 | | Report (issue) | | Trip Roadlog for International Gold Conference, San Jose, Costa Rica, October 20-22, 1987 edited by...Laboratories, conducted a resource assessment of Costa Rica. This work culminated in the production of 1-1865...the Republic of Costa Rica. In October of 1987, a meeting was held in San Jos6, Costa Rica, in order to... International Gold Conference Conferencia International de Oro San Jose, Costa Rica October 20-22,...Hotel Sheraton Herradura organizada por Ministerio de Recursos Naturales, Energia y Minas Minera National |  | | Journal (article/letter/editorial) | | porphyry copper-molybdenum and porphyry copper-gold. These deposits are associated with volcanic and...+604-822-8535 F. Munizaga Departamento de Geologı́a, Universidad de Chile, Casilla 13518, Correo 21, Santiago...206 Pb/204Pb than a porphyry copper-gold system and peripheral gold veins at Andacollo (18.43–18.50). Late...Late Cretaceous veins from the Bellavista deposit have the lowest 206Pb/204Pb (18.33) of all deposits...with less common lead, zinc, and varying amounts of gold and silver (Camus 1990a). Tinbearing and lead–zinc–silver |  | | Journal (article/letter/editorial) | | I 76 ø 72 ø _ • . [00 I . I 200 km _ I . DE HORNOS FIG. 1. Locationmap of the Chilean Andesregion...lera Oriental of Bolivia. Radiometric data have de- attributed by someauthorsto variationsin P-T conditions...strata-boundbodies (see Wellmer et al., 1983, for the El Toqui mine). PreviousWork on Pb Geochemistryin the Central...southern Cu, Fe, Au, and Ag are the main metals.The de- Andes.This is interpretedasa productof the interpositsare...14% Location: NO. AGP Field district no. and mine latøS, 1ongøW El Salvador 26ø-15.Y El Salvador |  | | Journal (issue) | | Antapaccay inició producción de cobre El rol clave de las empresas de ingeniería Peru: Copper production...Toronto, Canada www.pdac.ca EVENTO ASOCIADO A 8 DE AbrIl 2013 SHErATON SANTIAgO HOTEl & CONVENTION...chile? TEMAS Desafíos para la industria Restricción de capital para la exploración y su impacto en la industria...minera. Visión global. Sustentabilidad en el negocio de exploración minera Auspicios Contacte a su ejecutiva...INTERNACIONAL L A LA EDITORIAL TÉCNICA Y DE NEGOCIOS LÍDER DE CHILE R E V I S TA D E L A I N D U S |  | | Book | | .....• ••~.. lnstituto Tecnol6gico i ~ GeoMinero de Espana Special Publication No. 8 f_o_r_G~e~o-lo_g_y_...CARDOZO Universidad Nacional de lngenieria, and Newmont Peru Limited Gerente de Exploraciones Av. Jose Galvez...CEDILW Facultad de Minas, Metalurgia y Geologia, Universidad de Guanajuato Ex-Hacienda de San Matias s/n...Prof. Dr. Lwfs FONTBOTE Departement de Mineralogie, Universite de Geneve 12, rue des Maraichers CH-1211...Prof. Dr. JOSE FRUTOS Programa de Geologia Econ6mica Aplicada, Universidad de Concepci6n Casilla 4107 Concepci6n |  | | Report (issue) | | ......... .....do....... .......... \ 1 Contra Costa. .... Mono-Tuolumne ...... San Luis Obispo. _ .......... San Francisco _ .. .... Fresno _____ ... Gold Hill.......................... ........... Furnace..."Ppulr Indian Valley Special.. Alameda-Contra Costa Plumas.. __ ........ Stoasta.... __ ........ Mariposa.... Inyo-Tulare _____ . Shasta.. ______ . Contra Costa. _ . .... ....do................. Fresno. ........ Peak.... _ . __ ........... __ ... ... Contra Costa..... .... Peak...... ________ . ___ .... Mount Lyell |  | | Journal (article/letter/editorial) | | Paita or Chiclayo to Bellavista, and thence by the Maranon river through the Pongo de Manseriche to Iquitos...far as Bellavista, although the trail is extremely bad. Between Bellavista and the Pongo de Manseriche... that it was impossible to pass beyond the Pongo de Manseriche in canoe; and secondly, that the Indians...travelled from Iquitos up the Marafion all the way to Bellavista in a canoe. Brunning had accomplished part of...fact, I had rather made up my mind to see the Pongo de Manseriche at all costs, and was not inclined to |  | | Book | | “unio Lillian Michelson LM 00005093 SWEAT|GOLD AND OF THE SUN, [EMERALD TEARS OF|TREASURES OF THE...Angeles County Los Angeles, California ~ __SWEAT|GOLD AND OF THE SUN, |EMERALD | TEARS OF|TREASURES OF...and ALEC BRIGHT Exhibit Designer Museo del Oro Banco de la Republica Bogotd, Colombia Introduction..._ WARWICK M. BRAY, PhD Director, Museo del Oro Banco de la Republica Pre-History Department LUIS DUQUE...Exhibition, Sweat of the Sun, Tears of the Moon: Gold and Emerald Treasures of Colombia, held at The Natural |  | | Report (issue) | | Bulletins or Reports, giving the conditions existing in gold, copper, quicksilver, and all the branches of giving...250tons 7,725 Glass 7,725 " Glass Sand Sand... . . Gold Gold........ ... Granite 408,625 cu. It. 408,625 Granite...substances (including precious metals) for 1903 1903was gold, silver, mineral paint, quicksilver, copper, manganese...value value of the principal mineral products of the Gold; 2d, Petroleum The relative the principal mineral...products the State State is as follows: follows 1st, Gold Petroleum; their products; 5th, Quicksilver; 6th |  | | Journal (issue) | | will, on the other hand, influence investors to buy gold, and perhaps silver. Another indicator worth looking...in certain sectors such as technology and certain gold stocks, on a broader base the market is vulnerable...shed its usual premium over gold in late November, trading at a discount to gold in excess of $5. To December...626 4521 ~ Fax 071 623 3982 Telex 888704 =: II Gold most merchants, this rare occurrence sent a bear...and mainly for jewelry and investment in Japan. Gold has been basking in the limelight once again following |  | | Book | | tai =So se oo == om uo Zeal em Ee oO 26 de nv i Sawaal foo & . Ss j ee = oS i (Eo ...ode 62 ta rag bane yee Coe ae a Hees 67 Plaza de Armas - Barrio Civico - Cerro Santa Lucia - Barrio...Lastarria - Barrio Brasil - Providencia - Barrio Bellavista Northern Argentine Patagonia.................COASTAL RIO NEGRO PROVINCE AND VICINITY ..............2222220-003- 97 Carmen de Patagones - Viedma...Sy Ue aE gtr oe 109 Aluminé - Junin de los Andes - San Martin de los Andes - Parque Nacional Lanin - |  | | Journal (issue) | | 20 Mayo · Junio 2015 MINERÍA CHILENA: EL DESAFÍO DE SEGUIR CRECIENDO Cómo será Chuquicamata Subterránea...Transmisores de presión Transmisores de presión con carcasa a prueba de fuego Transmisores de presión con...keller-druck.com RopeCon® – La innovación en el manejo de material a granel No importa por donde ustedes tengan...manejará sin problema! Distancias largas, capacidades de hasta 25.000 toneladas/hora, un impacto medioambiental...mínimo, un funcionamiento poco ruidoso y bajos costes de explotación y mantenimiento: éstos son los hechos |  | | Journal (issue) | | Direcci6n General de Geologia y Minas (DGGH), Quito , and the Direccion General de Hidrocarburos (DGH)...commenced with a photogeological survey of the Loj a Province in 1969 {Kennerley, 1973). In 1972 this programme...Quito consideradas en su relaci6n con los temblores de tierra y seguidas en su march a paralela con las...cient{fica sobre el volcan Pichincha sequida de la relacion de un viay·e a su crater. [Historical_and scientific...(Quito.) AGUILERA, E. 1973. Geologia d el cuadrangulo de D eliciasO16n. [Geology of the D elicias-O16n quadrangle |  | | Report (issue) | | the data at the library of the Servitio National de Geologia y Mineria was accommodated by Juan Carlos...Nacional de Geologia y Mineria in Santiago: 1) Pacci, D. y Caseras, R., 1980, Inventario de yacimientos...Gerencia de Desarollo, Santiago, unpaginated. 3) Diaz, F., et al, 1980, Mapa metalogenico pronostico de la...la El Region: Corporacion de Fomento de la Produccion: Santiago, unpaginated. 4) SERPLAC, 1981, Estudio...minero de la IV Region: Santiago, unpaginated. 5) SERPLAC, 1981, Estudio del sector minero de la V Region: |  | | Journal (volume) | | 20 and 1. January to December 1915. Accounts Mine, System Action of Dissolved Air of, in Mill Pulp...and Folation, Air and Temperature in the Deepest Mine in the World,. Air, Compressed, for Ore Flotation...Convenient, Alloys in Engineering Construction, Alloys of Gold, Silver and Platinum, Melting Points of,.. All-Slime...Analysis of Ores containing Tellurium, 140 Ancient Gold Market, 208 Antimony and Arsenic, Determination...Uplift, Complete Testing Laboratory, forperanza Mine, Compressed Air for Ore Flotation, Concentrates |  | | Report (issue) | | Committee Members John E. Larson, BHP-Utab, S.A. de C.V., Hermosillo, Sonora, Mexico Greg E. McKelvey...cyanide and toxic metals released from the Summitville mine on downstream water supplies and crops. The distribution...digital geologic information for Puerto Rico and Costa Rica; and studies of the regional framework and ore...undiscovered deposits of copper, zinc, lead, silver, and gold-A progress report P. B. Barton, R. A. Ayuso, D....Poster Session 3:20 Richard I. Grauch (USGS), Gold-bearing exhalativehydrothermal systems in the Venezuelan |  | | Journal (article/letter/editorial) | | built in uninhabited areas which are close to the mine and take advantage of the geography of the area...in 2016, in the town of Ujina, Pica, Tamarugal Province, Tarapacá Region, in which 4500 cubic meters of...was in 2003, in the town of Cerro Negro, Petorca Province, Valparaíso Region, which involved a failure of...fourth episodes took place in 1985, located in Veta de Agua No. 1 and Cerro Negro No. 4. The first event...spills occurred in 1965, in locations such as Bellavista, Cerro Negro No. 3, Cobre Nueva Dam, Cobre Vieja |  | | Book | | shipwrecks in Wales, Man, Cumbria and Scotland and gold in Ireland: bonanza or borrasca? 71 79 85 95 105...T'ung-lii-shan copper mine, China Wooden 'batea' from T'ung-lii-shan copper mine, and similar items after...France Tin ingots recovered from a wreck near Capo Bellavista, Sardinia 89 90 91 98 99 106 107 108 Part...oronze age palstave found at Godolphin Mine, Breage Working gold alluvials in California in the mid-19th...the tin placers Nugget of gold from the Carnon valley tin stream, and a gold necklace from the tin stream |  | | Report (issue) | | also transports for the Trinity Company), connect mine and smelter with aerial tramways. The Bully Hill...and Bellavista Railroad, a private branch from the Southern Pacific which terminates at Bellavista, from...understood, hopes soon to extend the Anderson and Bellavista line to its property. The heavy precipitation...mining regions of California, deposits of placer gold were the first to be worked. Shortly afterwards...recognized that at certain places copper occurs with the gold and silver. Probably the first place where the importance |  | | Book | | MINES TODAY THE MINES OF CENTRAL PERU 115 Cerro de Pasco Atacocha Huaron Morococha Casapalca South of...THE MINES OF THE SOUTHERN COAST 143 Copper Iron Gold 6 81 144 155 160 THE MINES OF NORTHERN PERU ...Effect on Balance of Payments of Spending by a Sample Mine 281 Operations of a Mixed Company 303 Xl PART...form the northern end of the former Cordillera de la Costa. This range, which to the south has sunk beneath...Blanca. From Canete southward 0 the Cordillera de la Costa reappears from the sea (the width of the continental |  | | Book | | Wiskerstoies ele ie rites . ji ne ye we ele ebece De! 2 ete ce - ‘ ...as a basis those published in Lapparent’s Traité de Géologie. From time to time new maps were added,...geosynclines, and a better understanding of the Panama-Costa Rica, Tehuantepec, and Balsas portals. The study of...Palmer also. My understanding of the geology of Costa Rica and Panama has been much broadened by Messrs...provinces Sierra Madre Occidental Province Anahuac Desert Plateau Province , . 114 118 118 118 118 118 |  | | Journal (article/letter/editorial) | | .......................................... Cerro de Pasco .............................................principallyfor gold and silver. At the beginningof this century,what is now the Cerro de PascoCorporat...PascoCorporationstartedoperationsin Cerro de Pascoand later expanded' to Morococha, Casapalca,San Cristobal and Yauricocha...complexenterprise,includingthe Goyllarisquizga coal mine, concentrating, smelting,and refiningfacilitiesand...part as a memberof the geologydepartmentof Cerro de PascoCorporation. This provided an excellent opportunity |  | | Journal (article/letter/editorial) | | UMR7330, Aix-Marseille Université, CNRS, IRD, Europôle de l’Arbois, BP80, 13545, Aix-en-Provence Cedex 4, France...Aroya (red curves) and at ∼200 m elevation at Bellavista (blue curves) (Trueman and d’Ozouville, 2010)...Bottom panel: Changes in precipitation δ D at Bellavista. Periods of strong, moderate and weak El Niño...13-year-long monthly δ D record of precipitation from Bellavista (Fig. 3). During strong El Niño events such as...2014.07.013. References Aaronson, S., Berner, T., Gold, K., Kushner, L., Patni, N.J., Repak, A., Rubin |  | | Journal (article/letter/editorial) | | affected subnational governments (i.e., district and province) [20–23]. The subnational governments directly...affected subnational governments (i.e., district and province) subnational governments directly communities...and three mining sites. The Azulcocha mine is in the Azulcocha mine is in the the Corihuarmi Cunas sub-basin...sub-basin Azulcocha mine is situated on glacial glaciofluvial bedrocks TheAimaraes Azulcocha mine is(Figure situated2)...landforms [63]. The mine currently covers 8600 ha at 4400 m landforms [63]. The mine currently covers 8600 |  | | Journal (issue) | | just recently and we have made ar rangements to mine all that may be in the deposit. At the present we...Photomicrograph of gypsum crystals from the Cornwall Iron Mine, Lebanon County, Pennsyl vania. The entire duster...1957. It also appears that the first discovery of gold in New England was made by John Winthrop in the...Winthrop went to this place to, “roast ores and smelt gold.” No details concerning the mineral collection of...extensive that from nearly every newly discovered mine in the country he was Spring, 1970 immediately |
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