 | | 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 (volume) | | Goyllarisquisga sandstone, Milpo____ __ _ 359 Paragenesis of vein minerals____________________________ 369 Map of...Rio Tingo and Rio Huallaga north of Cerro de Pasco. Roads from Cerro de Pasco extend along both the Tingo...outlines of a lead-zinc province extending from northern Peru south into Bolivia have long been known and...and the large copper-lead-zinc properties of the Cerro de Pasco Corp. in central Peru arc world famous...geologie setting and mineral potential of the province as a whole has been undertaken previously. Most |  | | Journal (article/letter/editorial) | | suggested. Two adularia samples from the Jarillas vein give statistically identical ages of 29.75 ± 0.12...12 and 29.68 ± 0.10 Ma. Adularia from Valdecañas vein shows a climbing age spectrum related to hydrothermal...located within the Mesa Central physiographic province, which is an elevated plateau made up of marine...western portions of the Mesa Central physiographic province (Fig. 1). The Guerrero terrane forms part of a...crustal extension of the Mesa Central physiographic province 0361-0128/98/000/000-00 $6.00 (Orozco-Esquivel |  | | Journal (issue) | | the recent discovery of a new and extremely rich vein which may well continue to produce for some years...was discovered there by a Mexican, JosĂ© Maria de la Peña, in 1907, who dug a 7-meter-deep prospect shaft...JosĂ© Maria de la Peña had suggested to David Bruce Smith (who had been in charge of the San Pedro de Corralitos...Riders. He was cited for bravery in the Battle of San Juan Hill. Following his graduation from Yale as...and the opening representing the outcrop of the vein is upward and to the left. Stan Esbenshade photo |  | | Book | | 2013). MALAWI Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series...excellent loose ilmenite crystal clusters from a calcite vein-dike digging site which they called the Bentley...ilmenite specimens have come from an unusual calcite vein-dike occurrence with an exposure very near, indeed...mine before 1964). The mineral assemblage of the vein-dike consists of ilmenite. magnetite, anatase, biotite...1stals were found in 2002 in a calcite-carbonatite vein intruding gneiss, together with very large Baveno-law-twinned |  | | Journal (issue) | | Germany. (4) Native silver, 3.5 cm, from PotosĂ, Bolivia. (5) Chrysoberyl, 2.3 cm, from Takovaya, Ural Mountains...twin, 2.7 cm, from the Unificada mine, Potosi, Bolivia. Top right: Benitoite, 2 cm, from the Benitoite...crystal in calcite, 2.2 cm, from the Polveros mine, La Pita, Boyacá Department, Colombia. Daniel Trinchillo...Diaspore twin, 1.3 cm, from near Pinarcik, MĹgla Province, Turkey. LászlĂł Kupi collection and photo. (2)...November–December, 2022 Figure 34. Elbaite, 2.8 cm, from San Piero in Campo, Elba, Sicily, Italy. This specimen |  | | Journal (volume) | | J. .K. B. Elder Darrow-Uambtic Slime-Table De la Mere. De Lamar S. .... .... (c.l.) Park. .....Output Krumat 77 ^221 (p,t.) Report. . 153 . La Grange .Mine, California Labour Trouble in Australia...Results from San Francisco Exhibition •28, 106, 190, San Francisco Letter San Martin Mine Report San Miguel...Monadnock Building. Telephone: 8938 London Wall. : SAN FRANCISCO: 420 Market Street. Agents for the Colonies...School of Mines Special Correspondence Lima Melbourne San Francisco J ohannesburg Toronto New York 9 11 11 |  | | Journal (issue) | | mirror-faced, to 1.6 cm, associated with crystals of chalcopyrite, calcite and quartz. LATIN AMERICA controlled...cm (2014: 251). Cerro Proano, Fresnillo, Zacatecas. Silver mining in and around Cerro Proano (Proano Hill)...exploited mainly after the mid-1990s, is the San Guillenno vein. Since the mid-1980s, Fresnillo has become...in the mid-decade (1995: 496). In 1996 the San Guillermo vein produced highly lustrous, complex crystals...aggregates of elongated crystals (2002: 263). The San Carlos vein yields acanthite in twisted, entangled bar-shaped |  | | Journal (issue) | | Llallagua, the San Jose mine in Oruro, Tasna, Morococala, Chicote Grande, and Cerro Rico de Potos ....of minerals from Mt. Antero, the ore mines of the San Juan Mts. and the Leadville area, amazonite and associated...out. The collecting sites lie very near a quartz vein from whose pockets Hans and Ernst Rufibach dug many...superlative gwindel from another Italian Alpine province: in 1967 a beautiful, transparent, very pale smoky...deposits combine features of hydrothermal quartz vein and Alpine-type cleft mineralization, and, though |  | | Journal (volume) | | Professor 321 Freiberg School of Mines 172 Frontino A Bolivia Report 464 Fuller, J. P *278 Concrete Foundations...Dwight (p.t.) Report G. A. J. Cole Report Bolivia (c.l.) Rubischum, T Rumbold, W. R Russia, Platinum...Report John Del Rey Report San Francisco Del Oro 'SI, •110, *187, 263, •343, *419 San Francisco Letter Mungo...Codes; AfcNct//, both Oligoclase. Branch Offices SAN FRANCISCO: 420 MARKET STREET. CHICAGO: 734 MONADNOCK...Concentrate Special Correspondence Tokyo Camborne 27 29 San Francisco Melbourne 31 33 35 36 39 Toronto Johannesburg |  | | Journal (volume) | | (r.M (p.t.) Tasmania Central Zinc Central Zinc Cerro de Pasco Chafters 240 'SB "141 304 H. E. West...Hill and Sullivan (c.i.) Bant.ies Bolivia, Tin Dressing in Bolivia, Tin Mines at Potosi Visiting the...Process for Electrolytic Zinc (p.l.) Frontino & Bolivia Oaika Gold Report Gallard, J. L European Mining...Output increas-ed T Hancock, R. Tin Dressing in Bolivia Heidelberg Goldfields He^lewood's Method of Smelting...Kimberley, Mining Methods Kyshtim Report, The 186 La Lucha Cyanide Plant (p.t.) Report Lahat Mines |  | | Journal (volume) | | l-) Reporting, Loose Review of Mining 305 San Francisco Mint {l>t.) liefoniia Mine Heid's Electric...Sampling, Mine 326 San Francisco del Ore 109, 191, 348 425 San Francisco Letter 316 Report San Miguel Copper...the 15th day of each month. Telegraphic Address SAN FRANCISCO: 657 OUgoclase. : HOWARD Codes: McNeill...gold. A bit of good news comes shaft has cut the vein at 340 feet, disclosing 6 feet of ore assaying 13...explain the writer in is is well within his own province. It due, he says, to the fact that " the manage- |  | | Journal (volume) | | Telephone: 8938 London Wall. Branch Offices SAN FRANCISCO: MARKET STREET. 420 CHICAGO: MONADNOCK...ohannesburg Variations Banded Ironstones 31 San Francisco Journeys 63 Major's Classifier Toronto...for the Camp Bird company. This was an error. The La Noria. it is true, was recently examined for the...The the Grenfell group had taken an option on the La is \inonn the mining faulted orebody, has depressed...from the Oroville Dredging company's office at San Francisco announces started in the Kolar district |
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