 | Dubois, Manon, Lopez, Michel, Orberger, Beate, Gay, Aurélien, Moussavou, Mathieu, Pambo, Florent, Rodrigues, Sophie (2017) The 2.1 Ga-old injectite network of the Franceville Basin, Gabon: Architecture, origin and implications on manganese mineralization. Precambrian Research, 302. 255-278 doi:10.1016/j.precamres.2017.09.022 | Journal (article/letter/editorial) | | 1Ga-old injectite network of the Franceville Basin, Gabon: Architecture, origin and implications on manganese...1Ga-old injectite network of the Franceville Basin, Gabon: Architecture, origin and implications on manganese...1Ga-old injectite network of the Franceville Basin, Gabon: Architecture, origin and implications on manganese... Franceville, Gabon e COMILOG SA- Société du groupe Eramet, B.P. 27-28 Moanda, Gabon Bulletin: Precambrian...drill-core sections in the 2.1-Gaold Franceville basin, Gabon, provide evidence for a large-scale injectite network |  | Bankole, Olabode M., El Albani, Abderrazak, Meunier, Alain, Gauthier-Lafaye, François (2015) Textural and paleo-fluid flow control on diagenesis in the Paleoproterozoic Franceville Basin, South Eastern, Gabon. Precambrian Research, 268. 115-134 doi:10.1016/j.precamres.2015.07.008 | Journal (article/letter/editorial) | | Paleoproterozoic Franceville Basin, South Eastern, Gabon Olabode M. Bankole a,∗ , Abderrazak El Albani a...Basin Gabon a b s t r a c t The Paleoproterozoic (∼2.15 Ga) Franceville Basin, South Eastern Gabon, is...Franceville Basin (Fig. 1), located in south-eastern Gabon, represents one of the world oldest petroleum systems...Regional geological map of Franceville Basin in Gabon (Ossa et al., 2013) that shows location of the study...Lastoursvilles, and Okonja basins in the South Eastern Gabon (Gauthier-Lafaye and Weber, 1989, 2003; Gauthier-Lafaye |  | | Journal (article/letter/editorial) | | PRIMARY URANINITE Ryan SHARPE§ and Mostafa FAYEK Department of Geological Sciences, 240 Wallace Building...site of the first discovery of the mineral in the province (Paul 1984). The pegmatite was characterized by...and Canada) and the natural nuclear reactors in Gabon. The final phase was made possible by the rise of...2009, 2010, Cuney & Kyser 2009). The Superior Province of the Canadian Shield is one of the oldest cratons...Archean craton on Earth. The western Superior Province is divided into a series of east–west-trending |  | | Journal (article/letter/editorial) | | Abstract: The mineralized quartz veins contain muscovite, chlorite, zircon, monazite, ferberite, hübnerite...using a Jeol electron-microprobe JX8600 at the Department of Earth Sciences, University of Bristol, U.K...veins are brecciated and composed of quartz, some muscovite, chlorite, pyrite, Fe oxy- 185 hydroxides, saleeite...contact with muscovite, chlorite and some pyrite. Quartz fractures are locally filled with muscovite, chlorite...quartz grains, but also as inclusions in quartz, muscovite and Fe oxyhydroxides. It is anhedral with an average |  | | Book | | spark; and George Dials, nuclear engineer and Department of Energy—Carlsbad Office manager, who cleared...geologic disposal of anthropogenic nuclear waste Department of Geography, David J. Mossman* Mount Allison...New South Wales 2006, Australia Ralf Briining Department of Physics, Mount Allison University, 67 York...geologic disposal sites. Indications are that at Oklo, Gabon, carbonaceous substances have combined to restrain...INTRODUCTION The Proterozoic Franceville Series of Gabon consists of a 1— 4-km-thick succession of mainly |  | | Journal (article/letter/editorial) | | Birger Rasmussen a,⁎, Janet R. Muhling b a b Department of Applied Geology, Curtin University of Technology...brines has been reported from the Franceville basin, Gabon (Mathieu et al., 2001), where alteration is associated...Witwatersrand goldfields are the world's largest gold province (Frimmel and Minter, 2002). Most of the gold occurs...matrix of finegrained phyllosilicates, including muscovite, chlorite, pyrophyllite and chloritoid. The reefs...assemblages, which include pyrophyllite, chloritoid, muscovite, chlorite and quartz, in different rock types |  | Yuan, Feng, Jiang, Shao-Yong, Liu, Jiajun, Zhang, Shuai, Xiao, Zhibin, Liu, Gang, Hu, Xiaojia (2019) Geochronology and Geochemistry of Uraninite and Coffinite: Insights into Ore-Forming Process in the Pegmatite-Hosted Uraniferous Province, North Qinling, Central China. Minerals, 9 (9) 552 doi:10.3390/min9090552 | Journal (article/letter/editorial) | | Ore-Forming Process in the Pegmatite-Hosted Uraniferous Province, North Qinling, Central China Feng Yuan 1 , Shao-Yong...low-grade, large-tonnage pegmatite-hosted uraniferous province. Uraninite is predominant and ubiquitous ore mineral...Guangshigou biotite pegmatites in this uraniferous province reveal the primary magmatic U mineralization and...timing of U mineralization in the uraniferous province was constrained at 407–415 Ma, confirming an Early...composition; Shangdan pegmatite-hosted uraniferous province 1. Introduction There is an increased demand |  | | Journal (article/letter/editorial) | | MISHRA1,* AND AIVELIAGARAM V. JEYAGOPAL2 1 2 Department of Geology and Geophysics, Indian Institute of...associated with uranium deposits in the Grenville province, Canada. Recent studies of secondary phases at...chlorite, albitic plagioclase, rare K-feldspar and muscovite/sericite. Accessory phases include uraninite,...grain boundaries (e.g. Fig. 2c). K-feldspars and muscovite/sericite in the sample are very rare, and are...samples for this study belong to borehole #SMK–5. Department of Geology and Geophysics, at the Indian Institute |  | Wang, Jian, Sun, Zhanxue, Li, Guangrong, Liu, Yajie, Zhou, Zhongkui, Wang, Xuegang, Zheng, Zhihong, Zhou, Yipeng, Zhao, Kai, Xiang, Ling, Wei, Jiaxin (2020) Geochemistry and Acid Hydrometallurgy Accessibility of Uraninite from Mianhuakeng Granite-Hosted Uranium Deposit, South China. Minerals, 10 (9) 747 doi:10.3390/min10090747 | Journal (article/letter/editorial) | | granites, is located in the northern Guangdong Province of South China. The MHK deposit is located in...grained biotite-muscovite granite; 3—Medium-grained 2—Medium-fine grained biotite-muscovite granite; 3—Medium-grained...(porphymic) biotite-muscovite granite; 4—Medium-grained (porphymic) biotite-muscovite granite; 5—Medium-coarse...Mianhuakeng uranium deposit, Northern Guangdong Province, China: Constraint on the metallogenic mechanism...Xiazhuang and Zhuguang ore fields, North Guangdong Province, SE China: Insights from mineralogical, trace |  | | Report (issue) | | deposits of Mas Laveyre (France) and Mikouloungou (Gabon). 5 3. Hematite breccia complex deposits: Deposits...sequence at Jabiluka consists of alternating quartz–muscovite–chlorite schist, quartz–chlorite schist, quartz–graphite...(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 |  | Ling, Sixiang, Wu, Xiyong, Ren, Yong, Sun, Chunwei, Liao, Xin, Li, Xiaoning, Zhu, Baolong (2015) Geochemistry of trace and rare earth elements during weathering of black shale profiles in Northeast Chongqing, Southwestern China: Their mobilization, redistribution, and fractionation. Geochemistry, 75 (3) 403-417 doi:10.1016/j.chemer.2015.07.004 | Journal (article/letter/editorial) | | Southwest Jiaotong University, Chengdu, Sichuan Province 611756, PR China Moe Key Laboratory of High-speed...Southwest Jiaotong University, Chengdu, Sichuan Province 610031, PR China c School of Civil Engineering...University of Science and Technology, Mianyang, Sichuan Province 621010, PR China b a r t i c l e i n f o Article...Cambrian black shale in northeastern Chongqing Province, Southwestern China. In this small catchment,...exposure near Chengkou County, northeastern Chongqing Province, China. This site crosses the two first-level tectonic |  | Škácha, P., Goliáš, V., Sejkora, J., Plášil, J., Strnad, L., Škoda, R., Ježek, J. (2009) Hydrothermal uranium-base metal mineralization of the Jánská vein, Březové Hory, Příbram, Czech Republic: lead isotopes and chemical dating of uraninite. Journal of GEOsciences, 54 (1) 1-13 | Journal (article/letter/editorial) | | 43 Prague 2, Czech Republic; skachap@volny.cz Department of Mineralogy and Petrology, National Museum...8.9 standard age error is expressed as 2σ. muscovite 338.6 ± 0.5, 339 ± 0.6 Ma). It indicates that...recrystallization and Pb loss in the Oklo and Bangombé natural fission reactors, Gabon. Geochim Cosmochim Acta 69: 1589–1606...and geochemistry of natural fission reactors in Gabon. In: Burns PC, Finch R (eds) Uranium: Mineralogy |  | 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...grey-green porphyroblastic to gneissic biotite–muscovite metapelites, quartzites and quartzite gneisses...quartz contains minute veinlets and aggregates of muscovite, Fe-oxide phase (hematite or magnetite), and uraninite...the Čučma REE–U mineralization. They include muscovite (fuchsite) K–Ar dating from siderite hydrothermal...Bagdasaryan et al. 1977; Cambel et al. 1990), and muscovite K–Ar dating of the Hnilec granite (195 to 210 |  | | Journal (article/letter/editorial) | | Potsdam, Germany Martin ONDREJKA and Pavel UHER Department of Mineralogy and Petrology, Faculty of Natural...silicification, and the formation of secondary albite, muscovite, topaz, and fluorite. Subsequent greisenization...in the Erzgebirge–Slavkovský les metallogenic province. In Phanerozoic Metallogenesis in Europe (D. Rickard...fissiogenic REEs from a natural fission reactor at Bangombé, Gabon. Am. Mineral. 81, 1263-1269. Johan, V. & Johan... (2005): La carrière de Hourt, Grand Halleux, Province de Luxembourg, Belgique. Mag. du 4M 26, 5-7. |  | 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...albite unit (albite, quartz, ± tourmaline and muscovite), which contains most of accessory minerals, is...and albite, the pegmatites consist of biotite > muscovite and tourmaline (schorl-dravite and rarely foitite)...replacement of associated tourmaline by K-feldspar, muscovite and chlorite. Tourmaline (schorldravite) is a...PR (1998) Transmission electron microscopy of muscovite alteration of tourmaline. Am Mineral 83:535–541 |  | | Journal (article/letter/editorial) | | Materials Authority, P.O. 530 El-Maadi, Cairo, Egypt Department of Geology, Faculty of Science, Ain Shams University...quartz, K-feldspar, plagioclase, biotite and muscovite. Apatite, zircon, titanite and ilmenite are observed...sandstones beneath a natural fission reactor at Bangombé, Gabon. Geochim. Cosmochim. Acta 69, 685–694. Hsieh |  | Liu, Deliang, Shi, Rendeng, Ding, Lin, Huang, Qishuai, Zhang, Xiaoran, Yue, Yahui, Zhang, Liyun (2017) Zircon U–Pb age and Hf isotopic compositions of Mesozoic granitoids in southern Qiangtang, Tibet: Implications for the subduction of the Bangong–Nujiang Tethyan Ocean. Gondwana Research, 41. 157-172 doi:10.1016/j.gr.2015.04.007 | Journal (article/letter/editorial) | | Chinese Academy of Sciences, Beijing 100101, China Department of Earth Sciences, The University of Hong Kong...in the three-river area in the western Yunnan province to the east. The magmatism is calc-alkaline in...magmatic belt. Bt = biotite, Hbl = hornblende, Mus = muscovite, Qtz = quartz, Kfs = potassium feldspar, Plg =...basement are two-mica granites with Al-rich mineral muscovite, thus they belong to S-type granites. Please...segment of the Famatinian magmatic arc, La Pampa Province, Argentina. Gondwana Research 17, 662–675. Chu |  | | Journal (article/letter/editorial) | | Institute of the KSC RAS, Apatity, Russia b Department of Geography, Hertzen University, Saint Petersburg...Chervurta Formation, muscovite– quartz schists of the Vukchurta Formation, and biotite– muscovite–quartz schists...Oklo–Okélobondo and Bangombé natural nuclear reaction zones (Franceville basin, Gabon): Chemical Geology |  | Stille, P., Pierret, M.-C., Steinmann, M., Chabaux, F., Boutin, R., Aubert, D., Pourcelot, L., Morvan, G. (2009) Impact of atmospheric deposition, biogeochemical cycling and water–mineral interaction on REE fractionation in acidic surface soils and soil water (the Strengbach case) Chemical Geology, 264 (1) 173-186 doi:10.1016/j.chemgeo.2009.03.005 | Journal (article/letter/editorial) | | radiogenic Sr isotopic compositions such as biotite or muscovite. However, the new Sr–Nd isotope data of HCl (L2)...bassin versant forestier du Strengbach à Aubure (Haut-Rhin). Rapport Scientifique Activités de Recherche...proximate to the natural fission reactor at Bangombé (Gabon). Chem. Geol. 198, 289–304. Stille, P., Steinmann |  | Lahtinen, Raimo, Huhma, Hannu, Lahaye, Yann, Kontinen, Asko, Kohonen, Jarmo, Johanson, Bo (2013) Long-lived LREE mobility in the cratonic, rift and foredeep to foreland sedimentary cover at the western margin of the Karelia Province. Lithos, 175. 86-103 doi:10.1016/j.lithos.2013.05.003 | Journal (article/letter/editorial) | | sedimentary cover at the western margin of the Karelia Province Raimo Lahtinen ⁎, Hannu Huhma, Yann Lahaye, Asko...s t r a c t The western margin of the Karelia Province of the Fennoscandian Shield consists of Archean...(Gaboreau et al., 2005) and the Franceville basin in Gabon (Cuney and Mathieu, 2000; Mathieu et al., 2001)...al., 2007). The western margin of the Karelia Province of the Fennoscandian Shield is comprised of Archean...framework of the western margin of the Karelia Province. As all the studied sedimentary rocks are metamorphosed |  | | Journal (article/letter/editorial) | | Chemistry and textures of magmatic epidote and muscovite in a tonalite pegmatite, North Cascades, USA ...oxide, and rare garnet. Multiple generations of muscovite and epidote are present. Large epidote crystals...epidote, and partly replaced by medium grained muscovite. The largest epidote crystals are ~13 cm long...element work using LA-ICP-MS is in progress. Muscovite shows at least 5 textural groups and complex chemistry...versus Si almost completely discriminate the muscovite groups. Early magmatic Fe-poor epidote apparently |  | | Journal (article/letter/editorial) | | Mikutta et al. (2009) GCA 73, 2034!2060. 1 Department of Chemistry, Michigan State University, East...(*correspondence: kalinich@chemisry.msu.edu) 2 Department of Geological Sciences, Michigan State University...University, East Lansing, MI 48824 3 Department of Materials Science and Engineering, Univeristy of Maryland...minerals EIGO KAMIISHI AND SATOSHI UTSUNOMIYA Department of Chemistry, Kyushu University, Fukuoka 8128581...Microbiology, D-28359 Bremen, Germany 2 Present address: Department of Geology, University of Maryland, College Park |  | | 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 |  | | 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 |  | 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) | | probe microanalysis (EPMA). An unground book of muscovite mica was embedded, polished, and analyzed at 20...percent. The estimated chemical formula for the muscovite mica based on the electron microprobe data is...2002. U 6+phases in the weathering zone of the Bangombé U-deposit: observed and predicted mineralogy. |
|
