Organic free radicals and micropores in solid graphitic carbonaceous matter at the Oklo natural fission reactors, Gabon

Geochimica et Cosmochimica Acta

Volumn 61, Issue 2, 1997, Pages 357-368

  Rigali, Mark J ^a   Nagy, Bartholomew ^a  

^a University of Arizona   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

CARBONACEOUS MATTER; FREE RADICAL; NATURAL FISSION REACTOR;

GABON, OKLO;

EID: 0030849894     PISSN: 00167037     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0016-7037(96)00334-1     Document Type: Article

References (75)

1. Adamson A. W. (1967) Physical Chemistry of Surfaces. Wiley.
2. Aizenshtat Z., Pinsky I., and Spiro B. (1986) Electron spin resonance of stabilized free radicals in sedimentary organic matter. Org. Geochem. 9, 321-329.
3. Armstrong J. W., Jackson C., and Marsh H. (1964) Electron spin resonance in carbonized organic polymers-II effects of adsorbed oxygen. Carbon 2, 239-252.
4. Austen D. E. G., Ingram D. J. E., and Tapley J. G. (1958) The investigation of free radicals trapped in low temperature carbons. Trans. Faraday Soc. 54, 400-408.
5. Austen D. E. G. et al. (1966) Electron spin resonance study of pure macerals. In Coal Science, Advances in Chemistry Series 55 (ed. R. F. Gould), pp. 344-362. Amer. Chem. Soc.
6. Bolt R. O. and Carroll J. G. (1963) Lubricants. In Radiation Effects on Organic Materials (ed. R. O. Bolt and J. G. Carroll), pp. 349-406. Academic Press.
7. Bonhomme M., Gauthier-Lafaye F., and Weber F. (1982) An example of lower Proterozoic sediments: The Francevillian in Gabon. Precambrian Res. 18, 87-102.
8. Brookins D. G. (1976) Shale as a repository for radioactive waste: the evidence from Okl. Environ. Geol. 1, 225-229.
9. Brunauer S., Emmett P. H., and Teller E. (1938) Adsorption of gases in multimolecular layers. J. Amer. Chem. Soc. 60, 309-319.
10. Brunauer S., Deming L. S., Deming W. E., and Teller E. (1940) On a theory of the van der Waals adsorption of gases. J. Amer. Chem. Soc. 62, 1723-1732.
11. Caillère S. and Hénin S. (1957) The Chlorite and Serpentine minerals. In The Differential Thermal Investigation of Clays (ed. R. C. Mackenzie), pp. 207-230. London Mineral. Soc.
12. Carrott P. J. M., Roberts R. A., and Sing K. W. S. (1987) Adsorption of nitrogen by porous and non-porous carbons. Carbon 25, 59-66.
13. Chapuis A. M. and Blanc P. L. (1993) Okl, natural analogue for transfer processes in a geological repository: Contract FI 2W-CT91-0071. An overview: Okl Working Group meeting. In Proc. 2nd joint CEC-CEA Progress Mtg. (ed. H. von Maravic); Rept. EUR 14877, pp. 9-14.
14. Chapuis A. M. and Blanc P. L. (1993) Okl, natural analogue for transfer processes in a geological repository: Contract FI 2W-CT91-0071. An overview: Okl Working Group meeting. In Proc. 2nd joint CEC-CEA Progress Mtg. (ed. H. von Maravic); Rept. EUR 14877, pp. 9-14.
15. Charlsby A. (1960) Atomic Radiation and Polymers. Pergamon.
16. Connard J. (1984) EPR in fossil carbonaceous materials. In Magnetic Resonance. Introduction, Advanced Topics and Applications to Fossil Energy (ed. L. Petrakis and J. P. Fraissard), pp. 441-459. Reidel.
17. Cortial F. (1985) Les bitumes du Francevillian (Protérozöique inférieur du Gabon, 2000 Ma) et leurs kérogènes. Relations avec les minéralisations uranifères. Thèse Docteur, Univ. Strasbourg.
18. Cortial F. et al. (1990) Characterization of organic matter associated with uranium deposits in the Francevillian Formation of Gabon (Lower Proterozoic). Org. Geochem. 15, 73-85.
19. Curtis D. et al. (1989) Fission product retention in the Oklo natural fission reactors. Appl. Geochem. 4, 49-62.
20. Dickey P. A. (1986) Petroleum Development Geology. PennWell.
21. Durand B. and Nicaise G. (1980) Procedures for kerogen isolation. In Kerogen-Insoluble Organic Matter from Sedimentary Rocks (ed. B. Durand), pp. 35-53. Technip.
22. Eberly P., Janeczek J., and Ewing R. C. (1994) Petrographic analysis of samples from the uranium deposit at Oklo, Republic of Gabon. Radiochim. Acta 66/67, 455-461.
23. Er C. et al. (1987) Analysis of muramic acid in Holocene microbial environments by gas chromatography, electron impact and fast atom bombardment mass spectrometry. J. Geomicrobiol. 5, 57-77.
24. Friedel R. A. and Breger I. A. (1959) Free radical concentrations and other properties of pile irradiated coals. Science 130, 1762-1763.
25. Gasser R. P. H. (1985) An Introduction to Chemisorption and Catalysis by Metals. Oxford Univ. Press.
26. Gauthier-Lafaye F. (1986) Les gisements d'uranium du Gabon et les réacteurs d'Oklo. Modèle métallogénique de gites à fortes teneurs du Protérozoic inférieur. Mém. Sci. Géol. 78.
27. Gauthier-Lafaye F. and Weber F. (1989) The Francevillian (Lower Proterozoic) uranium ore deposits of Gabon. Econ. Geol. 84, 2267-2285.
28. Gauthier-Lafaye F., Weber F., and Ohmoto H. (1989) Natural fission reactors of Oklo. Econ. Geol. 84, 2286-2295.
29. Gize A. P. (1993) The analysis of organic matter in ore deposits. In Bitumens in Ore Deposits; Society for Geology Applied to Ore Deposits, Special Publication No. 9 (ed. J. Parnell et al.), pp. 28-52. Springer-Verlag.
30. Gregg S. J. and Sing K. S. W. (1982) Adsorption, Surface Area, and Porosity. Academic Press.
31. Grim R. E. and Bradley W. F. (1940) Investigation of the effect of heat on the clay minerals illite and montmorillonite. J. Amer. Ceram. Soc. 23, 242-248.
32. Hemond C., Menet C., and Ménager M. T. (1992) U and Nd isotopes from the new Oklo reactor 10 (Gabon): evidence for radioelements migration. In Scientific Basis for Nuclear Waste Management, XV: Mat. Res. Soc. Symp. Proc. (ed. C. G. Sombret), Vol. 257, pp. 489-496. Materials Research Society.
33. 90Zr in the Oklo natural fission reactors: Implication for geochemical behavior of fissiogenic Rb, Sr, Cs, and Ba. Earth Planet. Sci. Lett. 122, 173-182.
34. ○ 01/92.
35. Holliger P. (1993) Geochemical and isotopic characterization of the reaction zones (uranium, transuranium, lead and fission products): Oklo Working Group meeting. In Proc. 2nd joint CEC-CEA Progress Mtg. (ed. H. von Maravic); Rept. EUR 14877, pp. 25-36.
36. Holliger P. (1993) Geochemical and isotopic characterization of the reaction zones (uranium, transuranium, lead and fission products): Oklo Working Group meeting. In Proc. 2nd joint CEC-CEA Progress Mtg. (ed. H. von Maravic); Rept. EUR 14877, pp. 25-36.
37. Holliger P. and Devillers C. (1981) Contribution à l'étude de la température dans les réacteurs fossiles d'Oklo par la méasure du rapport isotopique du lutétium. Earth Planet. Sci. Lett. 52, 76-84.
38. 155Gd: Natural fission reactors. Proc. Intl. Atomic Energy Agency, 553-565.
39. Janeczek J. and Ewing R. C. (1995) Mechanisms of lead release from uraninite in the natural reactors in Gabon. Geochim. Cosmochim. Acta 59, 1917-1931.
40. Loss R. D. et al. (1989) Fission product retentivity in peripheral rocks at the Oklo natural fission reactors, Gabon. Chem. Geol 76, 71-84.
41. McAuliffe C. D. (1979) Oil and gas migration: chemical and physical constraints. AAPG Bull. 63, 761-781.
42. Marchand A. and Connard J. (1980) Electron paramagnetic resonance in kerogen studies. In Kerogen-Insoluble Organic Matter from Sedimentary Rocks (ed. B. Durand), pp. 243-270. Technip.
43. Menet C., Ménager M. T., and Petit J. C. (1992) Migration of radionuclides around the new nuclear reactors at Oklo: Analogies with a high-level waste repository. Radiochim. Acta 58/59, 395-400.
44. Mossman D. J. et al. (1993) Petrography and paragenesis of organic matter associated with the natural fission reactors at Oklo, Republic of Gabon: a preliminary report. Internatl. J. Coal Geol. 24, 179-194.
45. Mrozowski S. (1988a) ESR studies of carbonization and coalification processes I. Carbonaceous compounds. Carbon 26, 521-529.
46. Mrozowski S. (1988b) ESR studies of carbonization and coalification processes II. Biological materials. Carbon 26, 531-541.
47. Nagy B. (1982) Search for biochemical fossils on Earth and nonbiological organic molecules on Jupiter, Saturn and Titan. Naturwissenschaften 69, 301-310.
48. Nagy B. and Rigali M. J. (1993) Newly discovered organic matter rich natural fission reactors at Oklo and Bangombè: Are they useful analogs for long-term anthropogenic nuclear waste containment? Waste Manage. '93 Conf. Proc., Tucson, AZ, pp. 897-900.
49. Nagy B., Thurman E. M., Long A., and Hare P. E. (1988) Amino acids in humic acids in wetland and ground waters rich in organic matter. GSA Ann. Meeting, Denver, Vol. 20, A173 (abstr.).
50. Nagy B. et al. (1991) Organic matter and containment of fissiogenic isotopes at the Oklo Natural Reactors. Nature 354, 472-475.
51. Nagy B. et al. (1993) Role of organic matter in the Proterozoic Oklo natural fission reactors, Gabon, Africa. Geology 21, 655-658.
52. Naudet R. (1991) Oklo: des Réacteurs Nucléaires Fossiles. Etude Physique. Collection du Commisariat à l'Energie Atomique.
53. Odian G. G. (1981) Principals of Polymerization. Wiley.
54. Petit J. C. (1992) Reasoning by analogy: Rational foundation of natural analogue studies. Appl. Geochem. (Suppl. Issue No. 1), 9-11.
55. Petit J. C. and Landais P. (1993) Natural analogues of bitumen matrices in a deep repository: Oklo Working Group meeting. In Proc. 2nd joint CEC-CEA Progress Mtg. (ed. H. von Maravic); Rept. EUR 14877, pp. 67-70.
56. Petit J. C. and Landais P. (1993) Natural analogues of bitumen matrices in a deep repository: Oklo Working Group meeting. In Proc. 2nd joint CEC-CEA Progress Mtg. (ed. H. von Maravic); Rept. EUR 14877, pp. 67-70.
57. Petrakis L. and Grandy D. W. (1978) Electron spin resonance study of free radicals in coals. Anal. Chem. 50, 303-308.
58. Premovic P. I. (1993) Organic free radicals in Precambrian and Paleozoic rocks: Origin and Significance. In Early Organic Evolution: Implications for Mineral and Energy Resources (ed. M. Schidlowski et al.), pp. 241-256. Springer-Verlag.
59. Retcofsky H. L., Stark J. M., and Friedel R. A. (1968) Electron spin resonance in American coals. Anal. Chem. 40, 1699-1704.
60. Saleh F. Y., Wenching A. O., Inyoung K., and Qasem H. (1991) Structural features of aquatic fulvic acids by analytical and preparative HPLC followed by spectroscopic characterization. In Humic Substances in the Aquatic and Terrestrial Environment; Lecture Notes in Earth Sciences 33 (ed. B. Allard et al.), pp. 47-61. Springer-Verlag.
61. 3 plots obtained from N2/77 K adsorption isotherms of activated carbons. Fuel 70, 877-881.
62. Senesi N. and Steelink C. (1989) Application of ESR Spectroscopy to the Study of Humic Substances. In Humic Substances II (ed. Hayes et al.), pp. 373-408. Wiley.
63. Senesi N., Miano T. M., and Provenzano M. R. (1991) Fluorescence spectroscopy as a means of distinguishing fulvic and humic acids from dissolved and sedimentary aquatic sources and terrestrial sources. In Humic Substances in the Aquatic and Terrestrial Environment; Lecture Notes in Earth Sciences 33 (ed. B. Allard et al.), pp. 63-73. Springer-Verlag.
64. Seymour R. C. and Wood J. C. (1971) Electron spin resonance study of the adsorption of oxygen on carbon. In Proc. 3rd Conf. on Industrial Carbons and Graphite (ed. J. G. Gregory), pp. 264-270. Soc. Chem. Ind.
65. Shibaoka M. and Steven J. R. (1977) Characterization of kerogens by electron spin resonance. Fuel 56, 458-459.
66. Shklyaev A. A., Aunfrienko V. F., and Vasil'eva L. M. (1971) An EPR study of the adsorption of oxygen on anthracite fusain. Dokl. Acad. Nauk SSSR 200, 1165-1168.
67. Silbernagel B., Gebhard L. A., Dyracz G. R., and Bloomquist C. A. A. (1986) Electron spin resonance of isolated coal macerals. Fuel 65, 558-565.
68. Sing K. S. W. et al. (1985) Reporting physisorption data for gas/ solid systems with special reference to the determination of surface area and porosity. Pure Appl. Chem. 57, 603-619.
69. Steelink C. (1966) Electron paramagnetic resonance studies of humic acid and related model compounds. In Coal Science; Advances in Chemistry Series 55 (ed. R. F. Gould), pp. 80-90. Amer. Chem. Soc.
70. Steelink C. (1985) Implications of elemental characteristics of humic substances. In Humic Substances in Soil Sediment and Water: Geochemistry, Isolation and Characterization (ed. G. C. Aiken et al.), pp. 457-476. Wiley.
71. Subczynski W. K. and Hyde J. S. (1984) Diffusion of oxygen in water and hydrocarbons using an electron spin resonance spin-label technique. Biophys. J. 45, 743-748.
72. Swallow A. J. (1960) Radiation Chemistry of Organic Compounds. Pergamon.
73. Wertz J. E. and Bolton J. R. (1986) Electron Spin Resonance: Elementary Theory and Practical Applications. Chapman and Hall.
74. Yen T. F. and Sprang S. R. (1977) Contribution of ESR analysis toward diagenetic mechanisms in bituminous deposits. Geochim. Cosmochim. Acta 41, 1007-1018.
75. Zumberge J. E., Sigleo A. C., and Nagy B. (1978) Molecular and elemental analyses of the carbonaceous matter in the gold and uranium bearing Vaal Reef carbon seems, Witwatersrand sequence. Mineral Sci. Engin. 10, 223-246.