| | 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...sal6eiteprecipitated at the reaction interfaces of dissolving sklodowskite and apatite under local saturationconditions...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 | | Pinto, AndrĆ© Jorge, GonƧalves, MĆ”rio A., Prazeres, CĆ”tia, Astilleros, JosĆ© Manuel, Batista, Maria JoĆ£o (2012) Mineral replacement reactions in naturally occurring hydrated uranyl phosphates from the Tarabau deposit: Examples in the CuāBa uranyl phosphate system. Chemical Geology, 312. 18-26 doi:10.1016/j.chemgeo.2012.04.004 | Journal (article/letter/editorial) | occurring hydrated uranyl phosphates from the Tarabau deposit: Examples in the CuāBa uranyl phosphate system...replacement Dissolutionāprecipitation reaction Nisa deposit a b s t r a c t Uranyl phosphates are a mineral...phosphates from the Tarabau site, included in the Nisa deposit, located in central-eastern Portugal, are studied...uranyl phosphates are by far the Koongarra U deposit in Northern Australia, where a wide variety of U minerals...1994; ). Other corner stone studies performed in Koongarra samples focused in unraveling the equilibrium | | | Journal (article/letter/editorial) | were measured in ores from the Cigar Lake uranium deposit, in which U concentrations ranged from 0.3 to 55...within the deposit. The failure to observe complementary deficiencies within the deposit suggests that...losses or gains of these nuclear products from the deposit as a whole. Copyright Ā© 1999 Elsevier Science Ltd...contrasting geochemical environments. The Cigar Lake deposit is an unweathered, unaltered primary ore in a reducing...respect to uranium and its products. The Koongarra deposit is a shallow system, both altered and weathered | | | Report (issue) | ANGOLA ANTIGUA AND BARBUDA ARGENTINA ARMENIA AUSTRALIA AUSTRIA AZERBAIJAN BAHAMAS BAHRAIN BANGLADESH...ARAB EMIRATES UNITED KINGDOM OF GREAT BRITAIN AND NORTHERN IRELAND UNITED REPUBLIC OF TANZANIA UNITED STATES...PAPERS PRESENTED Geology of the Kayelekera uranium deposit, Malawi..........................................legacy site remediation funding in Australiaās Northern Territory ...........................................evolution of stakeholder communication in Northern Australia ..................................... 207 | | | Journal (article/letter/editorial) | chemical weathering of the Coles Hill uranium deposit, Virginia J.L. Jerden Jr. a,*, A.K. Sinha a, L...profile developed over the Coles Hill uranium deposit demonstrate that uranium transport may be inhibited...times greater than the average ore grade of the deposit, indicating that the saturated saprolites are enriched...Based on estimates of weathering rates for this region, the processes responsible for the dispersal of...weathered zone overlying the Coles Hill uranium deposit, Virginia. At this site, millions of kilograms | | | 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...in Figure 22. In a-uranophane, boltwoodite, sklodowskite, and cuprosklodowskite the sheet contains an...(U01J(Si0 30H)J,(H,O). P, 7.052 9.267 6.655 sklodowskite Mg[( UO,)(S i030H) ],\ I !,OJ, Clim 17 .382...The structures of sklodowskite (Ryan and Rosenzweig 1977) and cuproā¢ sklodowskite (Rosenzweig and Ryan | | | 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) | 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 | Exploration Geoscience CSIRO Floreat Park, WA 6014, Australia H. ZEEGERS DƤpartement 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 fĆ¼r | | | Book | Ore Deposit Geology AND ITS INFLUENCE ON MINERAL EXPLORATION To ourfamilies Veronica, Rachael, Faith...preoccupied husbands andfathersfor three years Ore Deposit Geology AND ITS INFLUENCE ON MINERAL EXPLORATION...Pllhlisiled ill the USA h)' Chapman (Iml Hall 29 West 35th Street, ,\Iou York ,\IY1O()() I Ā© 1986 R....Cataloguing in Publication Data Edwards, Richard Ore deposit geology and its influence on mineral exploration...Publication Data Edwards, Richard, 1deposit geology and its influence on mineral exploration | | | 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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