 | | Journal (article/letter/editorial) | | volcanic rock-hosted uranium deposits in northwestern Nevada and southeastern Oregon, USA Stephen B. Castor...School of Mines, Mail Stop 178, Reno, NV 89557, USA Received 14 June 1999; accepted 24 September 1999...Northwestern Nevada and southeastern Oregon have the largest uranium ŽU. deposits in Tertiary volcanic rocks...peralkaline rocks in the McDermitt and Virgin Valley calderas. At McDermitt, major deposits are along...ŽKings River. and northern ring fractures ŽBretz–Opalite. of the caldera complex. The Kings River deposits |  | | Report (issue) | | copper 4.3 Dolomitic copper cobalt 4.4 Sandstone uranium 4.5 Sediment-hosted submarine exhalative Zn Pb...Emerald veins 5.11 Sn, W veins 5.12 Volcanogenic uranium 6. Sedimentary 7. Weathering 7.1 Cauca bauxite...ite±pyrite-hnagnetite*chalcopyrite± bornite±arsenopyrite±scheelite±bismuthinite±stannite±fluorite. Gold...pyrrhotite±sphalerite±chalcopyrite± bornite±arsenopyrite±pyriteimagnetite±traces of wolframite fluorite...Cassiterite±scheelite±sphalerite±pyrrhotite±magnetite±pyrite± arsenopyrite±fluorlte in skarn. Texture/Structure Granoblastic |  | 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) | | native copper (4.2) 22 Sandstone (sedimentary) uranium (4.4) 24 Sediment-hosted submarine exhalative...native copper 21 10. Sandstone (sedimentary) uranium 23 11. Sediment-hosted submarine exhalative...possibilities for the occurrence of bauxite, iron, uranium, gold, diamonds, rare earths, possibly tin and...bauxite, sandstone-hosted leadzinc, iron formation, uranium, paleoplacer gold and diamonds, rare earths, and...complex mineralogy (such as the California-Vetas district) would be useful, not only for exploration in |  | | Report (volume) | | California and Oregon, U.S.A. 41 PGE grades of pediform chromite deposits from California and Oregon, U.S.A....rock types 133 Cross section through the Kalavos district Cyprus showing relationship of massive sulfide...deposits 161 Tonnages of volcanogenic U deposits 164 Uranium grade of volcanogenic U deposits 164 Tonnages of...247 Tonnages of unconformity U-Au deposits 250 Uranium grades of unconformity U-Au deposits 250 Tonnages...deals exclusively with nonfuel minerals (including uranium), for these show a commonality of geologic expressions |  | | Report (issue) | | ENVIRONMENTS OF SANDSTONE-TYPE URANIUM DEPOSITS REPORT OF THE WORKING GROUP ON URANIUM GEOLOGY ORGANIZED BY THE...1985 GEOLOGICAL ENVIRONMENTS OF SANDSTONE-TYPE URANIUM DEPOSITS IAEA, VIENNA, 1985 IAEA-TECDOC-328 Printed...exploration for uranium deposits over the last decade has added significantly to our knowledge of uranium geology...geology and the nature of uranium deposits. Much of the information that has been developed by government...and publication. With the current cut-back in uranium exploration and research efforts there is a real |  | | Report (issue) | | initiated a controlled nuclear chain reaction. Uranium is a ubiquitous element that occurs everywhere;...1966). Uranium is a member of the actinide series of elements, as are thorium and plutonium. Uranium has...resulting in disequilibrium in the radioactivity of Uranium is one of the most important energyrelated materials...To meet the current and projected needs of the uranium industry, discovery of new deposits and development...and processing are critical. The discovery of uranium is attributed to Klaproth, a German chemist who |  | De Vivo, B., Ippolito, F., Capaldi, G., Simpson, P. R. - Eds. (1984) Uranium geochemistry, mineralogy, geology, exploration and resources. Springer Netherlands. doi:10.1007/978-94-009-6060-2 | Book | | Uranium geochemistry, mineralogy, geology, exploration and resources Edited by B. De Vivo, F. Ippolito...Simpson The Institution of Mining and Metallurgy © The Institution of Mining and Metallurgy 1984 Softcover...Institution of Mining and Metallurgy 44 Portland Place London WI England Introduction The uranium minerals...an oxide of an unknown metal, which he called 'uranium' in honour of the planet Uranus, recently discovered...the metal, but, in fact, the attempt failed, and uranium, given its strong affinity with oxygen, was not |  | | Report (issue) | | assessments of land areas _________ Geologic studies of mining districts and mineralbearing regions __ __________..._____________Department of the Interior DOMES ___Deep Ocean Mining Environmental Study DSDP _____________Deep Sea...___________________Nevada Test Site NURE _____National Uranium Resource Evaluation NWS _____________National Weather... O'Leary reported the occurrence of anomalous uranium values in stream-sediment samples from three areas...thorium is the strongest component with lesser uranium and minor potassium components. Heavy-mineral accumulations |  | | Report (volume) | | assessments of land areas _________ Geologic studies of mining districts and mineralbearing regions __ __________..._____________Department of the Interior DOMES ___Deep Ocean Mining Environmental Study DSDP _____________Deep Sea...___________________Nevada Test Site NURE _____National Uranium Resource Evaluation NWS _____________National Weather... O'Leary reported the occurrence of anomalous uranium values in stream-sediment samples from three areas...thorium is the strongest component with lesser uranium and minor potassium components. Heavy-mineral accumulations |
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