Alteration of monazite and zircon and lead migration as geochemical tracers of fluid paleocirculations around the Oklo-Okélobondo and Bangombé natural nuclear reaction zones (Franceville basin, Gabon)

Chemical Geology

Volumn 171, Issue 3-4, 2001, Pages 147-171

  Mathieu, Régis ^a   Zetterström, Lena ^b   Cuney, Michel ^a   Gauthier Lafaye, François ^c   Hidaka, Hiroshi ^d  

^a CRPG CNRS   (France)

^b SWEDISH MUSEUM OF NATURAL HISTORY   (Sweden)

^c UMR 7063   (France)

^d HIROSHIMA UNIVERSITY   (Japan)

Author keywords

Alteration; Diagenesis; Franceville; Lead; Migration; Monazite; Oklo; Zircon

Indexed keywords

ACCESSORY MINERAL; LEAD; MINERAL ALTERATION; MONZONITE; RADIOACTIVITY; RARE EARTH ELEMENT;

GABON;

EID: 0035105340     PISSN: 00092541     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0009-2541(00)00245-X     Document Type: Article

References (59)

1. The instability of rhabdophane and its unimportance in monazite paragenesis
2. Rare earth element mobility during granite alteration: Evidence from Southwest England
3. High-resolution SIMS analysis of common lead
4. Etude radiochronologique complémentaire de la série du Francevillien et de son environnement
5. An example of lower Proterozoic sediments
6. Sm-Nd isotopic dating of Proterozoic clay material: An example from the Francevillian sedimentary series
7. Occurrence of naturally enriched 235 uranium: Implications for Pu behaviour in natural environments
8. Mobility of uranium, thorium and lanthanides around the Bangombé natural nuclear reactor zone (Gabon)
9. Apport de la géochronologie isotopique à la connaissance de la géologie gabonaise
10. Metallogenesis of the French part of the variscan orogen: Time-space relationships between U, au and Sn-W ore deposition and geodynamic events, mineralogical and U-Pb data
11. U-Pb geochronology of zircons from lunar breccia 73217 using a sensitive high-mass resolution ion microprobe
12. Significance of diagenesis for the origin of Witwatersrand-type uraniferous conglomerates
13. Characterization of a La-Ce-Sr-Ca aluminous hydroxy phosphate in nuclear zone 13 in the Oklo uranium deposit (Gabon)
14. Characterization of multiple fluid flow events and rare earth element mobility associated with formation of unconformity-type uranium deposits in the Athabasca basin
15. Geochemistry of shales from the Archean (3 Ga) Buhwa greenstone belt. Zimbabwe: Implications for provenance and source-area weathering
16. 9 years) of the Oklo uranium deposit
17. Les gisements d'uranium du Gabon et les réacteurs d'Oklo. Modèle métallogénique de gîtes à fortes teneurs du Protérozoique inférieur
18. The Francevillian (Lower Proterozoic) uranium ore deposit of Gabon
19. Natural fission reactors in the Franceville basin, Gabon: A review of the conditions and results of a "critical event" in a geologic system
20. Modélisation 3D des transferts thermiques et fluides autour d'un réacteur naturel de fission (Oklo. Gabon)
21. The Archean-Proterozoic transition: Evidence from the geochemistry of metasedimentary rocks of Guyana and Montana
22. Fully automated dissolution and separation methods for inductively coupled plasma emission spectrometry rock analysis. Application to the Determination of Rare Earth Elements
23. 232Th ion microprobe dating: Crystallization age
24. Ages U/Pb définis in situ sur oxydes d'uranium à l'analyseur ionique: Méthodologie et conséquences géochimiques
25. 235U-produits de fission de la zone de réaction hybride SF29 (zone 10). Autres zones d'intérêt sur le site d'Oklo pour les études futures
26. Geochemical and isotopic characterization of the reaction zones (uranium, transuranium, lead and fission products)
27. Mechanisms of release from uraninite in the natural fission reactors in Gabon
28. Phosphatian coffinite with rare earth elements and francoisite-(Ce.Nd) from sandstones beneath a natural fission reactor at Bangombé (Gabon)
29. Florencite-La with fissiogenic REEs from a natural fission reactor at Bangombé (Gabon)
30. The distribution of rare earth elements within Carnmenellis Pluton
31. Monazite paragenesis and U-Pb systematics in rocks of the eastern Mojave Desert. Implications for thermochronometry
32. Thorium and rare earth metals as analogs for actinide elements
33. Uranium daughter migration and U/Pb isotope apparent ages of uranium ores Shirley basin
34. Rare earth element mobility associated with uranium mineralization
35. Early Proterozoïc crustal evolution: Geochemical and Nd-Pb isotopic evidence from metasedimentary rocks
36. Geochemistry of fluid paleocirculations in the Franceville basin associated to diagenesis and uranium mineralization
37. Electron microprobe dating of monazite
38. Phases fluides contemporaines de la diagenèse des grès, des mouvements tectoniques et du fonctionnement des réacteurs nucléaires d'Oklo
39. Un nouveau modèle de calcul pour la microanalyse quantitative par spectrométrie de rayons X
40. Remplissages Fissuraux à Okélobondo, Données Analytiques et Interprétations Préliminaires
41. Characterization of near-to far-field ancient migrations around Oklo reaction zones (Gabon), using minerals as geochemical tracers
42. Postdepositional modification of uraninite-bearing quartz-pebble conglomerates from the Quirke ore zone
43. Huronian rocks and uraniferous conglomerates in the Canadian Shield
44. The mobility of zirconium and other "immobile" elements during hydrothermal alteration
45. Redox conditions in the natural fission reactor zones from Oklo (Gabon): The influence of radiolysis
46. Uraniferous constituents of the Witwaterstrand conglomerates: Ore-microscopic observations and implications for the Witwatersrand metallogeny
47. Monazite: U-Pb dating of staurolite grade metamorphism in pelitic schists
48. Approximation of terrestrial lead isotope evolution by a two-stage model
49. Relevance of nuclide migration at Oklo to the problem of geologic storage of radioactive waste
50. Donnnées radiochronologiques nouvelles sur le Francevillien et son environnement
51. Une série précambrienne du Gabon: Le Francevillien sédimentologie, géochimie, relations avec les gîtes minéraux
52. The aqueous geochemistry of the rare earth elements and yttrium Monazite solubility and REE mobility in exhalative massive sulfide-depositing environments