 | | Journal (article/letter/editorial) | | the vicinity of the secondaryU ore deposit at Koongarra, Australia, were examined using transmissionand...upstreamfrom the deposit,where sal6eitereplacessklodowskite and granular apatite.Within the deposit and further...within, and downstream from, the secondary ore deposit. Phosphorousreleased during the aging of ferrihydrite...low as 10-30 pgll-. Once released from the ore deposit, U is fixed in uranyl phosphateseven where measuredgroundwater...and occurrences Mineralspecies Autunite Coffinite Curite Kasolite Metaautunite Metatorbernite Renardite |  | | Journal (article/letter/editorial) | | in calcite gangue. The pit #15, Příbram uranium deposit. The width of the photograph (field-of-view, FOV)...grains in the barite gangue. Menzenschwand uranium deposit, Schwarzwald (Germany). FOV 3.4 mm, photo P. Škácha...fourmarierite agrinierite richetite masuyite protasite curite sayrite wölsendorfite spriggite Formula [(UO2)8O2(OH)12](H2O)12...vandendriesscheite → fourmarierite → masuyite → sayrite → curite → wölsendorfite → richetite → spriggite. b) The...in the supergene zones of the Menzenschwand U-deposit in Schwarzwald (Black Forest Mts.), southwestern |  | | Journal (article/letter/editorial) | | include the unconformity- and vein-type U deposits (Australia and Canada) and the unique Oklo natural nuclear...include unconformity- and vein-type U deposits (Australia and Canada) and the unique Oklo natural nuclear...known uranium reserves in the United States and Australia. The uranium deposits of the western United States...grains from the Jack Hills district in Western Australia have U and Th concentrations of up to hundreds...measurements of zircons (4.2 to 4.1 Ga) from Jack Hills, Australia. Pu4+ forms the oxide PuO2, which is isostructural |  | Ohnuki, T., Kozai, N., Samadfam, M., Yasuda, R., Yamamoto, S., Narumi, K., Naramoto, H., Murakami, T. (2004) The formation of autunite (Ca(UO2)2(PO4)2nH2O) within the leached layer of dissolving apatite: incorporation mechanism of uranium by apatite. Chemical Geology, 211 (1) 1-14 doi:10.1016/j.chemgeo.2004.03.004 | Journal (article/letter/editorial) | | during weathering in the vicinity of the Koongarra U deposit (Isobe et al., 1994; Murakami et al., 1997)...the surface consuming apatite. In addition, the Koongarra groundwater, like the present bulk solutions,... 7 moll 1 ) (Murakami et al., 1997). The Koongarra groundwater is rich in Mg (about 10 3 moll...of secondary uranium minerals in the Koongarra Deposit, Australia. Mater. Res. Soc. Symp. Proc. 333, 653...Uraninite and its alteration products, Koongarra uranium deposit. In: Ferguson, J., Goleby, A.B. (Eds.) |  | | Report (volume) | | ........................... 379 Low-yield mass region for fission products: Ag, Cd and Te .............1996). The activity was spread over much of the northern hemisphere. Over 100 workers, many handling active...topology. The sheet anion topologies (for all but curite) of the sheets in minerals that contain only uranyl...Pb1[{U01)10 6(0H)J(H,O), P2/c 10.704 6.960 14.533 curite Pb,[{ U0,.) 10 1(0H~]{H,O), P11am 12.55] 13...triangles, squares and pentagons. (i} the curite sheet; (j) lhe curite anion topology; (k) the vandenbrandeite |  | | Report (issue) | | and districts......................... Type of deposit......................................... Page......................... German Federal Republic (West Germany)............. German Democratic Republic...of.......................... 175 Namibia (South West Africa)........................ ZaTre, Republic...Republic of................. Morroco (Kingdom of the West)...................... Senegal, Republic of................................................... Australia.......................................... New |  | | Book | | studies of radionuclide transport from a uranium ore deposit and a study of the effects of landfill disposal...URANIUM TRANSPORT IN THE SUB-SURFACE ENVIRONMENT KOONGARRA-ACASESTUDY T. David Waite and T.E. Payne 1. INTRODUCTION...MINERALOGY, MINERAL ALTERATION AND HYDROGEOLOGY AT KOONGARRA 2.1 Ore Mineralogy 2.2 Mineral Alteration 2.3...Hydrogeology 3. SOLUTION AND MINERAL EQUILIBRIA OF KOONGARRA GROUNDWATERS " XVI 349 352 352 355 358 359...Solubility Relationships 3.3 Uranium Speciation 1n Koongarra Groundwaters 4. URANIUM SERIES ISOTOPE DISEQUILIBRIA |  | | Report (issue) | | events have produced open systems in U ores. In deposit studies, the decay schemes of 235U and 238U along...cycle as it cannot be engineered. Once an ore deposit is discovered, a mine is developed and U extracted...of mining techniques, depending on the type of deposit. The resulting ore is treated to extract the U...dangerous waste and its use in weapons will MAJOR DEPOSIT TYPES There are many different ways of classifying...companies are similar and involve between 12 and 18 deposit types. One of the problems with subdividing deposits |  | | Book | | Exploration Geoscience CSIRO Floreat Park, WA 6014, Australia H. ZEEGERS Däpartement Exploration BRGM F-45060...postgraduate students. G.J.S. GOVETT Sydney, NSW, Australia PREFACE This volume of the Handbook of Exploration...CSIRO Private Bag, P.O. Wembley, Western Australia Australia 6014 H. Zeegers Chief Departement Exploration...CSIRO Private Bag, P.O. Wembley, Western Australia Australia 6014 F. Bianconi Senior Exploration Geologist...Geologist 28 Greenock Avenue Como, Western Australia Australia 6152 G. Friedrich Director Institut für |  | | Book | | Doynikova Uranous Mineralogy of Hypergene Reduction Region Using electron microscopy data Springer Mineralogy...Doynikova Uranous Mineralogy of Hypergene Reduction Region Using electron microscopy data Olga Alexandrovna...paleochannel sandstone-type deposits of the Vitim ore region, Russia, with a previously little-known new type...of weathering redox processes. In the supergene region, uranium blacks are present practically in all...(Middle Asia, Karamazar ore region), Kosachinoye (Grachevskoye ore field, Northern Kazakhstan), Chu-Sarysu |  | | Book | | source of the actinium emanation and its active deposit. The following year, Hahn (1906a,b) discovered...system (Chiotti et al., 1981). above 33 kbar in the region of 1200 C (Krupka, 1970). It has the cubic structure... 238 U. Reproduced from is altered when the deposit is leached with groundwater and the U is carried...the pH of seawater, both Pa and Th hydrolyze and deposit together on 231 the ocean floor, leaving the U...more, the Pa separated quantitatively as a black deposit on the aluminum, from which it was loosened by |
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