 | | Journal (article/letter/editorial) | | 799-808 NOTES ON THE MINERAL RESOURCES OF ECUADOR W. C. STOLL INTRODUCTION The geologyof Ecuadoris...variouspetroleumcompanies that have worked in Ecuador. The metalliferous ore resources have been ...other data obtainedduring and after a visit to Ecuador in 1960 for the Organization of American states...goldandpetroleum, mininghasneverbeenof muchimportance in Ecuador. Gold was worked by the aboriginesbeforethe arrival...Colonialtimestherewas the usualSpanishsearchfor gold and silver. Preciousmetal depositsturned out to |  | Chiaradia, M., Tripodi, D., Fontbote, L., Reza, B. (2008) Geologic Setting, Mineralogy, and Geochemistry of the Early Tertiary Au-Rich Volcanic-Hosted Massive Sulfide Deposit of La Plata, Western Cordillera, Ecuador. Economic Geology, 103 (1) 161-183 doi:10.2113/gsecongeo.103.1.161 | Journal (article/letter/editorial) | | Volcanic-Hosted Massive Sulfide Deposit of La Plata, Western Cordillera, Ecuador M. CHIARADIA,† D. TRIPODI, L. FONTBOTÉ...MINERA S.A., Isabel La Católica No. 882 y Cordero, Quito, Ecuador Abstract La Plata is, economically,...sulfide (VHMS) deposits of the Western Cordillera of Ecuador, with preliminary estimated reserves of 840,000...the Chimbo-Toachi shear zone in the late Eocene. La Plata displays a typical VHMS vertical zonation, from...zone situated a few kilometers to the east of La Plata. The main ore minerals are pyrite, chalcopyrite |  | | Journal (article/letter/editorial) | | 46:509–539 DOI 10.1007/s00126-010-0300-0 ARTICLE The gold content of volcanogenic massive sulfide deposits...contain variable amounts of gold, both in terms of average grade and total gold content, with some VMS deposits...hosting world-class gold mines with more than 100 t Au. Previous studies have identified gold-rich VMS as having...having an average gold grade, expressed in g/t, exceeding the total abundance of base metals, expressed...This paper presents a more extensive analysis of gold grades and tonnages of 513 VMS deposits worldwide |  | | Journal (issue) | | 35 FIGURE 1 Key to the geological maps of Ecuador 2 Bibliographic rejerenre C.R. 198 1. An annotated... C. R. BRISTOW Inforn1ation on the geology of Ecuador is varied a11d scattered throughout dozens ofjournals...ofEcLtador (17, 198,452, 715 ). Several publications on Ecuador have included extensive lists of references (131...this i11formation , particularly that of coastal Ecuador, although 110 longer confidential still rests in...the coastal, a ndea11 a nd oriente regions of Ecuador. Unfortt1nately, with one exceptior1 (269) th e |  | | Report (issue) | | BIBLIOGRAPHT OP GEOLOGY AMD GEOGRAPHY OP ECUADOR Roger B. Col ton U. S. Geological Surrey FOREWORD...maps that concern the geology and geography of Ecuador, regardless of their antiquity, quality, or obscurity*... 3-1267 Bibliography of Geology and Geography of Ecuador by Roger B. CoIton Abich, H., l8Ul, Ueber die Natur...agrfcolas de la provincia i / de Tungurahua, primera contribucion al conoclmiento agrologico i ! de la provincia:...provincia: Quito Editorial, Ecuador, 21 p. i Agassiz, A., 1892, General sketch on the expedition of the 10- |  | Vallejo, Cristian, Soria, Francisco, Tornos, Fernando, Naranjo, German, Rosero, Bayardo, Salazar, Fredy, Cochrane, Ryan (2016) Geology of El Domo deposit in central Ecuador: a VMS formed on top of an accreted margin. Mineralium Deposita, 51 (3) 389-409 doi:10.1007/s00126-015-0616-x | Journal (article/letter/editorial) | | ARTICLE Geology of El Domo deposit in central Ecuador: a VMS formed on top of an accreted margin Cristian...arc rocks of the Macuchi Formation in central Ecuador. The mineralization includes massive and semi-massive...minerals are the major carriers of silver whereas gold typically occurs as minute-free grains or in solid...Av. 10 de Agosto N37-232 y Villalengua, Quito, Ecuador 2 Geostrat SA, Av. República de El Salvador E9-10... de Los Shyris Edificio ONIX, Piso 10, Quito, Ecuador 3 Centro de Astrobiologia (CSIC-INTA), Torrejon |  | | Journal (issue) | | oneself to produce Los trabajadores que necesitará la minería chilena The workers chilean mining will need...Services está orgulloso de ayudarte en extraerlas de la Tierra. Avanzando constantemente envolviendo y definiendo...definiendo el futuro de los explosivos industriales para la minería. Tel: +56 2 982 1300 email: info@aelms.com...Suyai project, reinventing oneself to produce Yamana Gold has reformulated the whole project which eleven...known as El Desquite. Today it is called Suyai, the mine will be underground, and requires an investment |  | | Book | | Montreal New Delhi Singapore Sydney Panama Toronto 6 La YU : Copyright O 1973 by McGraw-Hill, Inc. All...Carlos, 1898— Mining in the New World. Translation of La minería en el Nuevo Mundo. “Sponsored by the Spanish...Introduction XV Thesis of This Study 1 The Quest for Gold 6 Il. Mining: Motive Force of the Discovery ...clearly it was the liquid wealth, mainly silver and gold, provided by the mines particularly in Mexico, Peru...improved roads for transportation, while the silver and gold of the mines and streams stimulated trade, crafts |  | | Journal (issue) | | necesita hacer para fomentar la exploración minera en chile? TEMAS Desafíos para la industria Restricción de...de capital para la exploración y su impacto en la industria minera. Visión global. Sustentabilidad en...OFICIAL NACIONAL MEDIO OFICIAL INTERNACIONAL L A LA EDITORIAL TÉCNICA Y DE NEGOCIOS LÍDER DE CHILE R...The mine will produce an average of 160,000 tons a year of copper in concentrates as well as gold and...The key role of engineering companies Estimates of mine investments through 2020 suggest a busy time for |  | | Journal (issue) | | operations. 16 Eva Arias and the International Gold & Sliver Symposium: "The goal Is to encourage Investments...America" 37 Thrustingcopper Newstrike aims to the gold in Mexico 23 Metal prices will rise in the medium...the expansion of Freeport McMoRan's Cerro Verde mine, are expected to double Peruvian copper production...almost US$170 billion are forecast to be invested in mine projects in the two countries, mostly in copper...For example, in Brazil, Valewill expand its Salobo mine to lift production from 100,000 tons annually to |  | | Book | | Qrande region, northern Peru. It was assembled from a gold mask, biconical forehead ornament, cylindrical crown...crown, parabolic head ornament, and 90 gold feathers excavated from this tomb. Together they measure...karat gold sheets. The headdress as a whole amply displays unparalleled mastery of Sican gold sheetmetal...Anthropology Louisiana State University Baton Rouge, LA 70893-6010 The Geoscience and Man series of symposia...Anthropology, Louisi¬ ana State University, Baton Rouge, LA 70893-6010. All rights reserved. Library of Congress |  | | Journal (issue) | | por más de US$5.000 millones Convenio 169 de la OIT La voz de las comunidades indígenas summary...decade, while output of gold will triple. Construction of the Cobre Panama mine to begin this year The...000 tons a year of copper as well as molybdenum, gold and silver. 06 30 Convention 169, the voice of...production to overtake gold 45 EDITEC Group expands to other sectors 50 Extorre Gold Mines: Cerro Moro...comparison, the number of projects actively exploring for gold, the price of which has been hitting record levels |  | | Journal (article/letter/editorial) | | reduced to one of minor proportions; Colombia and Ecuador have arrived at an amicable settlement of their...without prospect of early settlement, only the Peru-Ecuador and the Bolivia-Paraguay disputes. Many of the...have reference to areas in dispute thus: x, Peru-Ecuador; 2, Peru-Colombia; 3, Colombia-Brazil; 4, Chile-Peru;...easternmost limit of the boundary between Colombia and Ecuador, is an area divided, by the Tabatinga-Rio Apaporis...the Brazil-Ecuador boundary treaty of May 6, I904, Ecuador agreed that in case the Peru-Ecuador boundary |  | | Report (volume) | | famous mining districts, such as those at Rico and La Plata, but there is no significant mining being done...136,500 metric tons of copper, 17 metric tons of gold, 223,000 metric tons of zinc, 1,425 metric tons.............................................. . La Plata District (May Day, Oro Fino) ........................ Deposit Type H: Epithermal Quartz-Alunite Gold Depoists in the Tertiary Volcanic Terrane............ .. ........ ........ Deposit Type K: Placer Gold ............ .. .... .................. ....... |  | | Journal (article/letter/editorial) | | journal homepage: www.elsevier.com/locate/oregeorev La Josefina Au–Ag 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...Au–Ag veins Patagonia Argentina a b s t r a c t The La Josefina Jurassic epithermal Au–Ag deposit located...mineralization fluids. Such distinct features place the La Josefina deposits in a hot spring environment with |  | Páez, G.N., Ruiz, R., Guido, D.M., Ríos, F.J., Subias, I., Recio, C., Schalamuk, I.B. (2016) High-grade ore shoots at the Martha epithermal vein system, Deseado Massif, Argentina: The interplay of tectonic, hydrothermal and supergene processes in ore genesis. Ore Geology Reviews, 72. 546-561 doi:10.1016/j.oregeorev.2015.07.026 | Journal (article/letter/editorial) | | Universidad Nacional de La Plata Calle 64 esquina Calle 120, (1900) La Plata, Provincia de Buenos Aires...(31270-901) Belo Horizonte, Brazil e Depto. de Ciencias de la Tierra, Universidad de Zaragoza, Edificio de Geológicas...Isótopos Estables, Facultad de Ciencias, Plaza de la Merced s/n, (E-37008) Salamanca, Spain b a r t i...of the Martha mine epithermal deposit (Deseado Massif, Patagonia, Argentina). The mine was active from...highest-grade portions of the ore-shoots found at the mine. Finally, a post-mineral supergene phase defined |  | | Journal (article/letter/editorial) | | Ludington Cripple Creek and other alkaline-related gold deposits in the southern Rocky Mountains, USA: in¯uence...vein, breccia, disseminated, skarn, and porphyry gold deposits form a belt in the southern Rocky Mountains...(CMB). Other alkaline igneous rocks and associated gold deposits formed later, during the transition from...important factor in the formation of all of the gold deposits was the near-surface emplacement of relatively...LREE-enriched rocks of the Colorado (Yavapai) province have 208Pb/204Pb ratios that suggest these magmas |  | | Journal (issue) | | 2012 www.latinomineria.com PRIMEROS CONTRATOS Ecuador avanza a proyectos de gran escala ESCENARIO ENERGÉTICO...Habitamos en un planeta especial. Uno que sustenta la vida. Un planeta que es abundante en riquezas ocultas...controlada que nuestras minas necesitan para extraer la recompensa de nuestro planeta. El mundo evoluciona...Nuestra herencia de 100 años en la industria minera no habría sido posible sin la continua innovación nacida...temperaturas de los pozos activos antes de realizar la tronadura, para que nuestros clientes puedan determinar |  | | Report (issue) | | Hills Chalk Mountain Westgate IXL (Cox Canyon) La Plata (Mountain Wells) Bell Mountain Talapoosa SUMMARY...the southern Stillwater Range primarily on the La Plata Canyon, Table Mountain, IXL Canyon, and Cox Canyon...sediment-hosted gold (Bagby and Berger, 1985; Tooker, 1985) and Comstock-type volcanic-hosted gold (Mosier,...interest in modelling pediment-hosted hot spring gold as well, but there are few data at present and lack...be particularly valuable in evaluating epithermal gold potential in the Reno quadrangle. Rowan and Ehman |  | Páez, G.N., Ruiz, R., Guido, D.M., Jovic, S.M., Schalamuk, I.B. (2010) The effects of K-metasomatism in the Bahía Laura Volcanic Complex, Deseado Massif, Argentina: Petrologic and metallogenic consequences. Chemical Geology, 273 (3) 300-313 doi:10.1016/j.chemgeo.2010.03.007 | Journal (article/letter/editorial) | | Universidad Nacional de La Plata, Calle 64 esquina Calle 120, (1900) La Plata, Provincia de Buenos Aires...deposits. Consequently the region is an important gold and silver producer with four operational mines...Minerales (INREMI) Calle 64 esquina Calle 120, (1900) La Plata, Provincia de Buenos Aires, Argentina. Tel./fax:... 2008). Consequently the region is an important gold and silver producer with four operational mines...distribution of Jurassic volcanics and locations of mine sites and areas of metallogenic interest. analyzing |  | | Journal (article/letter/editorial) | | University] at 23:14 19 October 2014 Vindicator Mine, Cripple Creek, Teller County, Colorado I n terms...specimens of essentially massive gold tellurides associated with coarse native gold. Cripple Creek, on the other...that resemble cuneiform characters. Sylvanite is gold-silver telluride with the composition (Au,Ag)2Te4...published analyses commonly show minor variations in the gold and silver content, and the presence of such other...Sylvanite alters to loosely coherent pseudomorphs of gold. Sylvanite is almost unknown in the eastern United |  | | Journal (issue) | | to be a major power Mineros S.A., de la minería aluvial a la subterránea Mineros goes underground Fiebre...el nuevo “oro blanco” Fever for the new “ white gold” 196 3 Añ o s en P at en ta ia do en Franc...Franc argentina Chile Muros de contención para la minería Freyssinet - Tierra Armada S.A. Uruguay...ha liderado importantes proyectos en el ámbito de la construcción, minería y energía, contribuyendo así...continue growing. Lithium, Fever for the new “white gold” Salt pans in Salta, Jujuy and Catamarca are being |  | | Report (issue) | | Geology and Ore Deposits of the La Plata District Colorado By EDWIN B. ECKEL with sections by J. S. WILLIAMS...Lithology along the Animas River. _ _ _ Lithology in La Plata district _ _______ Permian system____________________________...along the Animas River._____ Localities in the La Plata quadrangle __ Collections from the Rico formation_____...its tributaries..__________ Localities in the La Plata quadrangle __ Interpretation of the Rico collections...San Juan region as a whole __________________ La Plata district _ . ___ _ ____-____ _ 22 23 23 24 24 |  | | Journal (article/letter/editorial) | | ORE MINERALS OF THE LA PLATA COLORADO, COMPARED WITH TELLURIDE F. W. MOUNTAINS, OTHER DISTRICTS3...about one hundredpolishedsections of ores from the La Plata 1%iountains in southwestern Col- orado has revealedthat...essentially identical with those exhibited by the La Plata ores. INTRODUCTION. T•E presentinvestigation...Survey,for the opportunity to investigate the La Plata ores,and to Dr. M. N. Short, of the University...THE LA PLATA COLOR.4DO. 325 DISTRICT. 'Duringthe yearsI935-I937, the geology of the La Plata, Coloradomining |  | Santos, João O.S., Chernicoff, Carlos J., Zappettini, Eduardo O., McNaughton, Neal J., Hartmann, Léo A. (2019) Large geographic and temporal extensions of the Río de la Plata Craton, South America, and its metacratonic eastern margin. International Geology Review, 61 (1) 56-85 doi:10.1080/00206814.2017.1405747 | Journal (article/letter/editorial) | | geographic and temporal extensions of the Río de la Plata Craton, South America, and its metacratonic eastern...geographic and temporal extensions of the Río de la Plata Craton, South America, and its metacratonic eastern...geographic and temporal extensions of the Río de la Plata Craton, South America, and its metacratonic eastern...reconsideration of the distribution and age of the Río de la Plata Craton within South America. The reinterpretation...Paranapanema) are interpreted as part of the same Río de la Plata Craton. The craton is organized into six provinces |
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