 | Meisser, N., Brugger, J., Ansermet, S., Thelin, P., Bussy, F. (2010) Francoisite-(Ce), a new mineral species from La Creusaz uranium deposit (Valais, Switzerland) and from Radium Ridge (Flinders Ranges, South Australia): Description and genesis. American Mineralogist, 95 (10) 1527-1532 doi:10.2138/am.2010.3413 | Journal (article/letter/editorial) | | Paralana Hot Springs (Brugger et al. 2005). The province contains many small Paleozoic hematite-U-CuNb-REE...and metaschoepite, soddyite, spriggite, meta-torbernite, uranophane-β, weeksite, and the new mineral...from the oxidation zone of the Bangombé natural fission reactor, Gabon, by Janeczek and Ewing (1996)....RDC (Piret et al. 1988) Françoisite-(Ce), Bangombé, Gabon (Janeczek and Ewing 1996) Françoisite-(Ce)...and economic geology of the Mount Painter province. Department of Mines, Geological Survey of South Australia |  | | Journal (article/letter/editorial) | | Deditius ⁎, Satoshi Utsunomiya 1, Rodney C. Ewing Department of Geological Sciences, University of Michigan...Deditius). 1 Current address. Kyushu University, Department of Chemistry, Ropponmatsu, 4-2-1, Chuou-ku, Fukuoka-shi...rabajacite roscoelite saleeite soddyite swamboite torbernite uranophane uranopilite vanuralite Ba[(UO2)(PO4)]2(H2O)6...composition of coffinite is from the U-deposits in Oklo, Gabon (e.g., Janeczek, 1999; Jensen and Ewing, 2001; Bros...has been reported in the natural reactor in Bangombé, Gabon, suggesting that coffinite may play an important |  | | Journal (article/letter/editorial) | | (uranophane and cuprosklodowskite), uranyl phosphates (torbernite and uranocircite), and uranyl arsenates (zeunerite...evolves to more acidic pH values, thereby reaching torbernite saturation. This is in agreement with observed...and in the destabilization of uranophane and torbernite. Since goethite precipitates even at low-pH values...pseudomorphs of goethite after both uranophane and torbernite, which are frequently observed at Menzenschwand...zeunerite, uranospinite) or phosphates (e.g., torbernite, uranocircite). Formation of uranyl minerals |  | | Journal (article/letter/editorial) | | phosphates (P5+ from the host-rocks), such as torbernite, Cu[(UO2)(PO4)]2(H2O)12, and arsenates (As5+...minerals – note the typical bipyramidal crystal of torbernite. Jáchymov. FOV 3.4 mm. All photos by P. Škácha...uranophane-beta from the Borborema Pegmatite Mineral Province, Brazil. J South Am Earth Sci 45: 160–165 Evins...recrystallization and Pb loss in the Oklo and Bangombé natural fission reactors, Gabon. Geochim Cosmochim Acta 69: 1589–1606...from uraninite in the natural fission reactors in Gabon. Geochim Cosmochim Acta 59: 1917–1931 Janeczek J |  | Števko, M., Uher, P., Ondrejka, M., Ozdín, D., Bačík, P. (2014) Quartz-apatite-REE phosphates-uraninite vein mineralization near Čučma (eastern Slovakia): a product of early Alpine hydrothermal activity in the Gemeric Superunit, Western Carpathians. Journal of GEOsciences, 59 (3) 209-222 | Journal (article/letter/editorial) | | UHER, Martin ONDREJKA, Daniel OZDÍN, Peter BAČÍK Department of Mineralogy and Petrology, Faculty of Natural...goethite, goyazite, opal, plumbogummite, and 210 torbernite (Rojkovič 1993, 1997; Rojkovič et al. 1999; Uher...like autunite to meta-autunite, goethite, opal, torbernite and unaltered relicts of primary monazite-(Ce)...siogenic REEs from a natural fission reactor at Bangombé, Gabon. Amer Miner 81: 1263–1269 Kohút M, Stein H |  | Zamyatin, Dmitry A., Shchapova, Yuliya V., Votyakov, Sergey L., Nasdala, Lutz, Lenz, Christoph (2017) Alteration and chemical U-Th-total Pb dating of heterogeneous high-uranium zircon from a pegmatite from the Aduiskii massif, middle Urals, Russia. Mineralogy and Petrology, 111 (4) 475-497 doi:10.1007/s00710-017-0513-3 | Journal (article/letter/editorial) | | ursilite and autunite). An example for the PL of torbernite Cu[(UO2)(PO4)]2(H2O)12, a autunitegroup uranyl...pipe, Yakutia) and an uranyl-containing mineral (torbernite). Asterisks mark Raman bands, arrows are used...pipe, Yakutia) and the uranylcontaining mineral torbernite. Asterisks mark bands in spectra of altered zones...comparison. The most intensive Raman band of torbernite consists of several sub bands with a maximum...the symmetric stretching of ν 1 (UO 2 ) 2+ in torbernite (Frost 2004; Driscoll et al. 2014). Raman spectra |  | | Report (issue) | | deposits of Mas Laveyre (France) and Mikouloungou (Gabon). 5 3. Hematite breccia complex deposits: Deposits...(Uzbekistan). • Tectonic-lithologic type — Mikouloungou (Gabon) and Mas Lavayre, Lodève district (France). • ...within the Kendyktas-Tchou-Ili-Betpak-Dala U-Cu province, which is limited by alpine regional faults. Tectonically...affected the Kendyktas structural-metallogenic province: • • • ductile and brittle deformation of the...sediments. The Kendyktas structural-metallogenic province is divided into two sedimentary zones: (a) the |  | Švecová, E., Čopjaková, R., Losos, Z., Škoda, R., Nasdala, L., Cícha, J. (2016) Multi-stage evolution of xenotime–(Y) from Písek pegmatites, Czech Republic: an electron probe micro-analysis and Raman spectroscopy study. Mineralogy and Petrology, 110 (6) 747-765 doi:10.1007/s00710-016-0442-6 | Journal (article/letter/editorial) | | Chakhmouradian * Z. Losos losos@sci.muni.cz 1 Department of Geological Sciences, Faculty of Science, Masaryk...rutile, scheelite, pyrochlore-group minerals, torbernite and kahlerite (Škoda et al. 2011). Pharmacosiderite...Oklo-Okélobondo and Bangombé natural nuclear reaction zones (Franceville basin, Gabon). Chem Geol 171:147–171 |  | Munasinghe, P. Sumudu, Elwood Madden, Megan E., Brooks, Scott C., Elwood Madden, Andrew S. (2015) Dynamic interplay between uranyl phosphate precipitation, sorption, and phase evolution. Applied Geochemistry, 58. 147-160 doi:10.1016/j.apgeochem.2015.04.008 | Journal (article/letter/editorial) | | 2002. U 6+phases in the weathering zone of the Bangombé U-deposit: observed and predicted mineralogy....Top, L.M., 2009. Dissolution kinetics of meta-torbernite under circum-neutral to alkaline conditions. |  | | Report (issue) | | well-known Oklo sandstone-type uranium deposits of Gabon, which formed at ca. 2.1 Ga, are best explained...reactors in the Paleoproterozoic Franceville Basin (Gabon)..................................................38400 St. Martin d’Heres, France Allan J. Hall* Department of Archaeology, University of Glasgow, G12 8QQ...Greenstone Belts (3.8 to 2.7 Ga) N.V. Grassineau* Department of Geology, Royal Holloway, University of London...London, Egham, Surrey TW20 0EX, UK P. Abell† Department of Chemistry, University of Rhode Island, Kingston |  | | Report (issue) | | CHAPTER 1: INTRODUCTION Kurt Kyser Department of Geological Sciences and Geological Engineering, Queen’s...Bay Basin in Canada and the Franceville Basin in Gabon, but at the boundary between sandstone and grey...the oldest deposits from the Franceville Basin in Gabon. Some of these latter deposits preserve the effects...ADMINISTRATION (2007): International Energy Outlook 2007. Department of Energy, Washington, D.C., www.eia.doe.gov/...EXPLORATION AND DISCOVERY OF DEPOSITS Kurt Kyser Department of Geological Sciences and Geological Engineering |  | | Book | | comparatively water soluble. Common examples are torbernite ((Cu(UO2)2(PO4)2•10–12H2O); Fig. 2.31), uranocircite...hydrothermal veins (Sect. 4.1), pegmatites Fig. 2.31 Torbernite from Lachaux (France) (photo F. Neukirchen/Mineralogical...fallback breccia (Onaping Formation) Superiour Province Sudbury Igneous Complex granophyre gabbro / norite...(photo © NASA) Huronian Supergroup Grenville Province Onwatin Fm. Vermilion Fm. Zn-Pb-Cu (hydrothermal)...complex there is Archean gneiss of the Superior Province and to the south there are basalt, gabbro, granite |
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