 | | Journal (article/letter/editorial) | | VolcanicRocksof the La Libertad Gold Mining District and Its Surroundings,Nicaragua MAURICIO DARCE* Departmentof...urroundinga swarmof auriferousquartzveinsat La Libertad,Nicaragua.The outermostzone (I) is affectedby...wairakite subfacies). A steepthermal gradientat La Libertad, exceeding150øC/km, revealsthat the mining districtis...40 depositsin Nicaragua(Fig. 1), but there are only two km west-northwest of La Libertad contains similar...typicaldis- unit elsewherein the La Libertad region and its vitrict, La Libertad andits surroundings. The geologic |  | | Journal (article/letter/editorial) | | North Peruvian Department La Libertad hosts a number of important gold mining districts like La Lima, E1 Tingo...fracturing they served as sites for deposition of gold, electrum, galena, sphalerite, and chalcopyrite. It is concluded...with basement series. The important mining districts La Lima, E1 Tingo, Pataz, Parcoy, and Buldibuyo show...occasionally electrum, have partly replaced pyrite. Both, fine gold with 4 to 14 wt % Ag and electrum (24 to...the bar corresponds to 0.1 mm. A inclusions of electrum in pyrite oblique arsenopyrite with limonitic |  | | Journal (article/letter/editorial) | | Cretaceous. They are represented in southern Nicaragua and in Costa Rica by graywacke, arkose, silicic...dominant Eocene sediments in Panama, Costa Rica and Nicaragua (Brito formation). The thick series (up to 4,000...dacites, and their tufts in the extreme south of Nicaragua, and augite-hypersthene andesite and the olivine...central Cordillera in Panama and Costa Rica. In Nicaragua and E1 Salvador ignimbrites cover much larger...central and western Panama and several others in Nicaragua and E1 Salvador have been analyzed in order to |  | | Journal (article/letter/editorial) | | Buldibuyo, Parcoy, Piaz, Suyubamba,Pataz, E1 Tingo, and La Lima (Lochmann,1986; Schreiber,1989a). Former geologicwork...considerableextent of the vein system.In the northern districtsof La Lima andPapagayo(Figs.8 and9) parallel veins strike...em- placed.This is especiallywell recognizedin the La Lima mine where it is observed that the orebodies...smallidiomorphiccrystals, took coolingstageof the pluton.At La Lima the mainvein placeat the endof stageII. Quartzof...100 ppm Au havebeenfoundin Parcoy,Pataz,El Tingo,La Lima, ore samplesshowbimodaldistributionof Au/Ag |  | | Journal (article/letter/editorial) | | C O NNOI S S EUR' SC H OICE ROBERT B. COOK Department of Geology and Geography Auburn University Auburn...Minerals, is a professor of geology and head of the Department of Geology and Geography at Auburn University...district, Hinsdale County; and with acanthite, electrum, tetrahedrite, and other sulfides in the North...Conception del Oro, Zacatecas. Other localities include La Barranca, Onavas, and the Naguila mine, Sonora; the...barrel-shaped crystals to 3 cm from the Quiruvilca mine, La Libertad. Other Peruvian localities include mines in the |  | Haeberlin, Y., Moritz, R., Fontbote, L., Cosca, M. (2004) Carboniferous Orogenic Gold Deposits at Pataz, Eastern AndeanCordillera, Peru: Geological and Structural Framework, Paragenesis, Alteration,and 40Ar/39Ar Geochronology. Economic Geology, 99 (1) 73-112 doi:10.2113/gsecongeo.99.1.73 | Journal (article/letter/editorial) | | ROBERT MORITZ, LLUÍS FONTBOTÉ, Section des Sciences de la Terre, Université de Genève, Rue des Maraîchers 13...galena, sphalerite, chalcopyrite, Sb sulfosalts, electrum, and native gold, followed by barren calcite-dolomite-quartz...of the province above Huaylillas (Fig. 1), is the La Estrella Fe ± Au skarn, with gold grades of as much... 7B). These shear zone-hosted veins (La Lima 1 and 2 in the La Lima deposit; Karola in the Papagayo deposit;...along segmented aplite dikes (e.g., the La Lima 2 vein in the La Lima deposit) consist of massive, ribbon |  | | Report (volume) | | International Cooperation Administration, U. S. Department of State UNITED STATES GOVERNMENT PRINTING OFFICE...OFFICE, WASHINGTON a 1957 UNITED STATES DEPARTMENT OF THE INTERIOR FRED A. SEATON, Secretary GEOLOGICAL...Francisco mine____________________________________ La Uni6n mine ________________ --------------------...____________________ Nicaragua-----------------------------------------------La Cadena prospect-----...pa district_____________________________________ La Gringa mine_______________________________ Corona |  | 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 |  | | Journal (issue) | | Ricardo Cortés 06 Los desafíos mineros de Perú La producción metálica del país andino sigue creciendo...hierro La situación de este metal y del acero está pasando por su momento más álgido, y la posibilidad...Alfredo Eloy Con 18 años de producción constante, la faena insignia del país prepara su última etapa....un balance satisfactorio con programa apuntados a la sustentabilidad. Diseño Gloria Azócar Impresión...LATINOMINERIA® ISSN 0717–0508 es una publicación para la industria minera en América Latina, creada en 1991 |  | | Journal (article/letter/editorial) | | in Chile and Peru: An Civil Works and Geology Department, Catholic University of Temuco, Temuco 4780000...Mantos Blancos Chile 12,000 95/(Cu) 18 (UF) La Coipa Chile 20,000 85/(Au) 18 (TT) El Peñon...and Peru. Minerals 2022, 12, 889 18 of 64 7.1. La Coipa Filtered TSF–Valley Topography Configuration–Atacama...Configuration–Atacama Desert–Chile Minerals 2022, 12, x La Coipa gold and silver mine treated 20,000 tonnes of... Figure 19. La Coipa Mobile Stacking Conveyor (MSC) at Rako TSF [24,58]. Figure 19. La Coipa Mobile |  | | Journal (article/letter/editorial) | | e alteration, which underlies the prominent Loma la Cuaba ridge (Fig. 2). The lithocap developed within...species, dominantly calaverite, with subordinate electrum (Kesler et al., 1981; Muntean et al., 1990; Ruiz...Kesler et al. (2005b). Drilling near Loma la Mina, south of Loma la Cuaba, intersected 70 (Rosario Dominicana...inspection of core from the recent drill holes near Loma la Mina (Fig. 2) strongly suggests that the carbonaceous...the lower southern and western slopes of the Loma la Cuaba ridge (Fig. 2), which is believed to be the |  | | Report (issue) | | Bonavia, an archaeologist at the Academia Peruana de la Historia in Lima, recognized and was intrigued with...sub-glacial deposits in the mountainous region near La Rinconada (Puno) continue to provide a part of Perú’s...Oil and Minerals, Ltd., INDUPERU, and Empresa de la Sal from 1965 to 1972. In 1952, Petersen began teaching...Consejo de Administración Económica; Presidente de la Comisión Asesora del Rectorado; jefe del Departamento...Departamento de Geología; and Director General de la División de Asuntos Académicos. In 1964, he earned a degree |  | | Report (issue) | | oportunidades para el desarrollo de recursos DEPARTMENT OF THE INTERIOR DONALD PAUL HODEL, Secretary...Assessment for Central America, by Wendell A. Duffield ll3 La Evaluacion de Recursos Geotermicos en Centroamerica...Assessment in the Tropics, by Donald B. Hoover 196 La Aplicacion de los Metodos Geofisicos Electricos en...oportunidades para el desarrollo de recursos DEPARTMENT OF THE INTERIOR DONALD PAUL HODEL, Secretary...Assessment for Central America, by Wendell A. Duffield 113 La Evaluaci6n de Recursos Geotermicos en Centroamerica |  | Fuerstenau, Maruice C., Palmer, Bruce R. - Eds. (1983) Gold, Silver, Uranium, and Coal - Geology, Mining, Extraction and the Environment. The American Institute of Mining, Metallurgical and Petroleum Engineers, Inc., New York. | Book | | Maurice C. Fuerstenau Professor and Chairman Department of Metallurgical Engineering South Dakota School...Andrew ON GOLD-BEARING CONGLOMERATES Button Department of Geology and Geological Engineering South Dakota...MINING IN MEXICO which are mainly argentite and electrum. minor polybasite, minor proustite, native base...are typically these. The are the Tayoltita, La Libertad, Minas de San Luis, S. A. de C. by Mr. Phillip...of the Guadalupe de Los Reyes Coopertiva; and the La Rastra-Plomosas copper, lead, zinc, silver, gold |  | | Book | | Alfonso XIII, 50. 28016 Madrid No está permitida la reproducción total o parcial del texto, ni de las...descubre América La fiebre del oro Un valioso metal Adornarse con oro o el arte y técnica de la orfebrería...mundo el oro es término de comparación para la belleza y la bondad, o al menos eso dicen los romances,...los que son de oro de ley el joven de alma noble o la novia fiel, los sueños felices y el propio tiempo...tal estado no fue la tumba del amor, sobre todo si ese amor comenzó siguiendo la dorada estela de los |  | | Journal (issue) | | site at Keyworth. Saturday 8 April: The Geology Department, University of Leicester. A programme of talks...society in the UK to be at odds with the government department responsible for defining or influencing all policy... In collaboration with the Heritage Services Department of Leicestershire County .I Council, the Central...retrieved of the collection was returned to the department and housed in drawer units beneath the display...found the largest known specimen of Czechgold - an electrum sheet measuring about 7.5cm x 4cm, found at Krepice |  | | Journal (issue) | | ~ 1 Donor . ~ 1 the mining and scientific department. He established the Central City Registeroffice...Stanford from 1920 to 1921. He ultimately joined tbe Department of Biocbernistry at the University of Colorado...appointed Honorary Curator of Mineralogy for the Department of Geology at the Denver Museum ofNatural History...had tumed down an offer to chair the Mineralogy Department at the University of Nebraska), Cahn nevertheless...personable. He was bom in Illinois, the son of a department store Vice President. Gunnell, known to his friends |  | | Report (volume) | | West 920 Riverside Ave. WASHINGTON, D.C.--U.S. Department of the Interior Bldg., Rm. 2650, 1849 C St.,... U.S. GEOLOGICAL SURVEY BULLETIN 1693 U.S. DEPARTMENT OF THE INTERIOR MANUEL LUJAN, JR., Secretary...useful sources for multiple deposit types (Canada Department of Energy, Mines and Resources, 1980; DeYoung...Kundikan-Kelusktepe Kurudere Kuyuluk Isletmesi Kuzkavak La Caridid Lagonoy La Victoria Lolita Marais Kiki Meululter Middle...anomalies, Th, U, Ti, Zn, Nb, Y, Ce, Mo, Cu, V, P, Mn, S, La, Sm, Pb, Zr, Ba, Eu. High values of Be, B, Li, Sn |  | Hodges, C.A., Cox, D.P., Singer, D.A., Case, J.E., Berger, B.R., Albers, J.P. (1984) U.S. Geological Survey-INGEOMINAS mineral resource assessment of Colombia. Open-File Report Vol. 1984 (84-345) US Geological Survey doi:10.3133/ofr84345 | Report (issue) | | UNITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL SURVEY U.S. GEOLOGICAL SURVEY-INGEOMINAS MINERAL...others, 1963). Copper deposits described from the La Quinta Formation in adjacent parts of the Perija...listed above and comprise the Giron, Guatapuri and La Quinta Formations in the Cordillera Oriental, Santa...deposits being mined at Cerro Matoso, in the department of Cordoba, contain 2.6 percent Ni, 0.06 percent...Buenaventura, J. A. 1975, Ocurrencias minerales en la region central del Departamento del Tolima, Part |  | | Book | | Berkshire RG11 2PY, England Van Nostrand Reinhold 480 La Trobe Street Melbourne, Victoria 3000, Australia...Especies Minerales de Jalisco; D. Santiago Ramirez’s La Riqueza Minera de Mexico, and his translation of...pa Biren vem, nM cad tomas ies ery £5 ao hebe, La iOd aay Am gle Pha yy i;sian, WRT a ss] ae " re...(Fig. 1) produced specimens from such places as the La Fé Mine in the state of Chiapas and Santa Rosalia...took refuge in a remote side canyon of the Sierra de la Santa Eulalia where they accidentally rediscovered | | | Book | | Berkshire RG 11 2PY, England Yan Nostrand Reinhold 480 La Trobe Street Melbourne, Victoria 3000, Australia...£species Minerales de Jalisco; D. Santiago Ramirez's La Riqueza Minera de Mexico, and his translation of...(Fig. 1) produced specimens from such places as the La Fe Mine in the state of Chiapas and Santa Rosalia...took refuge in a remote side canyon of the Sierra de la Santa Eulalia where they accidentally rediscovered...considered to be the bonanza days of the Real de la Santa Eulalia. A small n1ining cc:1mp, located below |  | | Journal (issue) | | day meeting to be held in the Lafayette Geology Department, Van Wickle Hall. Don Schmerling, Region 3 Newsletter...speaker in this session, Dr. Alice Weeks, Geology Department chairman at Temple University, discussed the...further information write Royal Ontario Museum Department of Mineralogy 100 Queen’s Park, Toronto, Canada...R C A S IT E D O LL A R S — 3 diam ., le n tic u la r c o n c re tio n s w ith radial in te rn a l s...itio n , Revised & Enlarged N a tio n a lly a c c la im e d G u id e to th e M in e r a lo g y o f h |  | | Report (issue) | | UNITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL SURVEY PRELIMINARY DEPOSIT-TYPE MAP OF NORTHWESTERN...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 |  | | Report (issue) | | while the natural gold-silver alloy know11 as '' electrum '' contains 20 pe.r cent. or more of the less...the cJ anide mills of the Rosario mines, in the department of Tegucigalpa, the ores t1·eated being principally...carrying a.1so a small pro,portion o.f gold. During the la,s t few months the a-p plica,t ion of the process...a few • 1 1 - 1 • Home Office and Mines Department Rep<>rts, Mines and Quarries, Pt. 3 ( -A nnual)...are given in the Annual Reports of the Mining Department and of the operating Companies in long tons (2 |  | | Book | | Junction Editors Fabio Cediel Consulting Geologist Department of Geology University EAFIT Medellín, Colombia...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 |
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