 | | 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 |  | Dymkov, Y., Holliger, P., Pagel, M., Gorshkov, A., Artyukhina, A. (1997) Characterization of a La-Ce-Sr-Ca aluminous hydroxy phosphate in nuclear zone 13 in the Oklo uranium deposit (Gabon) Mineralium Deposita, 32 (6) 617-620 doi:10.1007/s001260050127 | Journal (article/letter/editorial) | | phosphate in nuclear zone 13 in the Oklo uranium deposit (Gabon) Abstract A La-Ce-Sr-Ca aluminous hydroxy...in the nuclear reactor zone 13 in the Oklo uranium deposit (Gabon). It has a trigonal elementary cell with...(Ruenach 1979; Holliger 1992) in the Oklo uranium deposit (Gabon) at the southwestern border of the Precambrian...or Fe and X by S, P or As. Sequence of events at Oklo The Franvellian series, which have been divided...97 Ga (Ruenach 1979). Aluminous chlorite and sudoite are present in the core of the reactors. Bonhomme |  | | Report (chapter) | | 2015 Special cases of natural analogues: The Gabon and Cigar Lake U ore deposits F. G A U T H I E R... Tokai-mura, Ibaraki-ken, Japan Abstract: The Gabon and Cigar Lake uranium deposits may be used as natural...clay matrix. Futhermore, the Oklo and Bangomb6 uranium deposits in Gabon were natural nuclear fission...explain the preservation of the natural reactors of Gabon and of the Cigar Lake deposit. The mineralogy of...Cigar Lake deposit and in the natural reactors of Gabon. Coffinitization may be related to hydrothermal |  | Riegler, Thomas, Beaufort, Marie-France, Allard, Thierry, Pierson-Wickmann, Anne-Catherine, Beaufort, Daniel (2016) Nanoscale relationships between uranium and carbonaceous material in alteration halos around unconformity-related uranium deposits of the Kiggavik camp, Paleoproterozoic Thelon Basin, Nunavut, Canada. Ore Geology Reviews, 79. 382-391 doi:10.1016/j.oregeorev.2016.04.018 | Journal (article/letter/editorial) | | author, present address Trinity College Dublin, Department of Geology, NU College Green, Dublin 2, Ireland...Kyser MA 2006). By comparison, in the 1.74 Ga Oklo deposit of the Paleoproterozoic Franceville Basin...a Phanerozoicstyle diagenetic system. Faults at Oklo played key roles by creating traps and/or paths... chlorite) were replaced by mainly illite and sudoite (Al-Mg di-trioctahedral chlorite) in various proportions...nodules are T disseminated in the illite- and sudoite-rich clay matrix (Figure 2a, 2c), and are also |  | | Journal (article/letter/editorial) | | Natural fission reactors in the Franceville basin, Gabon: A review of the conditions and results of a "critical...deposits in the world, the Oklo and Bangomb6 deposits of the Franceville basin: Gabon. Since 1982, five new...over a long period of time. Therefore, the sites of Oklo and Bangomb6 are well preserved. For the reactors...program was initiated as a European Community project "Oklo: Natural analogue." These studies attempted to reconstruct...Franceville basin, Gabon, namely Oklo and Bangomb6. During the seventies, the Oklo natural fission reactors |  | Richard, Antonin, Kendrick, Mark A., Cathelineau, Michel (2014) Noble gases (Ar, Kr, Xe) and halogens (Cl, Br, I) in fluid inclusions from the Athabasca Basin (Canada): Implications for unconformity-related U deposits. Precambrian Research, 247. 110-125 doi:10.1016/j.precamres.2014.03.020 | Journal (article/letter/editorial) | | associated with extensive brecciation and illite–sudoite–dravite alteration. Quartz and dolomite cementing...responsible for the famous Oklo U deposits in the Franceville Basin (Gabon), which on account of their...Basin are closely associated with intense illite–sudoite–dravite alteration in both basin and basement rocks...the fluids responsible for deposit scale illite–sudoite–dravite alteration (Richard et al., 2013b). Furthermore...Archaean to Paleoproterozoic Western Churchill Province which is further divided into the Rae Subprovince |  | Gaboreau, S., Cuney, M., Quirt, D., Beaufort, D., Patrier, P., Mathieu, R. (2007) Significance of aluminum phosphate-sulfate minerals associated with U unconformity-type deposits: The Athabasca basin, Canada. American Mineralogist, 92 (2) 267-280 doi:10.2138/am.2007.2277 | Journal (article/letter/editorial) | | basement-hosted U deposits, as compared to the illite and sudoite associated with the Athabasca basement-hosted,...RAE = Rae lithostructural province, HEARNE = Hearne lithostructural province. 1 = Rabbit Lake, 2 = Collins...major tectonic elements, the Rae Province in the west and the Hearne Province in the east, which were affected...APS minerals Sudoite, illite ± trioctahedral chlorite, monazite, pyrite, apatite Sudoite, illite Illite...Illite, sudoite ± trioctahedral chlorite, monazite, apatite, pyrite Illite, sudoite Trioctahedral chlorite |  | | Journal (article/letter/editorial) | | major E-W fault system associated with illite and sudoite alteration halos developed in the Archean metagraywackes...is dominated by illite with variable amounts of sudoite, an Al-Mg chlorite (Percival and Kodama 1989; Beaufort...observed in close association with illite and sudoite (Al-Mg chlorite) within the clay alteration halos...associated with variable but generally small amounts of sudoite (AlMg chlorite). In altered intrusive rocks, the...are totally replaced by illite, sudoite, and specular hematite. Sudoite is always intimately associated |  | 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) | | unconformity, illite ± I-S mixed layer minerals + sudoite + APS on both sides of the unconformity and in...production), of which 3,760 t came from the Ranger mine, in production since 1991. The geologic reserves...alteration consists of white mica, magnesian chlorite, sudoite, anatase, hematite, and apatite. These minerals...have been distinguished: sudoite (Al-Mg chlorite) and MgFe chlorite. Sudoite occurs within highly altered...and breccia zones. Sudoite is associated with illite and disseminated APS. Sudoite is not easy to identify |  | | Report (volume) | | Editors: Peter C. Burns' & Robert Finch 2 1 Department of Civil Engineering and Geological Sciences...Environmental issues such as coping with uranium mine and mill tailings and other uranium-contaminated...and Geochemistry of Natural Fission Reactors in Gabon Janusz Janeczek 8 393 Geomicrobiology of Uranium...and Geochemistry of Natural Fission Reactors in Gabon Janusz Janeczek INTRODUCTION: NATURAL FISSION REACTORS...largest construction projects in the history of the Department of Energy. Approximately three billion dollars |  | | Report (issue) | | CHAPTER 1: INTRODUCTION Kurt Kyser Department of Geological Sciences and Geological Engineering, Queen’s...engineered. Once an ore deposit is discovered, a mine is developed and U extracted by a variety of mining...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...gold mining. In Namibia, the large Rössing open cut mine has been in operation since 1976, and currently |  | | Report (issue) | | ERITREA ESTONIA ESWATINI ETHIOPIA FIJI FINLAND FRANCE GABON GEORGIA GERMANY GHANA GREECE GRENADA GUATEMALA...Lake deposit, located in the eastern grade uranium mine, behind McArthur River. The deposit is owned by...airstrip. Cameco Corporation is the operator of the mine and commercial production started in May 2015. Since...south of the deposit area within which most of the mine access infrastructure is located. The graphitic...Structure The structural framework in the Cigar Lake mine area is dominated by variably reactivated easttrending |  | Richard, Antonin, Boulvais, Philippe, Mercadier, Julien, Boiron, Marie-Christine, Cathelineau, Michel, Cuney, Michel, France-Lanord, Christian (2013) From evaporated seawater to uranium-mineralizing brines: Isotopic and trace element study of quartz–dolomite veins in the Athabasca system. Geochimica et Cosmochimica Acta, 113. 38-59 doi:10.1016/j.gca.2013.03.009 | Journal (article/letter/editorial) | | Archean to Paleoproterozoic Western Churchill Province separated into two Subprovinces (the Rae Subprovince...(K-feldspar, biotite, plagioclase) by an illite + sudoite (Mg-chlorite) ± dravite (Mgtourmaline) assemblage...“bleaching”) as well as the precipitation of illite and sudoite in sandstones; (ii) quartz dissolution in basement...values of the main alteration minerals (illite, sudoite, dravite, kaolinite) have been extensively studied...Hoffman P. (1990) Subdivision of the Churchill Province and extent of the Trans-Hudson Orogen. In The |  | | Book | | (individual deposit) and regional scale (uranium province). Their ideas, observations, and data have directly...Granite-Related Vein Uranium Deposits: Schwartzwalder Mine, Front Range, USA ................................Uranium Deposits: Shinkolobwe, Katanga Copper Province, Zaire .........................................Deposits in Proterozoic Sandstones: Franceville Basin, Gabon ......................... 224 232 237 246 250 250...when analyzing pitchblende from the George Wagsfort mine at Johanngeorgenstadt, Sachsisches Erzgebirge (Saxonian |  | | Book | | University of Oslo, Oslo, Norway J. S. Hanor Department of Geology and Geophysics, Louisiana State University...Tasmania, Hobart, Tas., Australia T. Driesner Department of Earth Sciences, ETH Zurich, Switzerland A...Germany A. T. Fisher Earth and Planetary Sciences Department and Institute for Geophysics and Planetary Physics...California, Santa Cruz, CA, USA Michael Manga Department of Earth and Planetary Science, University of... Garven Department of Geology, Tufts University, Medford, MA, USA C. E. Manning Department of Earth |  | | Report (issue) | | SALVADOR ERITREA ESTONIA ETHIOPIA FIJI FINLAND FRANCE GABON GEORGIA GERMANY GHANA GREECE GUATEMALA GUYANA HAITI... Description of a selected deposit: The Denison mine deposit (Canada) ....... 304 Surficial deposits...control between two formations within the basin (Oklo, Gabon). HMm: hydrothermal–metamorphic deposits result...Slovakia); Subtype 4.3. Volcano-sedimentary (Anderson Mine, USA; Sierra Pintada district, Argentina). Type...Wash type, USA). Subtype 9.3. Roll-front (Wyoming Province, USA; Chu-Sarysu Basin, Kazakhstan): Class 9.3 |  | | Journal (article/letter/editorial) | | hanging wall. During a subsequent mining period, the mine was re-opened to recover sideritic parts of the...you look for a mine look near a mine”. This includes the imperative “if you look for a mine look for smelting...also for the chrome diopside found at Outukumpu mine, a mineral that is first and foremost recognized...According to the Raw Materials Group (Sweden), the world mine production in 2005 stood at 19.3 m t metal content...mining company. • World mine production • Proven + probable resources • Mine production by country • | | | Journal (article/letter/editorial) | | hanging wall. During a subsequent mining period, the mine was re-opened to recover sideritic parts of the...you look for a mine look near a mine”. This includes the imperative “if you look for a mine look for smelting...also for the chrome diopside found at Outukumpu mine, a mineral that is first and foremost recognized...According to the Raw Materials Group (Sweden), the world mine production in 2005 stood at 19.3 m t metal content...mining company. • World mine production • Proven + probable resources • Mine production by country • |  | 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...British Columbia NF Labrador (part of Newfoundland Province) MB Manitoba NB New Brunswick NF Newfoundland...Spotsylvania Co., and Partridge mine, Orange Co., VA, and at Dahlonega, GA; Homestake mine, Lawrence Co., SD; Silver...Lake Co., Breckenridge(*), Summit Co., Ground Hog mine(*), Gilman Co., Silverton and Telluride, San Juan |  | | Book | | Corte LIST OF PARTICIPANTS Schwarze Phillip, Department of Earth Sciences, Monach University, Clayton...University, Bundoora, Victoria. Spikings Richard, Department of Earth Sciences, La Trobe University, Bundoora...Bundoora, Victoria. Brown Roderick William, Department of Geology, La Trobe University, Bundoora, Victoria... Universitat Salzburg. Gleadow Andrew J.W., Department of Geology, La Trobe University, Bundoora, Victoria... Universiteit Gent. Mitchell Melinda Maree, Department of Geology, La Trobe University, Bundoora, Victoria |  | | Book (edition) | | BT N460000N503000 W0735000W0850000 Superior Province Canadian Shield Blake River Group Ontario Quebec...SA eucrite SA iron meteorites SA stony irons acid mine drainage Before 1978, also search drainage AND mines...SA acids SA drainage SA environmental geology SA mine drainage SA mines SA pollution SA sulfuric acid...tertiary recovery acidity use pH SA SA SA acid mine drainage acidic composition amino acids SA compounds...Gastropoda Mollusca BT Invertebrata Aconcagua Province Central Chile. Also search cagua. BT Chile NT |  | | Book (edition) | | Superior Province BT Canadian Shield SA Blake River Group SA Ontario SA Quebec SA Sigma Mine SA Timiskaming...New¬ foundland. BT Devonian SA Newfoundland acid mine drainage Before 1978, also search drainage AND mines...SA acids SA drainage SA environmental geology SA mine drainage SA mines SA pollution SA sulfuric acid...Invertebrata acid rainfall use acid rain Aconcagua Province Central Chile. Also search Acon¬ cagua. BT Chile...recovery acidity use pH acids SA SA SA SA SA SA acid mine drainage acidic composition alanine amino acids |  | | Book | | Association of Canada - Mineral Deposits Division Department of Earth Sciences Me1norial University of Newfoundland...avec l'editeur. Gold-rich specimen fro1n the Don,e Mine, Tim1nins, Ontario that was presented to GSC in...Prospective Metallogenic Settings of the Grenville Province Louise Corriveau, Serge Perreault, and Anthony...adjusted using lhe inflation rates of United States Department Labor (2006) and $USO converted to $CAD using...MVT 0) C "' a. c ~ :, Velns Grenville Province (0 IOCG C :, z Diamonds 0 /;::, Neoproterozoic |  | | Journal (issue) | | topics 124 . Principal Editor R. A. H O W I E Department of Geology Royal Holloway & Bedford New College...the Blekinge province is not a southerly continuation o f the Svccokarclian orogenic province o f central...t can be correlated with the SW Swedish gneiss province, formed 1800-1650 m.y. ago. Rb-Sr whole-rock isochron...dyke, o f the North Atlantic Tertiary igneous province, range f r o m 4 3 . 8 t o 6 2 . 6 m . y. Interpreted...attributed t o the late stage o f the Gardar anorogenic province. which until now has been unknown in Labrador |  | | Book | | University of Würzburg Würzburg, Bavaria, Germany Department of Geological Sciences University of Cape Town...Azurite crystals, partly replaced by malachite, Tsumeb mine, Namibia; width of view ca. 3 cm; collection H.E...the Medieval Latin word mina = shaft (minare = to mine). The antique people, e.g., the Greeks and Romans...the groundwater. Therefore, outflow of mine water or from mine dumps, but also from geothermal power stations...Silesia, Poland, that had served as an outflow of mine water from a gold-arsenic deposit for many decades |
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