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| . . . . . . . . . . . . . . . . Chapter 12 Romania .. . . . . . . . . . . . . . . . . . . . . . ..... . . . . . . . . . . . . . . . . . . . 12.2.1 Crucea District . . . . . . . . . . . . . . . . . . ....this are: Black U products: More or less sooty pitchblende or U adsorbed on carbonaceous matter. Clarke...of the World: Asia (Dahlkamp 2009). Uraninite/pitchblende: In this book uraninite is used for the macrocrystalline...distribution. Vein-Type Uranium Deposits Uraninite-pitchblende veins of early Middle Proterozoic age (ca. 1 |
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| material, mainly pitchblende. Typical examples range from the thick and massive pitchblende veins of Pribram...granite or metamorphic rocks, also filled with pitchblende of Mina Fe (Spain) and Singhbhum (India). 6....red-bed strata. Uraninite (commonly in the form of pitchblende) is the dominant uranium mineral in the monometallic...occurs as disseminated and massive uraninite/pitchblende in the fractures and breccia matrix. In contrast...720 Ma, bracketing it with the U-Pb age of the pitchblende at Ranger and the intrusion of 16 the Jimbu |
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| sediments associated with the Crucea uranium mine (East Carpathians, Romania) Assessment of metal availability...soils using chemical extractions (Zlatna area, Romania) L. PETRESCU1*, E. BILAL 2 AND L.E. IATAN1 L...Bucharest, Dep. of Mineralogy, Bucharest 010041, Romania (*correspondence: lucpet@geo.edu.ro) 2 Ecole Nationale...Rare Metals), mined over 1,200,000 tones of pitchblende ore in the East Carpathians. These intensive...operations have created over 30 solid mining dumps in Crucea-Botusana area (Bistrita Mountains). In this paper |
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| PHILIPPINES POLAND PORTUGAL QATAR REPUBLIC OF MOLDOVA ROMANIA RUSSIAN FEDERATION RWANDA SAINT VINCENT AND THE...Democratic Republic of the Congo Gabon Hungary Romania Tajikistan Bulgaria India Kyrgyzstan Spain Malawi...South Africa Malawi India Brazil Czech Republic Romania Pakistan Germany Iran, Islamic Rep. of 17 803...2012 2013 2014 2015 Deposit type Crucea-Botusana Romania 77 90 80 77 77 Metamorphite Ezulwini-Cooke...into the underlying basement. Uranium minerals (pitchblende, coffinite, U6+ minerals and less commonly brannerite) |
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| several countries, including Argentina, China and Romania, have been looking at low cost “milling” methods...production. Heap leaching was achieved in Argentina, Romania and Russian Federation. In Argentina, after improvement...precipitation of uranium from concentrated leach liquor. Romania conducted experiments on pelletized ore (crushed...sandy conglomerate. Uranium minerals include pitchblende (about 80%) and coffinite (about 20%), seldom...seldom brannerite, and U-Ti-bearing magnetite. Pitchblende is associated with pyrite. Adsorbed uranium is |
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| eum. Kosice. SLK; GIR = Geological Institute of Romania, Bucharest, ROM; GM= Gold Museum, Brad, ROM : GYV...data. Bogdan Marinescu (Geological lnstilllte of Romania): Necolai Terteleac (De. ign-Art-Foto. Bucharest):...Gheorghe llinca. Mihai Tatu (Geological lnstillltc of Romania, Bucharest): Marian Lupule cu (Univcr. ity of Bucharc...deposit. which partly extends southward i1110 Romania. Genetic Types of Mineral Occun·ences early all...of mineral assemblages during the Alpine ume in Romania has been discussed by fRiidule cu & Di mitre cu |
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| Udubaşa (1938, Ocnele Mari, Romania) Director of the Geological Institute of Romania, Bucharest; President...President of the Mineralogical Society of Romania; Member of the Commission for New Minerals and Mineral Names...and about 100 articles - one-third outside of Romania. Rudolf Duda (1944, Vojany, Slovakia) Head of the...Hungary (Sándor Szakáll) Poland (Ewa Kos/.owska) Romania (Gheorghe Udubasa) Slovakia (Rudolf Duda) Ukraine...Hungary (Sándor Szakáll), Poland (Ewa Kos/.owska). Romania (Gheorghe Udubasa), Slovakia (Rudolf Duda). Ukraine |
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| PHILIPPINES POLAND PORTUGAL QATAR REPUBLIC OF MOLDOVA ROMANIA RUSSIAN FEDERATION RWANDA SAINT LUCIA SAINT VINCENT...hosted uranium mining following the discovery of pitchblende in the 1930s. Three eras of production are described;...Complex Oxides Name Composition Uraninite / Pitchblende UO2 Coffinite U(SiO4)1-x(OH)4x Uranothorite...differential leaching of uranium, radium and lead from pitchblende in H2SO4 solutions, Economic Geology, 48 5 (1953)...dates back to the 1930s with the discovery of pitchblende. Uranium production has gone through three eras; |
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| PHILIPPINES POLAND PORTUGAL QATAR REPUBLIC OF MOLDOVA ROMANIA RUSSIAN FEDERATION RWANDA SAN MARINO SAUDI ARABIA...beds. Uranium occur as ultrafine granules of pitchblende associated with pyrite, molybdenite, covellite...settings for mineralization [5]. Coffinite and pitchblende are major uranium minerals. Borewells dug to...Uranoorganic complex with or without discernible pitchblende is the predominant uranium phase observed. In...unconformity. Primary uranium minerals like pitchblende, uraninite, coffinite and brannerite are identified |
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| Frailes incident in Spain (1998) and Baia Mare in Romania (2000). All of these incidents involved a failure...by the relatively insoluble U(IV) n1inerals pitchblende and coffinite, and by the U(V I) solids uranyl...Freital site was pitchblende associated with local coal deposits, but also pitchblende fro1n other Saxonian...ore. However, EXAFS spectra of seven natural pitchblende samples fro1u Erzgebirge and world\.Y ide sou...Matter and Trace Metals in an Uranium Rich Bog, Kern County, California, U.S.A. Appl Geochem l: 573590 Klessa |
