Oklo-Natural Analogue- Phase II: Behaviour of nuclear reaction products in anatural environment

Project Information

Grant agreement ID: FI4W960020

Project closed

Start date 1 June 1996

End date 31 May 1999

Funded under

• Specific research and training programme in the field of nuclear safety and safeguards, 1994-1998

Total cost

No data

EU contribution

No data

Coordinated by

Commissariat à l'Energie Atomique
France

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Publications

Other (26)

Lead isotope studies of galenas and uraninites at Oklo

Author(s): ZETTERSTRÖM L (Swedish Museum of Natural History, Laboratory for Isotope Geology, Stockholm (SE))
Published in: Extract: Oklo Working Group: Proceedings of the first joint EC-CEA workshop on the Oklo-natural analogue Phase II project, Sitjes, Spain, 18-20 June 1997: Proceedings (1998) pp. 171-179, 1998, Page(s) 171-179, ISBN 92-828-3610-X

Inventory of Oklo (Gabon) rock samples at the Cadarache core-room

Author(s): MICHAUD V (CEA, CEN Cadarache, Saint-Paul-lez Durance (FR))
Published in: Extract: Oklo Working Group: Proceedings of the first joint EC-CEA workshop on the Oklo-natural analogue Phase II project, Sitjes, Spain, 18-20 June 1997: Proceedings (1998) pp. 17-26, 1998, Page(s) 17-26, ISBN 92-828-3610-X

Far field fracture filling around the Okélobondo reaction zone: 1. Sampling

Author(s): RAIMBAULT L (École des Mines de Paris, Centre d'Informatique Géologique (FR))
Published in: Extract: Oklo Working Group: Proceedings of the first joint EC-CEA workshop on the Oklo-natural analogue Phase II project, Sitjes, Spain, 18-20 June 1997: Proceedings (1998) pp. 105-110, 1998, Page(s) 105-110, ISBN 92-828-3610-X

Swedish investigations on the Bangombé reactor zone U-series disequilibrium and time-scale of radionuclide mobilization processes

Author(s): BROS R (Isotope Geology and Environment Consulting, Montpellier (FR)), ANDERSSON P (Isotope Geology and Environment Consulting, Montpellier (FR)), CLAESSON S (Isotope Geology and Environment Consulting, Montpellier (FR)), ROOS P (Natural History Museum, Laboratory of Isotope Geology, Stockholm (SE)), HOLM E (Natural History Museum, Laboratory of Isotope Geology, Stockholm (SE)), SMELLIE J (Lund University, Department of Radiation Physics (SE))
Published in: Extract: Oklo Working Group: Proceedings of the first joint EC-CEA workshop on the Oklo-natural analogue Phase II project, Sitjes, Spain, 18-20 June 1997: Proceedings (1998) pp. 187-195, 1998, Page(s) 187-195, ISBN 92-828-3610-X

Preliminary mineralogical results from the bedrock and fracture fillings at Bangombé site (Gabon)

Author(s): PÉREZ DEL VILLAR L ET AL (Centro de Investigaciones Energeticas Medioambientales y Tecnologicas, Departamento IAE, Caracterización Hidrogeoquímica de Emplazamientos, Madrid (ES)), ASENSIO B (INIMA, División de Consultoría Geología Aplicada e Hidrogeología, Madrid (ES)), PEREZ DEL VILLAR L ET AL (Centro de Investigaciones Energeticas Medioambientales y Tecnologicas, Departamento IAE, Caracterizacion Hidrogeoquimica de Emplazamientos, Madrid (ES))
Published in: Extract: Oklo Working Group: Proceedings of the first joint EC-CEA workshop on the Oklo-natural analogue Phase II project, Sitjes, Spain, 18-20 June 1997: Proceedings (1998) pp. 89-104, 1998, Page(s) 89-104, ISBN 92-828-3610-X

Migration behaviour of U, TRU and FP in Oklo natural reactor zones

Author(s): OHNUKI T (Japan Atomic Energy Research Institute, Department of Environmental Safety Research, Tokai (JP)), ISOBE H (Japan Atomic Energy Research Institute, Department of Environmental Safety Research, Tokai (JP)), YANASE N (Japan Atomic Energy Research Institute, Department of Environmental Safety Research, Tokai (JP)), IIDA Y (Japan Atomic Energy Research Institute, Department of Environmental Safety Research, Tokai (JP)), HIDAKA H (Hiroshima University, Department of Earth and Planetary Systems Science (JP)), MURAKAMI T (University of Tokyo, Mineralogical Institute (JP))
Published in: Extract: Oklo Working Group: Proceedings of the first joint EC-CEA workshop on the Oklo-natural analogue Phase II project, Sitjes, Spain, 18-20 June 1997: Proceedings (1998) pp. 197-199, 1998, Page(s) 197-199, ISBN 92-828-3610-X

New isotopic and chemical data on Bagombé and Oklo groundwaters: Preliminary results

Author(s): LOUVAT D (CEA, CEN Cadarache, Saint-Paul-lez-Durance (FR)), BEAUCAIRE C (CEA, CEN Saclay, Gif-sur-Yvette (FR)), MICHELOT J L (Centre Nationale de la Recherche Scientifique, Université Paris-Sud (FR))
Published in: Extract: Oklo Working Group: Proceedings of the first joint EC-CEA workshop on the Oklo-natural analogue Phase II project, Sitjes, Spain, 18-20 June 1997: Proceedings (1998) pp. 209-213, 1998, Page(s) 209-213, ISBN 92-828-3610-X

Petrography and chemistry of the uraninites and uraninite alteration phases from the uranium ore-deposit at Bangombé

Author(s): JENSEN K A (Aarhus University (DK)), EWING R C (University of Michigan, Ann Arbor (US))
Published in: Extract: Oklo Working Group: Proceedings of the first joint EC-CEA workshop on the Oklo-natural analogue Phase II project, Sitjes, Spain, 18-20 June 1997: Proceedings (1998) pp. 139-159, 1998, Page(s) 139-159, ISBN 92-828-3610-X

Microbial investigations in the Oklo phase II project: Distribution, diversity and biological activity of microorganisms in the subterranean environments of Bangombé and their influence on the behaviour of radionuclides in natural environme

Author(s): PEDERSEN K (Göteborg University, Institute for Cell and Molecular Biology, Department of General and Marine Microbiology (SE))
Published in: Extract: Oklo Working Group: Proceedings of the first joint EC-CEA workshop on the Oklo-natural analogue Phase II project, Sitjes, Spain, 18-20 June 1997: Proceedings (1998) pp. 245-247, 1998, Page(s) 245-247, ISBN 92-828-3610-X

U(VI) sorption/desorption processes on clays and oxihydroxides: Experiments and modelling

Author(s): DEL NERO M (Centre Nationale de la Recherche Scientifique, Institut de Recherches Subatomiques, Strasbourg (FR)), MIGNOT G (Centre Nationale de la Recherche Scientifique, Institut de Recherches Subatomiques, Strasbourg (FR)), BONTEMS G (Centre Nationale de la Recherche Scientifique, Institut de Recherches Subatomiques, Strasbourg (FR))
Published in: Extract: Oklo Working Group: Proceedings of the first joint EC-CEA workshop on the Oklo-natural analogue Phase II project, Sitjes, Spain, 18-20 June 1997: Proceedings (1998) pp. 277-290, 1998, Page(s) 277-290, ISBN 92-828-3610-X

Modelling flow and reactive transport at basin scale

Author(s): SALAS J (Consejo Superior de Investigaciones Cientificas, Institut de Ciencies de la Terra Jaume Almera, Barcelona (ES)), AYORA C (Consejo Superior de Investigaciones Cientificas, Institut de Ciencies de la Terra Jaume Almera, Barcelona (ES)), BITZER K (Consejo Superior de Investigaciones Cientificas, Institut de Ciencies de la Terra Jaume Almera, Barcelona (ES))
Published in: Extract: Oklo Working Group: Proceedings of the first joint EC-CEA workshop on the Oklo-natural analogue Phase II project, Sitjes, Spain, 18-20 June 1997: Proceedings (1998) pp. 291-300, 1998, Page(s) 291-300, ISBN 92-828-3610-X

Oklo Working Group: Proceedings of the first joint EC-CEA workshop on the Oklo-natural analogue Phase II project held in Sitjes, Spain, from 18 to 20 June 1997

Author(s): LOUVAT D (CEA, CEN Cadarache, Saint-Paul-lez-Durance (FR)), DAVIES C (EDITORS) (CEC Bruxelles (BE))
Published in: EUR 18314 EN (1998) 328pp., ECU 57.50, 1998, Page(s) 328, ISBN 92-828-3610-X

Impact of surface weathering conditions at the Oklo natural reactors on the behaviour of fission products

Author(s): POURCELOT L (Centre Nationale de la Recherche Scientifique, École et Observatoire des Sciences de la Terre, Centre de Géochimie de la Surface, Strasbourg (FR)), GAUTHIER-LAFAYE F (Centre Nationale de la Recherche Scientifique, École et Observatoire des Sciences de la Terre, Centre de Géochimie de la Surface, Strasbourg (FR))
Published in: Extract: Oklo Working Group: Proceedings of the first joint EC-CEA workshop on the Oklo-natural analogue Phase II project, Sitjes, Spain, 18-20 June 1997: Proceedings (1998) pp. 181-186, 1998, Page(s) 181-186, ISBN 92-828-3610-X

Behaviour of nuclear reaction products in a natural environment

Author(s): MONTOTO M (University of Oviedo, Department of Geology, Petrophysic Group (ES)), FERNÁNDEZ-MERAYO N (University of Oviedo, Department of Geology, Petrophysic Group (ES))
Published in: Extract: Oklo Working Group: Proceedings of the first joint EC-CEA workshop on the Oklo-natural analogue Phase II project, Sitjes, Spain, 18-20 June 1997: Proceedings (1998) pp. 249-257, 1998, Page(s) 249-257, ISBN 92-828-3610-X

Laboratory experiments for Oklo phase II studies, (1) Uraninite dissolution, U(VI) sorption and redox chemistry in water-mineral system, (2) Elemental teachability sequence of Mo-Ru-Pd-Rh alloy

Author(s): CUI D (Royal Institute of Technology, Department of Chemistry, Nuclear Chemistry, Stockholm (SE)), ERIKSEN T E (Royal Institute of Technology, Department of Chemistry, Nuclear Chemistry, Stockholm (SE))
Published in: Extract: Oklo Working Group: Proceedings of the first joint EC-CEA workshop on the Oklo-natural analogue Phase II project, Sitjes, Spain, 18-20 June 1997: Proceedings (1998) pp. 161-169, 1998, Page(s) 161-169, ISBN 92-828-3610-X

Synthesis of existing information on the Oklo basin geology: Questions and prospects

Author(s): MICHAUD V (CEA, CEN Cadarache, Saint-Paul-lez-Durance (FR))
Published in: Extract: Oklo Working Group: Proceedings of the first joint EC-CEA workshop on the Oklo-natural analogue Phase II project, Sitjes, Spain, 18-20 June 1997: Proceedings (1998) pp. 27-48, 1998, Page(s) 27-48, ISBN 92-828-3610-X

Dissolution experiments of Oklo uraninite samples

Author(s): PÉREZ I (Universitat Politecnica de Catalunyan, Departamento Enginyeria Quimica, Barcelona (ES)), CASAS I (Universitat Politecnica de Catalunyan, Departamento Enginyeria Quimica, Barcelona (ES)), BRUNO J (Quanti Sci SL, Parc Tecnològic del Vallés, Barcelona (ES)), DURO L (Quanti Sci SL, Parc Tecnològic del Vallés, Barcelona (ES))
Published in: Extract: Oklo Working Group: Proceedings of the first joint EC-CEA workshop on the Oklo-natural analogue Phase II project, Sitjes, Spain, 18-20 June 1997: Proceedings (1998) pp. 125-129, 1998, Page(s) 125-129, ISBN 92-828-3610-X

3D modelling of heat and mass transfers around a natural fission reactor (Oklo, Gabon)

Author(s): GÉRARD B (CRPG-Centre Nationale de la Recherche Scientifique, Vandoeuvre-les-Nancy (FR)), ROYER J J (CRPG-Centre Nationale de la Recherche Scientifique, Vandoeuvre-les-Nancy (FR)), LE CARLIER DE VESLUD C (CRPG-Centre Nationale de la Recherche Scientifique, Vandoeuvre-les-Nancy (FR)), PAGEL M (CREGU et GR Centre Nationale de la Recherche Scientifique, Vandoeuvre-les-Nancy (FR)), SCIUS H (Centre Nationale de la Recherche Scientifique, Centre de Géochimie de la Surface, Strasbourg (FR)), GAUTHIER-LAFAYE F (Centre Nationale de la Recherche Scientifique, Centre de Géochimie de la Surface, Strasbourg (FR))
Published in: Extract: Oklo Working Group: Proceedings of the first joint EC-CEA workshop on the Oklo-natural analogue Phase II project, Sitjes, Spain, 18-20 June 1997: Proceedings (1998) pp. 301-307, 1998, Page(s) 301-307, ISBN 92-828-3610-X

Space-time evolution of fluid circulations in the Franceville basin and around Oklo-Okelobondo and Bangombé nuclear reactor zones (Gabon)

Author(s): MATHIEU R (CREGU, Vandoeuvre les Nancy (FR)), CUNEY M (CREGU, Vandoeuvre les Nancy (FR))
Published in: Extract: Oklo Working Group: Proceedings of the first joint EC-CEA workshop on the Oklo-natural analogue Phase II project, Sitjes, Spain, 18-20 June 1997: Proceedings (1998) pp. 111-121, 1998, Page(s) 111-121, ISBN 92-828-3610-X

Characterisation and modelling of the geochemical and isotopic water content at Bangombé

Author(s): LEDOUX E (École des Mines de Paris, Centre d'Informatique Géologique, Fortainebleau (FR)), MADÉ B (École des Mines de Paris, Centre d'Informatique Géologique, Fortainebleau (FR))
Published in: Extract: Oklo Working Group: Proceedings of the first joint EC-CEA workshop on the Oklo-natural analogue Phase II project, Sitjes, Spain, 18-20 June 1997: Proceedings (1998) pp. 309-313, 1998, Page(s) 309-313, ISBN 92-828-3610-X

Blind prediction modelling (BPM) exercise in Oklo: 1st stage: Bangombé

Author(s): DURO L (Quanti Sci SL, Parc Tecnologic del Vallés Barcelona (ES)), BRUNO J (Quanti Sci SL, Parc Tecnologic del Vallés Barcelona (ES))
Published in: Extract: Oklo Working Group: Proceedings of the first joint EC-CEA workshop on the Oklo-natural analogue Phase II project, Sitjes, Spain, 18-20 June 1997: Proceedings (1998) pp. 261-275, 1998, Page(s) 261-275, ISBN 92-828-3610-X

Isotopic shifts of Lu caused by neutron capture effects in Oklo and Bangombé reactor zones: Possible geo-thermometer for natural fission reactors

Author(s): HIDAKA H (Hiroshima University, Department of Earth and Planetary Systems Science (JP))
Published in: Extract: Oklo Working Group: Proceedings of the first joint EC-CEA workshop on the Oklo-natural analogue Phase II project, Sitjes, Spain, 18-20 June 1997: Proceedings (1998) pp. 201-205, 1998, Page(s) 201-205, ISBN 92-828-3610-X

Bangombé colloid study

Author(s): SKÅRMAN C (INTERA KB, Sollentuna (SE)), LAAKSOHARJU M (INTERA KB, Sollentuna (SE)), DEGUELDRE C (Paul Scherrer Institute (CH)), TOHLER L (Paul Scherrer Institute (CH)), THOMAS B (University of Geneva (CH))
Published in: Extract: Oklo Working Group: Proceedings of the first joint EC-CEA workshop on the Oklo-natural analogue Phase II project, Sitjes, Spain, 18-20 June 1997: Proceedings (1998) pp. 227-243, 1998, Page(s) 227-243, ISBN 92-828-3610-X

Preliminary study of Bangombé bore-holes: Mineralogical and chemical data

Author(s): SALAH S (Centre Nationale de la Recherche Scientifique, Centre de Géochimie de la surface, Strasbourg (FR)), GAUTHIER-LAFAYE F (Centre Nationale de la Recherche Scientifique, Centre de Géochimie de la surface, Strasbourg (FR))
Published in: Extract: Oklo Working Group: Proceedings of the first joint EC-CEA workshop on the Oklo-natural analogue Phase II project, Sitjes, Spain, 18-20 June 1997: Proceedings (1998) pp. 49-87, 1998, Page(s) 49-87, ISBN 92-828-3610-X

Hydrogeochemical characterization of Bangombé groundwater

Author(s): GÓMEZ P, TURRERO M J, GARRALÓN A, ORTUÑO F, VALLADARES J (Centro de Investigaciones Energeticas Medioambientales y Tecnologicas, Madrid (ES))
Published in: Extract: Oklo Working Group: Proceedings of the first joint EC-CEA workshop on the Oklo-natural analogue Phase II project, Sitjes, Spain, 18-20 June 1997: Proceedings (1998) pp. 215-225, 1998, Page(s) 215-225, ISBN 92-828-3610-X

Differential performance of fission platinoids in natural fossil reactor number 10 (SF29 drilling) of the Oklo uranium-bearing deposit (Gabon)

Author(s): AMOSSÉ J (Université Joseph Fourier, Laboratoire de Géodynamique des Chaines Alpines, Grenoble (FR)), PIBOULE M (Université Joseph Fourier, Laboratoire de Géodynamique des Chaines Alpines, Grenoble (FR))
Published in: Extract: Oklo Working Group: Proceedings of the first joint EC-CEA workshop on the Oklo-natural analogue Phase II project, Sitjes, Spain, 18-20 June 1997: Proceedings (1998) pp. 131-137, 1998, Page(s) 131-137, ISBN 92-828-3610-X