrite, sphalerite, galena and chalcopyrite. Pyrite and sphalerite have compositional zoning...high concentrations for this mineral. The Puesto La Estancia deposit contains various tellurides including |  | Carrillo-RosĂșa, Javier, Boyce, Adrian J., Morales-Ruano, Salvador, Morata, Diego, Roberts, Stephen, Munizaga, Francisco, Moreno-RodrĂguez, VerĂłnica (2014) Extremely negative and inhomogeneous sulfur isotope signatures in Cretaceous Chilean manto-type Cuâ(Ag) deposits, Coastal Range of central Chile. Ore Geology Reviews, 56. 13-24 doi:10.1016/j.oregeorev.2013.06.013 | Journal (article/letter/editorial) | | Ciencias de la EducaciĂłn, Campus de Cartuja, 18071 Granada, Spain Instituto Andaluz de Ciencias de la Tierra...deposits. We present a detailed stable isotope study of La Serena and MelipillaâNaltahua Lower Cretaceous deposits...in the two areas is very wide: â38.3 to â6.9â° in La Serena, and â50.4 to â0.6â° in MelipillaâNaltahua...sulfates range from 7.9 to 14.3â°, and are exclusive to La Serena deposit. The wide sulïŹde isotopic range occurs...from a hydrothermal ïŹuid with ÎŽ34S close to 0â°. For La Serena, a single step model ïŹts best, without framboidal |  | | Journal (article/letter/editorial) | | present data on the systematics of Re-Os isotopes at La Candelaria and a number of other deposits in the...new and important confirmation of the idea that the La Candelaria ores are related to nearby igneous rocks...mineralization at La Candelaria. Three samples from magnetite-apatite deposits (Cerro Negro Norte, Cerro ImĂĄn, and...to 7.6 ± 0.7) significantly higher than those for La Candelaria (0.36 ± 0.10). On the basis of these three...it is unlikely that iron deposits like Cerro Negro Norte or Cerro ImĂĄn with extremely low Re/Os ratios |  | | Journal (article/letter/editorial) | | specular hematite as major accompaniments to chalcopyrite±bornite (e.g. Ray and Lefebure 2000). Besides...view of the fact that the central Andean IOCG province is the worldâs youngest, is largely unaïŹected...geological and metallogenic settings of the IOCG province in the Coastal Cordillera of Chile and Peru and...Volcano-sedimentary rocks The Middle to Late Jurassic La Negra Formation, up to 5,000â10,000 m of subaerial...Cobrepampa, Peru Tocopilla, Chile Montecristo, Chile Cerro Negro, Chile Teresa de Colmo, Chile Mantoverde, Chile |  | | Journal (article/letter/editorial) | | Jurassic and Cretaceous age exposed in the Cordillera de la Costa of northern Chile and central and southern...Santiago Valpara so Cerro Pelado Morritos o 20 S o 20 S Bolivia Pacific Bolivia Tocopilla Guanillos...Mantos Blancos Montecristo-Julia Chile Chile La Negra Arc Tarapaca Basin Santo Domingo Carrizalillo...Carrizalillo de Las Bombas Teresa de Colmo E l Salado Cerro Negro San Domingo Sur Las Animas Mantoverde Galleguillos...Productora Cristales Argentina s major IOCG centers La Higuera San Antonio Brillador Talcuna E l Romeral |  | Barra, Fernando, Reich, Martin, Selby, David, Rojas, Paula, Simon, Adam, Salazar, Eduardo, Palma, Gisella (2017) Unraveling the origin of the Andean IOCG clan: A Re-Os isotope approach. Ore Geology Reviews, 81. 62-78 doi:10.1016/j.oregeorev.2016.10.016 | Journal (article/letter/editorial) | | contents in sulfides (pyrite, ACCEPTED MANUSCRIPT chalcopyrite) from IOCGs are low, ranging from 2 to 149 ppb...stockworks, breccias and TE mineralization D chalcopyrite and minor bornite with important amounts of...Candelaria deposit with estimated total reserves of 408 Mt with Cu grades of 0.6 % and 0.1 g/ton Au (http://www...and Mantoverde with 42.7 Mt averaging 0.58 % Cu in oxides and about 440 Mt at 0.56 % Cu, and 0.12 g/t...bodies with minor sulfides, mainly pyrite ± chalcopyrite (Ruiz SC et al., 1965; Bookstrom, 1977; Sillitoe |
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