 | Thompson, R. N., Gibson, S. A., Mitchell, J. G., Dickin, A. P., Leonardos, O. H., Brod, J. A., Greenwood, J. C. (1998) Migrating Cretaceous-Eocene Magmatismin the Serra do Mar Alkaline Province,SE Brazil: Melts from the Deflected Trindade Mantle Plume?. Journal of Petrology, 39 (8) 1493-1526 doi:10.1093/petroj/39.8.1493 | Journal (article/letter/editorial) | | Magmatism in the Serra do Mar Alkaline Province, SE Brazil: Melts from the Deflected Trindade Mantle Plume...UNIVERSIDADE DE BRASÍLIA, 70910 BRASÍLIA DF, BRAZIL RECEIVED JULY 30, 1997; REVISED TYPESCRIPT ACCEPTED...volcanic remnants, and dyke swarms along coastal SE Brazil. The igneous rocks are emplaced into metamorphics...migrated progressively ~500 km ESE, from Poços de Caldas to Cabo Frio, between ~80 and 55 Ma. It is inferred...mantle plume impacted at ~85 Ma beneath interior SE Brazil where the lithosphere was too thick (>150 km), |  | | Report (issue) | | engineered. Once an ore deposit is discovered, a mine is developed and U extracted by a variety of mining...(Australia) Pervomayskoye (Ukraine), Lagoa Real (Brazil), Valhalla (Australia) Pribram , Jachymov (Czech...examples of this deposit type are Lagoa Real in Brazil, Zheltye Vody deposit in Ukraine and Valhalla in...gold mining. In Namibia, the large Rössing open cut mine has been in operation since 1976, and currently...production through the Akouta underground mine and Arlit open pit mine. China had U mines fully operational |  | | Journal (article/letter/editorial) | | staurolite supply and use. . . . . . Corundum and spinel . . . . . . . . . . . . . . . . . . . . . . . ...of corundum and spinel minerals . . . . 48.2. Magmatic deposits of corundum and spinel minerals. . . ...corundum and spinel minerals . . . . . . 48.4. Metamorphic deposits of corundum and spinel minerals . .... . . . . 48.5. Corundum and spinel supply and use . . . . . . . . . . . . . . . Diamond . . . . . ....Sohngeite Sperrylite Sphalerite Sphene Spherocobaltite Spinel-group minerals Spodumene-hiddenite-kunzite Stannite | | | Journal (article/letter/editorial) | | staurolite supply and use. . . . . . Corundum and spinel . . . . . . . . . . . . . . . . . . . . . . . ...of corundum and spinel minerals . . . . 48.2. Magmatic deposits of corundum and spinel minerals. . . ...corundum and spinel minerals . . . . . . 48.4. Metamorphic deposits of corundum and spinel minerals . .... . . . . 48.5. Corundum and spinel supply and use . . . . . . . . . . . . . . . Diamond . . . . . ....Sohngeite Sperrylite Sphalerite Sphene Spherocobaltite Spinel-group minerals Spodumene-hiddenite-kunzite Stannite |  | | Report (volume) | | based on considerations that extend far beyond the mine itself, in some instances relating to the overall...subject, as in a scale model of the workings of a mine, to a unifying concept that explains or describes...government believed might someday be economic ta mine. Stratiform deposits of large areal extent, such...EXAMPLES High Plateau, Del Norte Cty, USCA Coto Mine, Luzon, PLPN (Wells and others, 1946) (LeBlanc...DEPOSITS Name Ace of Spades Adobe Canyon Gp. Ajax Alice Mine Allan (Johnson) Alta Hill Althouse Alyce and Blue |  | | Journal (volume) | | .........................319 EM61 Mineralogy of mine wastes and contaminated soil......................euhedral phenocrysts assemblage is composed of Cr-rich spinel (picotite), olivine in the range Fo79-71 (with...(microcline – orthoclase mixtures) becomes dominant. A spinel-like phase is formed starting from ~850°C. The...science (general session) – oral MgxCu1-xCr2O4 spinel solid solution: Jahn-Teller distortion and phase...archetype cubic spinel structure (Fd-3m), while CuCr2O4 is a tetragonally distorted spinel with c/a < 1 |  | | Book | | Fritsche R (mineralogy), Fohse H. (general), Fuchs H. (Brazil), Grauch R (western USA), Gautier A. (breccia pipe...Granite-Related Vein Uranium Deposits: Schwartzwalder Mine, Front Range, USA ................................when analyzing pitchblende from the George Wagsfort mine at Johanngeorgenstadt, Sachsisches Erzgebirge (Saxonian...City area, Colorado. In Cornwall, the South Terras mine opened for uranium production in 1873. During the...century, most of it coming from the South Terras mine ilear St. Stephen (ca. 275 t). In Colorado, USA |  | | Book | | the carbonaceous phases. Most oxide grains are spinel (MgAl2O4) and corundum (Al2O3), but hibonite (CaAl12O19)...et al., 1998, 1999; Krestina et al., 2002), 41 spinel grains (Nittler et al., 1997; Choi et al., 1998;...of presolar spinel among all spinel grains is ,3%, whereas it is # 0.5% among .1 mm spinel grains. Furthermore...in different types of residues, some containing spinel, others not. Another complication is that more...the identification of an additional 252 presolar spinel and 32 presolar corundum grains (Nguyen et al. |  | | Book | | determine which contaminants will migrate from mine tailings and toxic waste sites, predict scaling...for example, showed that Eh measurements in acid mine drainage accurately reflect the dap.+++/dpe+ ratio...sampled near the Morro do Ferro ore district in Brazil (Table 6.12). There are three measures of oxidation...groundwater from near the Morro do Ferro deposits, Brazil (Nordstrom et al., 1992) T (°C) pH 6.05 Eh (mV)...contaminants away from a polluting landfill. In acid mine drainages, ferric oxide sorbs heavy metals from |  | | Journal (issue) | | Evaporation of mercury from soils Acid mine drainage at lron Duke mine - Zimbabwe Gypsum treatment for sediments...or natural such as compacted clays, silty soils, mine tailing, or mixes, such as sand and ben- - Accepted:...Background area 1 km from cinnabar mine 15 km from cinnabar mine Non-mineralized areas Floodplain...type and disseminated gold mineralization ,Getchell Mine area, Humboldt County Nevada. J Geochem Ex- References...mercury from agricultural soils near Almaden mercury mine. J Environ Qual 8:572-578 LinpBeRG SE, Kim K-H |  | | Book | | Elsevier—Pergamon, Oxford. Cover photo: Bingham Canyon Mine is located 25 miles southwest of Salt Lake City...FORDYCE, 67 107 9.05 The Geochemistry of Acid Mine Drainage D. W. BLOWES, C. J. PTACEK, J. L. JAMBOR...each volume, and within the volumes, dusts, acid mine drainage (Chapter 9.05), radioactive elements 1970)...Groundwater 9.02.4.3.6 Sediment pore water 9.02.4.3.7 Acid mine drainage 9.02.4.4 Arsenic Species in Natural Waters...mining-related arsenic problems 9.02.5.1.2 Modern practice in mine-waste stabilization 9.02.5.2 Role of Secondary Minerals |
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