 | | Journal (article/letter/editorial) | | North University Ann Arbor, Michigan 48109-1005, USA b Departamento de GeologıÌa, Facultad de Ciencias...been investigated using first-principles and Monte Carlo calculations in order to understand the incorporation...resulting AsâS interactions were incorporated into Monte Carlo simulations. Enthalpies, configurational entropies...mixtures of FeS2 (pyrite or marcasite) and FeAsS (arsenopyrite) are energetically more favorable than the solid...before unmixing into (pyrite or marcasite) + arsenopyrite. This finding is in agreement with previously |  | Peters, S.G., Nash, J.T., John, D.A., Spanski, G.T., King, H.D., Connors, K.A., Moring, B.C., Doebrich, J.L., McGuire, D.J., Albino, G.V., Dunn, V.C., Theodore, T.G., Ludington, S.D. (1996) Metallic mineral resources in the U.S. Bureau of Land Management's Winnemucca District and Surprise Resource Area, northwest Nevada and northeast California. Open-File Report Vol. 1996 (96-712) US Geological Survey doi:10.3133/ofr96712 | Report (issue) | | the U.S. Bureau of Land Management's Winnemucca District and Surprise Resource Area, northwest Nevada and...Study Areas and other areas in the Winnemucca District and Surprise Resource Area for which resource...of mineral deposits present in the Winnemucca District and Surprise Resource Area, northwest Nev. and...Examples of mineral deposits in the Winnemucca District and Surprise Resource Area, northwest Nev. and...favorable, and prospective tracts in the Winnemucca District and Surprise Resource Area, northwest Nev. and |  | | Report (Issue volume) | | State of Washington ARTHUR B. LANGLIE, Governor Department of Conservation and Development W. A. GALBRAITH...GLOVER, Supervisor Bulletin No. 37 INVENTORY OF WASHINGTON MINERALS PART II METALLIC MINERALS By MARSHALL...Volume 2 - MAPS STATE PRINTING PLANT. OLYMPIA, WASHINGTON lll!UI For sale by Department of Conservation...volumes-text and maps) $4.50. INVENTORY OF WASHINGTON MINERALS PART II METALLIC MINERALS Volume 1...Bulletin 33, "Nonmetallic Mineral Resources of Washington," published in 1936. Since then the catalogue |  | | Journal (article/letter/editorial) | | gold deposits associated with quartzâpyriteâarsenopyrite veins and stockworks or with quartzâstibniteâgold...gold production (Phillips et al., 2003). Current mining produces approximately 7 t of gold a year. Almost...StawellâArarat, Ballarat and Woods Point pyriteâarsenopyrite mineralogical domains and the LandsboroughâPercydale...dominated by pyrite (occasionally â pyrrhotite) and arsenopyrite, with subordinate chalcopyrite, sphalerite and...ultra-ïŹne (usually b10 ÎŒm), gold in sulphide grains (arsenopyrite and pyrite in thin veins and stockworks or disseminated |  | Frenzel, Max, Bachmann, Kai, Carvalho, JoĂŁo R. S., Relvas, Jorge M. R. S., Pacheco, Nelson, Gutzmer, Jens (2019) The geometallurgical assessment of by-productsâgeochemical proxies for the complex mineralogical deportment of indium at Neves-Corvo, Portugal. Mineralium Deposita, 54 (7) 959-982 doi:10.1007/s00126-018-0849-6 | Journal (article/letter/editorial) | | However, they are only of marginal interest to many mining companies and are rarely part of detailed resource...indium at Neves-Corvo, a major European base-metal mine (Cu + Zn), and one of the largest and richest volcanichosted...mineralogical deportment, allowing for specific mine and process planning. The novel methodologies implemented...modeling of byproduct recoveries from individual mining blocks, are of general applicability to the geometallurgical...by-product metals are only of marginal interest to most mining companies. Detailed quantitative information on |  | Blanchard, Marc, Alfredsson, Maria, Brodholt, John, Wright, Kate, Catlow, C. Richard A. (2007) Arsenic incorporation into FeS2 pyrite and its influence on dissolution: A DFT study. Geochimica et Cosmochimica Acta, 71 (3) 624-630 doi:10.1016/j.gca.2006.09.021 | Journal (article/letter/editorial) | | are largely responsible for the generation of acid mine drainage and hence the release of toxic metals such...the structural diïŹerences between pyrite and arsenopyrite (FeAsS, orthorhombic) or loÌllingite (FeAs2...arsenic in the same local conïŹguration as in arsenopyrite (Foster et al., 1998; Simon et al., 1999; Savage...atoms are in black and white, respectively. arsenopyrite. They proposed that the best description of...pyrite and marcasite using ïŹrst-principles and Monte Carlo calculations. Assuming that arsenic substitutes |  | | Journal (article/letter/editorial) | | refractory gold associated with quartzâpyriteâarsenopyrite veins and stockworks and stibniteâquartz±gold...century. There has been a revival of exploration and mining activities since the early 1990s. Several refractory...categories (JORC 2012). However, only small-scale gold mining is currently taking place in the region, and most...characteristics of primary gold deposits and the mining history in the region have been extensively discussed...veins, with minor sulfides (mostly pyrite and arsenopyrite) and ferroan carbonates. These gold-bearing |  | | Report (issue) | | an overall guide been written on gold and gold mining of publications have no single report or to...longer district Hulin, respectively. the principal features of each gold-bearing district are described...publications were written on various phases of gold mining. The reports of John Trosk, the first State Geologist...Commissioner of Mineral prepared reports of mine production and gold-mining Bureau, and later now the California...The California Mining in 1880, gold-mining operations; the and Geology and the County a number of |  | | Report (issue) | | MINING ON PRINCE WILLIAM SOUND. By BERTRAND L. JOHNSON. GENERAL FEATURES. The lode-mining districts...Most of the gold mines were in the Port Valdez district. Besides these properties, a prospect on Knight...few days in the fall. COPPER MINING. GENERAL CONDITIONS. Copper mining and prospecting in the Prince...copper. The Beatson Copper Co. and the Ellamar Mining Co. made regular shipments as usual, but the other...the Granby Consolidated Mining, Smelting & Power Co. (Ltd.) to put the Midas mine, on Solomon Gulch in the |  | | Journal (article/letter/editorial) | | (CoAsS) in the Idaho cobalt belt, Belt-Purcell Basin, USA: Evidence for middle Mesoproterozoic sediment-hosted...Survey, 904 W. Riverside Avenue, Spokane, WA 99201, USA a r t i c l e i n f o Article history: Received...Lemhi subbasin to the Belt-Purcell Basin, Idaho, USA. Using a 185Re + 190Os spike solution, magnetic and...in the Blackbird mine. All Mesoproterozoic cobaltite mineralization in the district was affected by greenschist-...from the shear zonehosted Chicago zone, Blackbird mine, is the only studied deposit that has severely disturbed |  | | Book (edition) | | Gunnison Pike Colorado Springs Rio Grande Monte Vista Roosevelt Fort Collins Routt Steamboat Springs...Montrose County Colorado National Monument Mesa County Dinosaur National Monument Moffat County Florissant...Florissant Fossil Beds National Monument Teller County Great Sand Dunes National Monument Saguache and...National Monument Montezuma County Yucca House National Monument Montezuma County NATIONAL PARKS IN COLORADO...COLORADO Mesa Verde National Park Montezuma County Rocky Mountain National Park Grand and Larimer Countie~ |  | | Journal (article/letter/editorial) | | Copyright © 1998 Elsevier Science Ltd Printed in the USA. All rights reserved 0016-7037/98 $19.00 1 .00 Pergamon...These include redox and sorption reactions. A Monte Carlo simulation successfully reproduces the major...Oxidative dissolution of As-bearing minerals (e.g., arsenopyrite) by air-saturated solutions is another (Nesbitt...are 0.14 eV lower than observed on oxidized arsenopyrite surfaces (Nesbitt et al., 1995). There are about...sites onto which Mn21(aq) may be adsorbed. 6.2. Monte Carlo Simulation Fig. 9. XPS broadscans in the region |  | Reich, Martin, Chryssoulis, Stephen L., Deditius, Artur, Palacios, Carlos, ZĂșñiga, Alejandro, Weldt, Magdalena, Alvear, Macarena (2010) âInvisibleâ silver and gold in supergene digenite (Cu1.8S) Geochimica et Cosmochimica Acta, 74 (21) 6157-6173 doi:10.1016/j.gca.2010.07.026 | Journal (article/letter/editorial) | | ton (e.g. Mantos de la Luna, Susana/Lince and Buena Vista deposits, Kojima et al., 2003), and more than...microprobe techniques. In Proc. Symp. Gold 90â, Soc. for Mining, Metall., and Explor. (eds. D. M. Hausen, D. N...of the Morenci porphyry copper deposit, Greenlee County, Arizona. Econ. Geol. 101, 59â70. Evans, Jr., H...Gold-bearing arsenian pyrite and marcasite and arsenopyrite from Carlin Trend gold deposits and laboratory...Putnis A. (1999) TEM study of samples from acid mine drainage systems: metalâ mineral association with |  | | Report (volume) | | or Documents U.S. Government Printing Office Washington, DC 20402 (Check or money order must be payable...Battery St. SPOKANE, Washington--U.S. Courthouse, Rm. 678, West 920 Riverside Ave. WASHINGTON, D.C.--U.S. Department...1992 UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON : 1992 For sale by Book and Open-File Report...rock types 133 Cross section through the Kalavos district Cyprus showing relationship of massive sulfide...based on considerations that extend far beyond the mine itself, in some instances relating to the overall |  | | Report (volume) | | species UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON : 1961 'UNITED STATES DEPARTMENT OF THE INTERIOR...location and means of access to all the metallic mining districts in the State, as well as a large number...documented summary of the beginning of Colorado mining history. Part of his summary is given here in the...had been recently found in the Tenmile district, Summit County. In his booklet, which today would be classed...however, because it contains lists of the mines and mining districts that were active at the time in Clear |  | | Book | | enter must be obtained to prevent trespass. Old mine workings are dangerous and entering underground...oFtne ato aa Gem Ghd nQkTeane Uva a nes ly ia" mine Ui nrobs inesob cere ts ou ioe tok us 'aaieomolitt...exception of the rhodochrosites of the Sweet Home Mine, Alma, Colorado, which were loaned for photography...and the Central Mining District, Grant County Burro Mountains Apache No, 2 District Lake Valley Caballo...Mountains Chloride District Hansonburg District Socorro Area New Placers District Grants Area Nacimiento |  | | Report (issue) | | Director UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON : 1994 Free on application to U.S. Geological... Sonora, Mexico Greg E. McKelvey, Phelps Dodge Mining Company Brenda B. Houser, Past-President, Arizona...explore the mining history and mineral deposits of one of the country's most important mining regions; further...cyanide and toxic metals released from the Summitville mine on downstream water supplies and crops. The distribution...distribution and movement of metals from mining districts of Coeur D'Alene, Idaho, and Rio Tinto, Spain |  | | Report (issue) | | THE INTERIOR U.S. GEOLOGICAL SURVEY 1 Sequim, Washington Alaska Resource Data File Valdez quadrangle...Workings/exploration: There are three patented mining claims at this location (Winkler and others, 1981[OFR...Data File Site name(s): Opal; Tiger Mining Co. Site type: Mine ARDF no.: VA021 Latitude: 61.5371 Quadrangle:...Commodities: Main: Au Other: Ag, Pb, Zn Ore minerals: Arsenopyrite, galena, gold, pyrite, sphalerite Gangue minerals:...others, 1981 [OFR 80-892-A]). The veins contain arsenopyrite, pyrite, galena, and sphalerite. Alteration: |  | | Journal (article/letter/editorial) | | of tonnages and grades in the early stages of a mining project remains a challenging topic, particularly...the integration of geological information into mining models as secondary information (Matias, 2010;...et al., 2014). In the early stages, and prior to mining exploitation, available information was provided...engage in mining leads to the mining project phase, which includes the establishment of mine layouts (panels...(panels and levels) and long-term mine planning. Computational modeling and stochastic simulations have |  | Lowers, Heather A., Breit, George N., Foster, Andrea L., Whitney, John, Yount, James, Uddin, Md. Nehal, Muneem, Ad. Atual (2007) Arsenic incorporation into authigenic pyrite, Bengal Basin sediment, Bangladesh. Geochimica et Cosmochimica Acta, 71 (11) 2699-2717 doi:10.1016/j.gca.2007.03.022 | Journal (article/letter/editorial) | | Survey, MS 973, Denver, CO, USA U.S. Geological Survey, MS 901, Menlo Park, CA, USA c U.S. Geological Survey...Survey, MS 980, Denver, CO, USA Geological Survey of Bangladesh, Segenbagicha, Dhaka, Bangladesh b d Received...206; E 90.049), in the Rajoir upazila, Madaripur district, is 30 km south of the Padma River and 50 km west...922) is a village in Kachua upazila, Chandphur district, 30 km east of the Meghna River. It is located...analysis volume to approximately 1lm, based on Monte Carlo simulations. Fe, S, As, Cu, and Zn concentrations |  | Rasilainen, Kalevi, Eilu,Pasi, Huovinen, Irmeli, Konnunaho, Jukka, Niiranen, Tero, Ojala, Juhani, TörmĂ€nen, Tuomo (2020) Quantitative assessment of undiscovered resources in Kuusamo-type Co-Au deposits in Finland. Bulletin de la Commission GĂ©ologique de Finlande Vol. 410. Geological Survey of Finland | Journal (volume) | | The first about the environmental effects of mining are also part reviews the Kuusamo-type Co-Au deposits...Platinum- Committee of the Australasian Institute of Mining group element deposits in mafic-ultramafic layered...Talvivaara-type Active mine Ni, Co, Zn 1413.8 Kevitsa Magmatic Ni-Cu-PGE Active mine Ni,Cu,PGE 311.8... 22,200 JORC Kylylahti Outokumpu-type Active mine Co,Cu,Ni 7.65 16,830 JORC Haarakumpu Kuusamo-type...16 3,476 JORC Juomasuo Au Kuusamo-type Closed mine Au,Co 2.371 3,082 JORC VĂ€hĂ€joki Iron oxide-copper-gold |  | | Journal (article/letter/editorial) | | Institute, 3600 Bay Area Boulevard, Houston TX 77058, USA (treiman@lpi.usra.edu) Shergotty and Zagami, Martian...Department of Geosciences, Virginia Tech, Blacksburg, VA, USA (melwood@vt.edu, rjb@vt.edu) 2 Lunar and Planetary...Planetary Lab, University of Arizona, Tucson, AZ, USA (kring@LPL.arizona.edu) While impacts provided the flux...Michigan State University, East Lansing, MI 48824-1115, USA (velbel@msu.edu) Earth and Environmental Sciences...Sciences Dept, Lehigh University, Bethlehem, PA 18015, USA (scp2@lehigh.edu) Background Weathering rates of |  | | Report (issue) | | MINERAL RESOURCES OF CALAVERAS COUNTY, CALIFORNIA By WILLIAM B. CLARK, Mining Geologist California Division...PHILIP A. LYDON, Mining Geologist California Division of Mines and Geology County Report 2 CALIFORNIA...MINES AND GEOLOGY Ian Campbell, State Geologist COUNTY REPORT Price $4.00 2 6 1 - CONTENTS ABSTRACT...Geologic Map Map Map map County of Calaveras pocket In of Calaveras County showing lode gold mines...pocket of Calaveras County showing placer gold mines In pocket of Calaveras County showing mines and |  | Masurel, Quentin, ThĂ©baud, Nicolas, Miller, John, Ulrich, Stanislav, Hein, Kim A.A., Cameron, Greg, BĂ©ziat, Didier, Bruguier, Olivier, Davis, James A. (2017) Sadiola Hill: A World-Class Carbonate-Hosted Gold Deposit in Mali, West Africa. Economic Geology, 112 (1) 23-47 doi:10.2113/econgeo.112.1.23 | Journal (article/letter/editorial) | | skarn development in the region (e.g., FalĂ©mĂ© iron district, Schwartz and Melcher, 2004). The shear-hosted...genetically associated with iron skarns of the FalĂ©mĂ© district (Schwartz and Melcher, 2004). The Kofi Series...granitoids (Debat et al., 1984; Pawlig et al., 2006). Mining Background The Sadiola Hill deposit and satellite...of ancient and recent artisanal mining, and written records of mining date back more than 300 years (public...2015). However, the development of the Sadiola Hill mine began in 1992 and was based on proven and probable |  | Renock, Devon, Gallegos, Tanya, Utsunomiya, Satoshi, Hayes, Kim, Ewing, Rodney C., Becker, Udo (2009) Chemical and structural characterization of As immobilization by nanoparticles of mackinawite (FeSm) Chemical Geology, 268 (1) 116-125 doi:10.1016/j.chemgeo.2009.08.003 | Journal (article/letter/editorial) | | University of Michigan, Ann Arbor, Michigan 48109-1005, USA Department of Civil and Environmental Engineering...184, North Campus-2125 Ann Arbor, Michigan 48109, USA Department of Chemistry, Kyushu University, Ropponmatsu...University of Michigan, Ann Arbor, Michigan 48109, USA b c a r t i c l e i n f o Article history: Received...by anthropogenic sources, as in the case of acid mine drainage, or by natural sources, such as from volcanic...uptake by pyrite and troilite (FeS) is by an arsenopyrite-like surface precipitate that forms at approximately |
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