 | 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...distinct generations of the precipitated illite and chlorite suggesting their precipitation from a near equilibrium...crystallized authigenic minerals aside illite and Fe-rich chlorite clay minerals. The mineralogical assemblages and...Franceville Basin (Fig. 1), located in south-eastern Gabon, represents one of the world oldest petroleum systems |  | | Journal (article/letter/editorial) | | 155–174 Hydrothermal and supergene clays of the Oklo natural reactors: conditions of radionuclide release...surrounding two natural fission reactors of the Oklo deposit. In the deeply preserved reactor 10 Ž450...Elsevier Science B.V. All rights reserved. Keywords: Oklo; Nuclear waste; Clays; Weathering; O-isotopes; Fission...fission reactors located in the uranium deposits of Gabon constitute an unique opportunity to study the long...have been recognised in the Oklo open pit and in the deeper Oklo–Okelobondo mine Ž200–600 m deep.. In the |  | Ossa Ossa, Frantz, Hofmann, Axel, Vidal, Olivier, Kramers, Jan D., Agangi, Andrea, Belyanin, Georgy A., Mayaga-Mikolo, Francis (2014) Hydrothermal clay mineral formation in the uraniferous Paleoproterozoic FA Formation, Francevillian basin, Gabon. Precambrian Research, 246. 134-149 doi:10.1016/j.precamres.2014.03.003 | Journal (article/letter/editorial) | | Paleoproterozoic FA Formation, Francevillian basin, Gabon Frantz Ossa Ossa a,∗ , Axel Hofmann a , Olivier...Georgy A. Belyanin a , Francis Mayaga-Mikolo c a Department of Geology, University of Johannesburg, Auckland...Ministère de l’Industrie et des Mines, Libreville, Gabon b a r t i c l e i n f o Article history: Received...Formation of the Francevillian basin, south-east Gabon, which hosts high-grade U ore deposits associated...succession (Cortial ∗ Corresponding author at: Department of Geology, University of Johannesburg, APK Campus-C1 |  | Beaufort, D., Patrier, P., Laverret, E., Bruneton, P., Mondy, J. (2005) Clay Alteration Associated with Proterozoic Unconformity-Type Uranium Deposits in the East Alligator Rivers Uranium Field, Northern Territory, Australia. Economic Geology, 100 (3) 515-536 doi:10.2113/gsecongeo.100.3.515 | Journal (article/letter/editorial) | | Kombolgie sandstones and metamorphic phengite and chlorite in the basement rocks. The time-space alteration...minerals + chlorite ± apatite deeper in the basement; and (2) late precipitation of chlorite in the open...other diagenetic and metamorphic illite and/or chlorite. Hydrothermal illite can be distinguished from...content. The hydrothermal chlorite is distinguished from the metamorphic chlorite by its smaller particle...chloritecorrensite mixed layers. Most of the hydrothermal chlorite is Mg rich and has a structural formula close |  | Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 | Book (edition) | | information should be addressed to the Permissions Department, John Wiley & Sons, Inc., 605 Third Avenue, New...the late Horace Winchell of Yale University, Department of Geology and Geophysics, and Brian J. Skinner...Species containing more than one anion or anion group may be assigned to a separate class or may be assigned...specifies the atomic (cation to anion, or to anion group) ratio for the mineral. This and the remaining numbers...appropriate Dana number. When recognized, membership in a group is noted. Occasionally, the phrase “an inadequately |  | | Book (edition) | | a. Geographic Coordinates peridot BA olivine group nesosilicates orthosilicates silicates BT minerals...(BT-NT) relationship is that of a group to an individual in the group, e.g., BT minerals to NT silicates...of the specific minerals in the olivine group, the olivine group is one of several mineral groups in the...reciprocals are: olivine group NA peridot nesosilicates orthosilicates NA olivine group NA nesosilicates silicates...Sandstone BT Upper Cretaceous Cretaceous SA Mesaverde Group New Mexico e. Reference to the Guide — Notes may |  | | Book (edition) | | commonly have several variants, such as Great Smoky Group, Great Smoky Conglomerate, Great Smoky Formation...If used on level 1, Term set options are: rock group (carbonate rocks, chemi¬ cally precipitated rocks...was adopted. Broader Term (BT, BX, BA, BZ) - A group of which the Term is a member or an area in which...Term (NT, NX, NA, NZ) - A specific mem¬ ber of a group which is represented by the Term or an area within...Term is a member. For example: peridot BA olivine group BA nesosilicates BA orthosilicates BA silicates |  | | Journal (volume) | | August, 2010 Budapest, Hungary Published by the Department of Mineralogy, Geochemistry and Petrology, University...Mineralogica-Petrographica is published by the Department of Mineralogy, Geochemistry and Petrology, University...University of Szeged, Szeged, Hungary © Department of Mineralogy, Geochemistry and Petrology, University................................245 EG52 Platinum-group minerals in the new millennium.............................................319 EM61 Mineralogy of mine wastes and contaminated soil................... |  | | Book | | Hydrogenous Quartz Plagioclase Clay minerals Illite Chlorite Kaolinite Smectite SiO2 (Ca,Na)(Al,Si)AlSi2O8...(Table 1). The primary clay minerals are illite, chlorite, kaolinite, and smectite. Relative abundance of...pelagic clay contains 30 – 40% illite, 10– 15% chlorite, 10– 15% quartz, 10 – 15% plagioclase, 10 – 15%...micronodules, is excluded from the factor analysis. A group of elements in Figures 3(a) and (c) is enclosed...area. Silicon is only partly associated with this group due to additional independent input of siliceous |  | | Book | | chain of reactions leading to the buildup of iron group elements for silicon burning. Fuel Main products...the heavy elements from oxygen through the iron group from the initial hydrogen and helium of which they...56 Ni Si, S O, Mg, Ne Secondary products Iron group Cl, Ar, K, Ca Na, Al, P p-Process, n-process: 11...follow until the star has built a core of iron group elements (“iron core”) large enough to collapse...Sneden C. (1991) Abundances of elements of the Fe-group in metal-poor stars. Astron. Astrophys. 241, 501–525 |  | | Report (volume) | | " 'l0 j :l I DEPARTMENT OF THE INTERIOR ~TED HUBERT WORK, Secretary STATF.S GEOLOGICAL SURVEY GEORGE...ewport, Vt. Ariz St Bur M ines, B Arizona Bureau of Mine , Bulletin. Tu on. Ark G S Arkan as, Geological...Report; Bulletin; Brit! h olumb:a Mini ter· o f Mine , Annua l Repot·t. B Sc N at Bulletin de ·c:cnce...York. Canada, Department of the Interi r, Ch News Chemical ews, London. Superintendent of Mine , Report.... Sum Rp Canada, Coal Age. Colliery Engineer. Department of Mines, Mines Branch, Colliery Eng ummary Iteport |  | | Book (edition) | | Publishing Company is part of the Maxwell Communications Group of Companies. Maxwell Macmillan Canada , Inc. 1200...aggregate grains. There is no commonly accepted group name, analogous to the term siliciclastic, for precipitated...Classification of sedimentary rocks Composition Group name !/) :::, 0 C: u (1) ·~ Cl !/J !/J - ...Mitchell and Reading (1986) suggest that we can group tectonic settings for sediment accumulation into...systems. The numerous grabens in the Basin and Range Province of the western United States provide a good example |
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