 | Gibson, Peter Craig, Noble, Donald C., Benavides, Raúl G., Mayta, Oscar T. (1993) Discovery, Development, and Production of a Blind Ag-Au Bonanza in the Calera Vein, Orcopampa District, Peru. International Geology Review, 35 (9) 780-796 doi:10.1080/00206819309465557 | Journal (article/letter/editorial) | | Blind Ag-Au Bonanza in the Calera Vein, Orcopampa District, Peru a a b Peter Craig Gibson , Donald C....Mackay School of Mines , University of Nevada , Reno, Nevada, 89557 b Companía de Minas Buenaventura...Blind Ag-Au Bonanza in the Calera Vein, Orcopampa District, Peru, International Geology Review, 35:9, 780-796...Blind Ag-Au Bonanza in the Calera Vein, Orcopampa District, Peru 1 P E T E R C R A I G G I B S O N , D O...NOBLE Mackay School of Mines, University of Nevada, Reno, Nevada 89557 R A U L B E N A V I D E S G., A N |  | | Journal (article/letter/editorial) | | jamesonite, miargyrite, bournonite, chalcopyrite, and electrum. Ag-rich tetrahedritess forms about 10 volume...sphalerite, arsenopyrite, galena, chalcopyrite, electrum and sulfosalts. The second stage was further divided...deposition and growth of sphalerite and associated electrum, pyrite, and arsenopyrite. The second sub-stage...from Fe content in sphalerite and Ag content in electrum ranged from 300–420°C, reasonably consistent with...bournonite, boulangerite, and jamesonite; and electrum (Gallego et al., 2005; Gallego Hernández & Akasaka |  | Chauvet, Alain, Bailly, Laurent, André, Anne-Sylvie, Monié, Patrick, Cassard, Daniel, Tajada, Fernando Llosa, Vargas, Juan Rosas, Tuduri, Johann (2006) Internal vein texture and vein evolution of the epithermal Shila-Paula district, southern Peru. Mineralium Deposita, 41 (4) 387-410 doi:10.1007/s00126-006-0068-4 | Journal (article/letter/editorial) | | and vein evolution of the epithermal Shila-Paula district, southern Peru Received: 28 July 2005 / Accepted:...2006 Abstract The epithermal Shila-Paula Au–Ag district is characterized by numerous veins hosted in Tertiary...adularia–pyrite–galena–sphalerite–chalcopyrite–electrum– Editorial handling: B. Lehmann A. Chauvet . P...tennantite–tetrahedrite–polybasite–pearceite– electrum assemblage. The ore in the main veins is systematically...metallogenic provinces of southern Peru The Shila-Paula district is one of the many areas of low-sulfidation epithermal |  | | Report (issue) | | SURVEY CIRCULAR 1062 .r • San jose tin~silver mine at Oruro, Bolivia, where high-grade ores are hosted...on Mineral and Energy Resources, held in Reno, Nevada, February 11-14, 1991 U.S. GEOLOGICAL SURVEY CIRCULAR...-Soviet research on mineral deposits in the Noril'sk district is underway. Seventh Annual V.E. McKelvey Forum...mineral resources. Once again, we have selected Reno, Nevada, as the site for the Forum, as the city represents...represents an important center for the United States mining industry. Such an environment should enhance the |  | | Report (issue) | | Norte Cty, CA Santa Helena, Antioquia, Colombia Goto Mine, Luzan, P.I. References Wells, F. G. et al 1946...upward from Mo+Cu to Cu, Au to Zn, Buckingham, Nevada USSR deposits References Blake and others, 1979...References Atkinson and Einaudi, 1978 Petersen, 1965 Alberto Nunez, oral commun., 1982 13 Copper skarn 2...Australia El Sapo, Colombia References Ashley, 1980 Alberto Nunez, oral commun., 1982 14 2.8 DEPOSIT TYPE...(Cyprus), York Harbor, (Canada) Turner-Albright, (USA) References 3.1 (continued) Petersen and Zantop |  | | Journal (article/letter/editorial) | | at: No. 19, Beitucheng Western Road, Chaoyang District, 100029 Beijing, P.R. China. E-mail address:...measuring the FeS in sphalerite and Ag contents of electrum (Barton and Toulmin, 1964, 1966; Barton and Skinner...et al. (1999) classified LS deposits of northern Nevada as type 1 LS (associated with a western andesite...economically important in the 600-km-long Walker Lane in Nevada (e.g., Comstock Lode), the 750-km-long Sierra Madre...Ciobanu et al., 2002; Grancea et al., 2002), Baguio district of the Philippines and Morobe goldfield of Papua |  | | Journal (article/letter/editorial) | | California-Vetas mining district. Coeval volcanic rocks are not recognized in the district and volumetrically...Epithermal mineralization in the California-Vetas mining district at 7.4° N and 70.9 W in the eastern Cordillera...Angostura deposit within the California-Vetas mining district and a spatial association of mineralization...intruding Cretaceous sedimentary rocks west of the district. Rhenium-osmium analyses of pyrite concentrates...artisanal gold mines in the California-Vetas mining district yielded an age of 57 ± 10 Ma (Mathur et al |  | Torró, Lisard, Proenza, Joaquín, Espaillat, Julio, Belén-Manzeta, Albert, Román-Alday, María, Amarante, Alberto, González, Norverto, Espinoza, Jorge, Román-Alpiste, Manuel, Nelson, Carl (2018) The Discovery of the Romero VMS Deposit and Its Bearing on the Metallogenic Evolution of Hispaniola during the Cretaceous. Minerals, 8 (11) 507 doi:10.3390/min8110507 | Journal (article/letter/editorial) | | Belén-Manzeta 3 , María Clara Román-Alday 2 , Alberto Amarante 4 , Norverto González 4 , Jorge Espinoza...Dominican Republic; albetbm3108@gmail.com GoldQuest Mining Corp., 155 Wellington St. W Suite 2920, Toronto...Caribe, S.A., 2360 23rd Street, Boulder, CO 80304, USA; carlericnelson@gmail.com Correspondence: lisardtorro@hotmail...discovered Romero deposit, located in the Tres Palmas district, Cordillera Central of the Dominican Republic...silica and chalcopyrite, sphalerite, pyrite (+electrum ± Au–Ag tellurides). The δ34 S values of sulfides |  | | Report (volume) | | Railroad Valley-Grant Range region, eastcentral Nevada, from interpretation of potential-field anomalies...geology and mineral deposits of the Berenguela district, northwestern Bolivia By Alan R. Wallace, Richard...inclusions in vein quartz from Battle Mountain, Nevada By Edwin H. McKee, James E. Conrad, Brent D. Turrin...White River National Forest and the Dillon Ranger District of the Arapaho National Forest, Colorado By Margo...material along the Getchell trend, Osgood Mountains, Nevada: Implications for gold exploration and the carbon-gold |  | | Book | | do Sul, Rio Grande do Sul. Collection of Luiz Alberto Dias Menezes Filho. Photograph taken by Marcelo...Malacacheta, Minas Gerais. Collection of Luiz Alberto Dias Menezes Filho. Drawing by Ronald Tobias. Illustration...Preface of Rui Ribeiro Franco 11 Preface of Luiz Alberto Dias Menezes Filho 12 Preface of Carlos Cornejo...mineralogists active in Brazil 69 Notable national mining en~·neers and mineralogists 73 Ca inets of curiosities...The auriferous claims 148 The gold mine of Morro Velho 153 The Mine of Passagem 155 The/old rush in P'ianc6 |  | | Report (volume) | | application of mineral deposit models to classic mining areas in Bolivia. The data that result from these...United States. Bolivia has a long and important mining history, and mineral resources will probably continue...development of future exploration and investment of the mining industry in nontraditional areas of the Andean...being the best example. After hundreds of years of mining, these deposits are still productive and the Cordillera...effort to promote the development of the Bolivian mining sector, TDP provided a grant of $2 million to the |  | 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) | | Diaz, Hermann Duque-Caro, Rodrigo Vargas Higuera, Alberto Nunez Tello, Jairo Alvarez Agudelo, Clemente Ropain...complex mineralogy (such as the California-Vetas district) would be useful, not only for exploration in...in such areas may be appropriate. 12° SIERRA NEVADA DE SANTA MARTA Figure 1. Geologic provinces of...vertical uplift is post-middle Miocene. The Sierra Nevada de Santa Marta, a triangular-shaped fault-bounded...Juan-Atrato Basin), the Serrania de Perija and Sierra Nevada de Santa Marta (Cesar Basin), and along the Caribbean |  | Poblete, J. A., Bissig, T., Mortensen, J. K., Gabites, J., Friedman, R., Rodriguez, M. (2014) The Cerro Bayo District, Chilean Patagonia: Late Jurassic to Cretaceous Magmatism and Protracted History of Epithermal Ag-Au Mineralization. Economic Geology, 109 (2) 487-502 doi:10.2113/econgeo.109.2.487 | Journal (article/letter/editorial) | | Economic Geology, v. 109, pp. 487–502 The Cerro Bayo District, Chilean Patagonia: Late Jurassic to Cretaceous...Abstract The Cerro Bayo low sulfidation epithermal district is located in the Aysén region, Chilean Patagonia...zircon) are present in the western part of the district at Laguna Verde. Silver and gold mineralization...fault. The oldest episode of mineralization in the district is similar in age to the youngest epithermal deposits...Palacios, 1999; Townley et al., 2000). The Cerro Bayo district is situated at 46°30'S and 71°50'W in Chile, near |  | | Report (issue) | | Empire. N o attempt has been made to give details of mining or metallurgical processes. HARCOURT, Chairman...ORES It is a remarkable fact, as demonstrated by mining experience, that the five metals, silver, gold...both gold and silver. T h u s , in the Kongsberg district the proportion of silver to gold is given a s...produced silver may be mentioned East Huel Rose lead mine (yield from 1852 to 1861 was 260,721 oz.), and West...silver-lead mine (yield from 1851 to 1863 was 332,204 oz.), and the Frank Mills lead mine (yield from |  | | Conference Proceedings (Volume) | | copper mine in the very north of Sweden. Mining operations started in 1968 and the current mining depth...area of the Kristineberg VHMS deposit, Skellefte district, Sweden .......................................A. Massive Zn-Cu-Pb deposits in the Røros ore district, Norway: setting and formation ................Matos The Jörn granitoid complex, Skellefte mining district, Sweden: petrography, lithogeochemistry and...for VHMS deposits, Kristineberg area, Skellefte District, Sweden ..................................... |  | | Journal (article/letter/editorial) | | Min. Mag. 27-162]. Named after Admiral Alvaro Alberto da Motta e Silva, director of the national research...monoclinic crystals in dolomite-rock from Gabba, Nevada. Named after Dr. Eugene Callaghan, director of...38, p. 191. A basic copper phosphate from Chino mine, New Mexico. Later proved to be identical with libethenite...biaxial scales in a vein of sulphide ores from the district of the Evenki people, Lower Tunguska river, Siberia...alteration product of wolframite in the Farallon mine, Tasna, Bolivia. Named from the locality. [M.A. |  | | Book | | The endsheet maps are reprinted from The Mexican Mining Industry 1890-1950 by Marvin D. Bernstein, by permission...is * CONTENTS Foreword Preface Important Mining Districts Discovery and Developments in México...introduction contains an interesting summary of the mining history and the development of mineralogy. It also...The author discusses eight of the more important mining districts in México, which produce fine mineral...geologists, mineralo- x / Foreword gists, and mining engineers, but also for mineral and gem collectors |  | | Book (edition) | | Cordillera. Geological Society of Nevada Proceedings, Reno/Sparks, Nevada, April 1995: 1487-1499. AZUFRE...color de electrum es más pálido. 51 Análisis químicos: con más de 20% de Ag es denominado electrum. Además...Polymetallic Ag-Te bearing paragenesis of the Cerro Negro district, Famatina range, La Rioja, Argenrina. The Canadian...selenide-sulfide minerals of the Los Llantenes Mining District, La Rioja, Argentina. Proceedings of 8 IAGOD...Polimetallic Ag-Te bearing paragenesis of the Cerro Negro district, Famatina range, La Rioja, Argentina. Canadian | | | Book | | The endsheet maps are reprinted from The Mexican Mining Industry 1890-1950 by Marvin D. Bernstein, by permission... CONTENTS • Foreword lX Preface Xl Important Mining Districts 1 Discovery and Developments in Mexico...introduction contains an interesting summary of the mining history and the development of mineralogy. It also...The author discusses eight of the more important mining districts in Mexico, which produce fine mineral...geologists, mineralo- LX x I Foreword gists, and mining engineers, but also for mineral and gem collectors |  | | Book | | ARIZONA-IV ] 1-102 [ 17 / 1986 [ ONTARIO] NEVADA] [ 16 / 1985 [ 65-128 265-328 261-336 209-272...On a spectacular find of crocoite in the Adelaide mine, Dundas, Tasmania (by A. H. Chapman) 3:111-113 ADOLFSSON...Iaria from the Howard-Montgomery quarry, Howard County, Maryland (by J. S. White) 25:53-54 AFGHANISTAN...AJO Famous mineral localities: the New Cornelia mine, Ajo, Arizona (by W. J. Thomas & R. B. Gibbs) 14:283-298...Iron-manganese phosphates of the Williams pegmatites, Coosa County, Alabama (by P. B. Leavens & T. A. Simpson) 6:66-73 |  | | Report (issue) | | cycle. It is also important to ensure that the mining, extraction and processing of uranium (and thorium)...and to characterize deposits for improvements in mining, extraction and processing. In 2015, the IAEA launched...resource base, and at the same time, making the mining and extraction more efficient and environmentally...Material for the Nuclear Fuel Cycle: Exploration, Mining, Production, Supply and Demand, Economics and Environmental...Cu-Mo-U occurrences in the LarapParacale mineralized district, Camarines Norte, Phillipines Mr Vargas Edmondo |  | | Conference Proceedings (Volume) | | copper mine in the very north of Sweden. Mining operations started in 1968 and the current mining depth........................... 13 The moral case for mining – is it a question the industry can answer? .......... 17 Yasushi Watanabe Sustainability in mining and exploration: the role of geosciences ........A regional scale 3D-model of the Skellefte mining district, northern Sweden ...........................VHMS-type deposits, Kristineberg area, Skellefte District, Sweden . . ................................. |  | | Report (volume) | | of Science A. I. M. E____ American Institute of Mining and Metallurgical Engineers Aardrijksk---. Aardrijkskundig...cientlfica Circular Classe classification Company, County Collections Committee Communications Comparative...Devonian development diagram Direcci6n Dissertation district distribution division Doctoral, Document Doctoral...Meteorological, etc. microscopic, etc. Mimeographed Mineral, Mining min. res_ _ _ _ _ mineral resources Mineralog_____...American Institute of Mining and Metallurgical Engineers: Contributions 134, 136-139; Mining and Metallurgy |  | | Corporate Document | | remarkable 130 1891–2021 HECLA MINING COMPANY 2020 ANNUAL REPORT A remarkable year: A relentless...decades of success to come. FOUNDED IN 1891, HECLA MINING Greens Creek (Ag, Au, Pb, Zn) COMPANY IS THE...PRE-DEVELOPMENT PROJECTS IN Midas (Au) Elko County, Nevada WORLD-CLASS MINING DISTRICTS THROUGHOUT NORTH AMERICA...Elko County, Nevada San Juan Silver (Ag, Pb, Zn) Mineral County, Nevada Esmeralda County, Nevada Casa...Casa Berardi (Au) Elko County, Nevada Aurora (Au) Monte Cristo (Au) Opinaca/Wildcat (Au) James Bay |  | | Book | | Mining in _ By Carlos Prieto Chairman, Cia. Fund Fierro y Acero de Mo In exploring the history of colonial...colonial mining in Spanish and Portuguese America, the author of this provocative work, which is published...is concerned in any way with the development of mining and metallurgy. His controversial thesis is that...in fáct, contribute enormously to civilization. Mining not only created the Latin American peoples and...the English Industrial Revolution, and advanced mining technology. Maintaining a historical perspective |
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