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Covellite from
Oklo Mine, Léboumbi-Leyou Department, Haut-Ogooué Province, Gabon


Locality type:Mine
Classification
Species:Covellite
Formula:CuS
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Covellite data
Locality Data:Click here to view Oklo Mine, Léboumbi-Leyou Department, Haut-Ogooué Province, Gabon
Data Identifiers
Mindat Occurrence Record ID:832156
Long-form Identifier:1:3:832156:5
GUID (UUID V4):57c3cdb5-55ae-4779-90ad-fb65fe8f15f7
References
Reference Search (possible matching items)
Journal (article/letter/editorial)
Deditius, Satoshi Utsunomiya, Rodney C. Ewing * Department of Geological Sciences, University of Michigan...been described in sedimentary U-deposits at Oklo, Gabon, and unconformable U-deposits within Athabasca...of As in uraninite from the widely cited Nopal I mine (Janeczek et al., 1996; Finch and Murakami, 1999)...Rocky Mountain and Intermountain Basin Uranium Province, USA (Dahlkamp, 1993; Finch, 1996) (Fig. 1). The...different ages for the rock units at the Lookout Mine: 94, 99, and 203 Ma using the U–Pb method, and suggested
Journal (article/letter/editorial)
323--336 (1972) © by Springer-Verlag 1972 La province urani~re du bassin de Franceville (R6publique...sedimentary series of the Franceville Precambrian basin (Gabon Republic) consists of two successive sandstony-pelitic...1958 et F. WEBER 1969; Echelle: 1/5.000.000 La province uranif4re Les travanx de reconnaissance se poursuivent...COMUF); j. BouRae~ et J. P. PFIFFEL.~IANN:La province uranifhre Episode p41itique Flb Annonc& par tes...succession g4n4rale des facihs est la suivante de bas en haut: Conglom6rat fl galets de pdlites remani4es (Mounana)
Journal (article/letter/editorial)
radiolysis on local redox conditions in the Oklo, Gabon, natural fission reactors 10 and 16 CREGU VI~RONIQIJE...significantly modify the local redox conditions. The Oklo natural fission zones are good examples where the...claimed that, in the conditions of the operating Oklo reactors, there had been the same recombination...matter was not considered in these calculations. The Oklo nuclear fission zones are excellent sites for studying...spectroscopy. r c Libreville c GABON 1 t r Q 500 m i OKLO \ - ’ _,.., . . . 6 Manganese 0
Journal (article/letter/editorial)
Through the process known as acid rock drainage (or mine drainage), the oxidative dissolution is in this...complex outer layer of of sulfides from ores and from mine wastes can release air, water, biota, organic matter...supergene oxidation and leaching of ore deposits and mine wastes. They have a profound effect on high pressures...geochronologic studies. For overall viability of the mine. This has been the case since example, one could...deposits and thereby determine long-term rates 1 Department of Geology, FCFM, Universidad de Chile Plaza
Report (issue)
UNITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL SURVEY PRINCIPAL URANIUM DEPOSITS OF THE WORLD ...Angola, Peoples Republic of........................ Gabon, Republic of................................. Central...Saskatchewan, Canada; the Shinkolobwe, Katanga Province, Zafre; and the medium-sized deposits at Joachymov...Joachymov, Czechoslovakia, and at Schwartzwalder mine, Colorado, U.S.A.). Uranium deposits have been found...Australi a Sweden Spain France Ni ger Argenti na India Gabon Al geri a Yugoslavia Brazil Central African Republic
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
Journal (article/letter/editorial)
eric.potter@canada.ca * Corresponding author 3 Department of Geological Sciences, University of Manitoba...Territories (Figs. 1 and 2). The veins became the first U mine in Canada in 1932, although first producing Ra and...supply U for the Manhatten project. A year later, the mine was secretly expropriated and transferred to the...(Bothwell, 1984). In addition to U, by-products of the mine were Cu, Co, Ni, Pb and Po until production ceased...these dikes encountered underground in the Eldorado mine were discussed by Murphy (1946), Campbell (1955;
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
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 (issue)
suitable locations. For exan1ple, the Oklo natural nuclear reactor in Gabon den1onstrates the ways in which...years ago, Opencast uranium mine at Oklo, Republic of Gabon. The uranium at Oklo was sufficiently concentrtlted...million yea1;y ago for fission reactions to occu,: Oklo provides a natural ctnalo3ue for a very old radioactive...Biological Association and was funded by the UK Department for the Environment, Food and Rural Affairs...copper-nickel-cobalt arsenides, chalcocite (Cu2 S) and rare covellite (CuS). (iv) Claustbalite (PbSe) and tu-anium si]jcate
Book
used. Where high-grade ore occurs at some depth, a mine shaft may be sunk and drifts (tunnels) run from...setting, which may be referred to as a metallogenic province. The porphyry copper belt in the western part...North and South America is one such well-defined province, as is the sedimentary copper belt in Zambia-Zaire...retained in geologic settings. The Oklo uranium deposit in Gabon contains 2-billion-year-old uranium...times this long. (See Chapter 7 for more detail on Oklo.) Hydroelectric power generation has been with us
Book
........................................... 75 Gabon ..................................................vvastewater during environmental reclamation at a mine that has ceased production. The following statistical...Saskatchewan, is the world's largest high-grade uraniu1n mine. The ore from that ,nine is crushed and treated...to start production at the Talvivaara Ni-Zn-Cu-Co mine, ,vhere bio-heap leaching is used to extract metals...Production is expected to grow when the Four Mile ISL mine comes on strea1n, and planned expansion of Olympic
Journal (article/letter/editorial)
of radioactive spent fuel behaviour. This uranium mine is hosted in highly fractured schistose rocks, a...exposure of the Boa fault, revealed in the open-pit mine, exhibits substantial uranium mineralisation that...fracture, radiometric and weathering mapping of the mine exposure of the Boa fault, L. Pérez del Villar...399 Fig. 2. Intensively fractured and oxidised mine exposure of the Boa fault. FS: sericitic phyllites;...upper part of the western zone of the quarry. The mine exposure of the Boa fault breccia exhibits, from
Journal (article/letter/editorial)
geochemical conditions of ore deposition at the Jumbo mine, Kansas . . ... . ... . ... . . 1007 CHARLES E...and polysulfide complexes in equilibrium with covellite ..,.,................,..............,...........of alkalic rocks from the TransPecos magmatic province, Texas: Implications for the petrogenesis and...1835 allanite REE 1 I3 1 Alligator River, Uranium Province, Australia 2555 alteration basalt 2269 hydrothermal...Ocean 2909 Australia Alligator River Uranium Province 2555 McArthur Basin 1747 Northern Territory Georgina
Journal (article/letter/editorial)
(1986): Silver Mineralization of the Karuizawa Mine, Fukushima Prefecture, Japan. – Mining Geol., 36(6):...Kitakaze, A. (1982): Silver Minerals from the Sanru mine, Hokkaido (in Japanese with English abstract). –...research of ores in Co and Ro veins in Bratrství mine (In Czech)]. – MS, Úst. nerostných Surovin Kutná...Ni-skutterudite from Bi-paragenesis at Bratrství mine in Jáchymov/Joachimsthal (In Czech)]. – Sbor. geol...retention and/or migration of fissiogeneic elements at Oklo. – IAEATC–119, International Atomic Energy Agency
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
Journal (article/letter/editorial)
geochemicalconditions of ore deposition at the Jumbo mine, Kansas . . . . . . . . . . . . . . . . . . . ,...study of a&z&c rocks from the TransPecos magmatic province, Texas: Implications for the petrogenesis and...1835 allanite REE I 13 1 Alligator River. Uranium Province, Australia 2555 alteration basalt 2269 hydrothermal...Ocean 2909 Australia Alligator River Uranium Province 2555 McArthur Basin 1747 Northern Territory Georgina...275 Black Hills, South Dakota, USA 1905 Bluebell Mine, British Columbia, Canada 961 boehmite hydrothermal
Journal (issue)
THINK YOU HAVE FOUND A NEW MINERAL? Pete J. Dunn Department of Mineral Sciences Smithsonian Institution Washington...species, the locality, and the particular part of the mine or quarry from which the spec­ imens came, the date...were unearthed. Miscellaneous by-products at the mine were dumped, and it was in this area of the operation...areas of the operation were visited, and the actual “mine” and its operation were observed. Of particular...identifying natural crystals he finds in field, quarry, mine or mountain. By E. MITCHELL GUNNELL Denver. Colorado
Journal (article/letter/editorial)
P-coffinite from the natural fission reactor at Bangombé, Gabon. American Mineralogist, 94, 827–837. Donovan, J...STUDY OF OLYMPIC DAM COFFINITE AND BRANNERITE Gabon. Geochimica et Cosmochimica Acta, 59, 1917–1931...beneath a natural fission reactor at Bangombe, Gabon. Mineralogical Magazine, 60, 665–669. Janssen, A...in: Proceedings 1st Annual Progress Meeting of the OKLO-Natural Analogue Phase II Project (D. Louvat and...associated U-Ti-Th mineralization, northern Olary province, South Australia. Contributions to Mineralogy
Journal (article/letter/editorial)
DAVIDCURTIS: “The Origin of the ChemicalElementsand the Oklo Phenomenon”by J. P. K. Kuroda . . . 601 601 ...NORDSTROM:Stable isotope geochemistry of acid . . . mine drainage: Experimental oxidation of pyrite 2669...Challenger The Origin of the Chemical Elements and the Oklo Phenomenon Trace Element Speciation in Surface Waters... Moon 1609 correction 1021 corundum 159,2089 covellite 2723 Cr 325,381,785,1005,1141,1373,1443 1885,1935...381 147P Sulphur Bank, California, USA Sunnyside Mine, Colorado, USA 1479 supercalcine, basalt-water iii
Journal (article/letter/editorial)
Corundum, sapphire, ruby, padparadscha Corvusite Covellite Crandallite Crocidolite Crocoite Cryolite Cryptomelane...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
Journal (article/letter/editorial)
Corundum, sapphire, ruby, padparadscha Corvusite Covellite Crandallite Crocidolite Crocoite Cryolite Cryptomelane...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
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
Book
is the minimum grade at which it is worthwhile to mine a certain deposit. Everything below it (low-grade...chalcopyrite (brass) from the Friedrich-Christian Mine in Wildschapbach, Black Forest (Germany) (photo...black Fig. 1.2 Chalcopyrite on quartz. Silberwiese Mine, Oberlahr, Westerwald (Germany) (photo © Monika...primary ore. Covellite (covelline) CuS (Fig. 1.4). Fig. 1.5 Chalcocite from Mammoth Mine, Mount Isa-Cloncurry...(Cu12Sb4S13) (Fig. 1.6). Crystal system Fig. 1.4 Covellite and pyrite from Cuka Dulkan, near Bor (Serbia)
Book
Elsevier—Pergamon, Oxford. Cover photo: Bingham Canyon Mine is located 25 miles southwest of Salt Lake City...directly from Elsevier’s Science & Technology Rights Department in Oxford, UK: phone (+44) (0) 1865 843830; fax...FORDYCE, 67 107 9.05 The Geochemistry of Acid Mine Drainage D. W. BLOWES, C. J. PTACEK, J. L. JAMBOR...each volume, and within the volumes, dusts, acid mine drainage (Chapter 9.05), radioactive elements 1970)...Groundwater 9.02.4.3.6 Sediment pore water 9.02.4.3.7 Acid mine drainage 9.02.4.4 Arsenic Species in Natural Waters
 
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