 | 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) | | precipitation of minor amounts of siderite, chalcopyrite, sphalerite, Se-bearing 1527 1528 MEISSER...clinochlore ± chamosite, coffinite, arsenopyrite, chalcopyrite, minor Ag-poor lillianite (AgxPb3–3xBi2+2xS6...Oxidation of the sulfides (mainly pyrite and chalcopyrite) in the presence of strong bacterial activity...Paralana Hot Springs (Brugger et al. 2005). The province contains many small Paleozoic hematite-U-CuNb-REE...from the oxidation zone of the Bangombé natural fission reactor, Gabon, by Janeczek and Ewing (1996). |  | 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 |  | | Journal (article/letter/editorial) | | pyrrhotite (a typical nonstoichiometric compound) and chalcopyrite (proved by NRG to contain both bivalent and...152-8551, Japan (ueno.y.ac@m.titech.ac.jp) 2 Department of Applied Chemistry, Tokyo Institute of Technology...Technology, Meguro, Tokyo, 152-8551, Japan 3 Department of Environmental Science and Technology, Tokyo Institute...ULMER1*, O. MÜNTENER2 AND R. ALONSO PEREZ1 1 Department of Earth Sciences, ETH-Zurich, CH-8092 Zurich...MEKALA1 AND M.J. WHITEHOUSE2 M.J. UNSWORTH 1 Department of Earth Sciences, Laurentian University, Sudbury |  | René, Miloš, Dolníček, Zdeněk, Sejkora, Jiří, Škácha, Pavel, Šrein, Vladimír (2019) Uraninite, Coffinite and Ningyoite from Vein-Type Uranium Deposits of the Bohemian Massif (Central European Variscan Belt) Minerals, 9 (2) 123 doi:10.3390/min9020123 | Journal (article/letter/editorial) | | Czech Republic, 182 09 Prague, Czech Republic Department of Mineralogy and Petrology, National Museum... Ca—apatite (Ca Kα ), Ce—CePO4 (Ce Lα ), Cu—chalcopyrite (Cu Kα ), Dy—DyPO4 (Dy Lβ ), Er—ErPO4 (Er Lα...coffinites occurred in a natural fission reactor at Bangombé, Gabon (up to 8.9 wt % P2 O5 ) [58] and in the Khianga...P and Cavaried in the from coffinite from Bangombé (Gabon) solid recordedbetween in coffinites fromand...shear-zone hydrothermal fission reactor at Bangombé, Gabon (up to 8.9Rožná) wt % P[10]. 2O5) [58] and |  | | Journal (article/letter/editorial) | | deposit of the Shuikoushan mineral district, Hunan Province, China— Nanshi Zeng, E. Izawa, Y. Motomura, and...Evidence for a Cambrian diamondiferous alkaline province in northeastern North America—Stéphane Digonnet...around natural fission reactors at Oklo and Bangombé, Gabon —Hiroshi Hidaka and François Gauthier-Lafaye...analyses of the alteration products of bornite, chalcopyrite and pyrite performed by XPS, AES, RBS—G. Pratesi...metasomatites of the Epembe-Swartbooisdrif Alkaline province, northwest Namibia— V. von Seckendorff, K. Drüppel |  | | Journal (article/letter/editorial) | | deposits and thereby determine long-term rates 1 Department of Geology, FCFM, Universidad de Chile Plaza...anions. There is a simultaneous breakdown of chalcopyrite (CuFeS2), which produces soluble Cu2+ ions that...Cu in the hypogene sulfides (pyrite (FeS2 ), chalcopyrite (CuFeS2 ), and bornite (Cu5FeS 4). The secondary...deposits occur in Australia. In the Hamersley province of Western Australia, there are channel iron deposits...famous ~2 billion-year-old Oklo uranium deposit (Gabon), considered a natural fission reactor, have provided |  | Kirchenbaur, Maria, Maas, Roland, Ehrig, Kathy, Kamenetsky, Vadim S., Strub, Erik, Ballhaus, Chris, Münker, Carsten (2016) Uranium and Sm isotope studies of the supergiant Olympic Dam Cu–Au–U–Ag deposit, South Australia. Geochimica et Cosmochimica Acta, 180. 15-32 doi:10.1016/j.gca.2016.01.035 | Journal (article/letter/editorial) | | within a granite of the 1.59 Ga Gawler Silicic Province. Emerging evidence indicates that both the breccia...and apatite. The major sulphides are pyrite, chalcopyrite, bornite, chalcocite (e.g., chalcocite, digenite...→ barite, (3) sphalerite→ galena → pyrite → chalcopyrite → bornite → chalcocite → nonsulfide, and (4)...fluorite, siderite, barite, chalcocite, bornite, chalcopyrite and pyrite. Absolute abundances and relative...apatite, zircon, xenotime, monazite, pyrite, chalcopyrite, bornite, chalcocite. Given that hematite is |  | | Journal (article/letter/editorial) | | Oklo–Okélobondo and Bangombé natural nuclear reaction zones (Franceville basin, Gabon)—Régis Mathieu, Lena...at the Zenith deposit, Southwestern Grenville Province, Renfrew area, Ontario, Canada—S. Salvi 77 CONTRIBUTIONS...precious-metal ores in the western Mediterranean province (Cévennes, France - Sardinia, Italy)— P. Béziat...R. Oyarzun B121 Agua Rica prospect, Catamarca province, Argentina: An example of deposit evaluation based...pegmatites of the eastern Brazilian pegmatite province—G. Morteani, C. Preinfalk, and A.H. Horn Petrography |  | Macmillan, Edeltraud, Cook, Nigel J., Ehrig, Kathy, Ciobanu, Cristiana L., Pring, Allan (2016) Uraninite from the Olympic Dam IOCG-U-Ag deposit: Linking textural and compositional variation to temporal evolution. American Mineralogist, 101 (6) 1295-1320 doi:10.2138/am-2016-5411 | Journal (article/letter/editorial) | | found in “natural fisson reactors” such as Oklo (Gabon; Janeczek and Ewing 1995), but PbO contents of 7–10...South Australia) is part of the Olympic Cu-Au-(U) province in the eastern Gawler Craton (e.g., Skirrow et...lateral (from periphery to center) as: chalcopyrite-pyrite, chalcopyrite-bornite, bornite-chalcocite, and chalcocite;...chalcocite, bornite, and chalcopyrite (XMOD data); and (d) pyrite, bornite, and chalcopyrite (XMOD data). analytical...fine-grained “dusting” of U-minerals (in hematite or chalcopyrite) S3 RX7255 RD1305 691.0 364 2 16 82 GRNL Fine-grained |  | | Report (issue) | | deposits of Mas Laveyre (France) and Mikouloungou (Gabon). 5 3. Hematite breccia complex deposits: Deposits...chlorite. Sulphides include pyrite with lesser chalcopyrite and galena. Major gangue minerals are chlorite...(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 |  | | Journal (article/letter/editorial) | | context of the geological evolution of the Paterson Province, Western Australia David L. Huston 1 & Roland...mudstones of the Paleo- to Neoproterozoic Paterson Province, Western Australia, has features that have led...significant ore deposit in the Neoproterozoic Paterson Province of Western Australia (Fig. 1). This deposit (Fig...northeastern, steep limb (Fig. 2). Moreover, some chalcopyrite is closely associated with a moderately to strongly...data for hydrothermal apatite extracted from chalcopyrite-bearing apatite veins mostly in the structural |  | | Journal (article/letter/editorial) | | coffinite globules Brannerite associated with chalcopyrite and hematite; coffinite globules typically discrete...some cases these coffinite globules nucleate on chalcopyrite into quartz grains Bladed brannerite found surrounding...in quartz/sericite, sometimes associated with chalcopyrite or galena; minor coffinite globules on edges...hematite and sericite; some brannerite blebs in chalcopyrite Coffinite globules in sericite/fluorite/ carbonates...in a matrix of siderite (Sd), fluorite (Fl), chalcopyrite (Ccp) and hematite (Hem). Area outlined by white |  | | 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...grain. Note the presence of quartz, chlorite and chalcopyrite (cpy) in some of the relict monazite grains...also inclusions of zircon and sulfides (pyrite, chalcopyrite, sphalerite, arsenopyrite and galena) within |  | | Journal (article/letter/editorial) | | Zhangjiakou and Yixian formations, northern Hebei province, with a discussion on the age of the Xing’anling...mineralisation at Tarcoola, central Gawler gold province, South Australia—A.R. Budd and G.L. Fraser 621...for a pre-impact Sudbury dome, southern Superior province, Canada—Stephen A. Prevec, Duncan R. Cowan, and...northwestern Hearne domain, Western Churchill province, Canada—Kate MacLachlan, William J. Davis, and...source of late Archean arc lavas from the Superior Province, Canada—Ali Polat and Carsten Münker 85 CHEMIE |  | | Journal (article/letter/editorial) | | specific features in the sulfide-rich (pyrite, chalcopyrite) Menzenschwand deposit, we conducted thermodynamic...contain uraninite II associated with pyrite, chalcopyrite, tetraedrite, sphalerite, and galena (Schatz...phosphates at the natural fission reactor at Bangombé (Gabon), where uranyl phosphates contain high amounts...reaction with FeAs2. high enough, reaction with chalcopyrite can lead to precipitation of Cu-uranyl phosphates...proximate to the natural fission reactor at Bangombé (Gabon). Chemical Geology, 198, 289–304. Takahashi |  | | Journal (article/letter/editorial) | | weathering of basic sulfides (pyrite, marcasite, chalcopyrite, pyrrhotite and arsenopyrite), when the vein...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...Among the ore minerals pyrite, arsenopyrite, chalcopyrite, galena, and molybdenite occur in small quantities...siogenic REEs from a natural fission reactor at Bangombé, Gabon. Amer Miner 81: 1263–1269 Kohút M, Stein H |  | Molnár, Ferenc, O’Brien, Hugh, Stein, Holly, Cook, Nick (2017) Geochronology of Hydrothermal Processes Leading to the Formation of the Au–U Mineralization at the Rompas Prospect, Peräpohja Belt, Northern Finland: Application of Paired U–Pb Dating of Uraninite and Re–Os Dating of Molybdenite to the Identification of Multiple Hydrothermal Events in a Metamorphic Terrane. Minerals, 7 (9) 171 doi:10.3390/min7090171 | Journal (article/letter/editorial) | | amounts of pyrrhotite, pyrite, pentlandite, chalcopyrite, galena, molybdenite, and titanite. Ductile...nickeline with rare cobaltite, pyrite, pyrrhotite, chalcopyrite, molybdenite, and Bi-telluride minerals, precipitated...minerals include cobaltian pentlandite, galena, chalcopyrite, molybdenite, Se-rich tetradymite, native bismuth...from the east Qinling molybdenum belt, Shaanxi Province, China. Econ. Geol. 1997, 92, 827–835. [CrossRef]...recrystallization and Pb loss in the Oklo and Bangombé natural fission reactors, Gabon. Geochim. Cosmochim. Acta 2005 |  | | 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 |  | 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...ilmenite, danalite, helvine, arsenopyrite, pyrite, chalcopyrite and molybdenite (Bouška and Johan 1972; Cícha...Oklo-Okélobondo and Bangombé natural nuclear reaction zones (Franceville basin, Gabon). Chem Geol 171:147–171 |  | | 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 |  | | Journal (article/letter/editorial) | | FARLEY2, J.D. WALKER1 1 AND T.J. BLACKBURN 1 Department of Geology, University of Kansas, 120 Lindle...source by underplated mafic magma J. MICHAEL PALIN Department of Geology, University of Otago, Dunedin, New...zircon from the Franceville series at Bidoudouma, Gabon L. NASDALA Johannes Gutenberg-Universität, Mainz...HORIE1, H. HIDAKA1 AND F. GAUTHIER-LAFAYE2 1 Department of Earth and Planetary Systems Science, Hiroshima...Franceville basin in Gabon includes unique uranium deposits at Oklo, Okelobondo and Bangombé that are known |  | | Journal (article/letter/editorial) | | SOUZA4, M.X. REINHOLDT5 6 AND R.J. KIRKPATRICK 1 Department of Chemistry, Michigan State University, East...Lansing, MI 48824 (kalinich@chemisry.msu.edu) 2 Department of Materials Science and Engineering, Univeristy...KASANZU*, M.A.H. MAKENYA, H. MABOKO AND S. MANYA Department of Geology, University of Dar es Salaam, P.O...Buildings, West Mains Road, Edinburgh EH9 3JW, UK 2 Department of Earth Sciences, University of Bristol, Wills...Theoretical Geophysics, University of Cambridge, UK 2 Department of Earth Science, University of Oxford, UK (Richard |  | | Book | | only cover the ore minerals themselves such as chalcopyrite, sphalerite, and magnetite, but also the respective...Fig. 1.1 Massive ore with galena (gray) and chalcopyrite (brass) from the Friedrich-Christian Mine in...(e.g., pyrite, pyrrhotite, arsenopyrite, and chalcopyrite) iron is the most common metal, but it ends...Introduction Selected Ore Minerals 1.2.1 Sulfides Chalcopyrite CuFeS2 (Fig. 1.2). Crystal system Tetragonal...Metallic Streak color Grayish black Fig. 1.2 Chalcopyrite on quartz. Silberwiese Mine, Oberlahr, Westerwald |
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