B. Beaudoin, E. P. M-'ban, A. Montanari, and M. Pinault, Lithostratigraphie haute résolution (<20 ka) dans le Cénomanien du bassin d'Ombrie-Marches (Italie) Comptes Rendus de l, pp.689-696, 1996.

. Behar, C Largeau Closed pyrolyses of the isoprenoid algaenan of Botryococcus braunii, race. Geochemical implications for derived kerogens, Geochimica et Cosmochimica Acta, pp.59-2983, 1995.

A. Bergamashi, R. Tsamakis, T. Keil, D. Eglinton, and J. Montluçon, I Hedges The effect of grain size and surface area on organic matter, lignin and carbohydrate concentration, and molecular composition in Peru Margin sediments, Geochimica et Cosmochimica Acta, pp.61-1247, 1997.

A. Bishop, J. Westrich, and R. Patience, Analysis of sedimentary organic materials by scanning electron microscopy: the application of backscattered electron imagery and light element X-ray microanalysis, Organic Geochemistry, vol.18, issue.4, pp.431-446, 1992.
DOI : 10.1016/0146-6380(92)90106-8

M. Boussafir, . Gelin, S. Lallier-vergès, . Derenne, and . Bertrand, C Largeau Electron microscopy and pyrolysis of kerogens from the Kimmeridge Clay Formation, UK.: source organisms, preservation processes and origin of microcycles, Geochimica et Cosmochimica Acta, pp.59-3731, 1995.

M. J. Collins and A. Bishop, P Farrimond Sorption by mineral surfacesrebirth of the classical condensation pathway for kerogen formation?, Geochimica et Cosmochimica Acta, pp.59-2387, 1995.

T. Degens and V. Ittekkot, A new look at clay?organic interactions Miteilungen des Geologisch-Paläontologischen Institutes der, pp.229-248, 1984.

S. Derenne-1994, C. Derenne, and . Largeau, Behar Low polarity pyrolysis products of Permian to Recent Botryococcus-rich sedimentsfirst evidence for the contribution of an isoprenoid algaenan to kerogen formation, Geochimica et Cosmochimica Acta, pp.58-3703, 1994.

A. Duhaut, S. Lemoine, P. Adam, J. Berrut, J. Connan et al., Structural modification of geomacromolecules induced by oxidation of crude oil under natural conditions, Abstracts 18th International Meeting on Organic Geochemistry, pp.95-96, 1997.

H. Freeman, J. Hayes, and J. Trendel, P Albrecht Evidence from carbon isotope measurements for diverse origins of sedimentary hydrocarbons, Nature, pp.343-254, 1990.

E. Innes, A. Bishop, and I. Head, Preservation and diagenesis of hopanoids in Recent lacustrine sediments of Priest Pot, England, Organic Geochemistry, vol.26, issue.9-10, pp.565-576, 1997.
DOI : 10.1016/S0146-6380(97)00017-X

C. Largeau, . Derenne, . Casadevall, and . Kadouri, Pyrolysis of immature Torbanite and of the resistant biopolymer (PRB A) isolated from extant alga Botryococcus braunii. Mechanism of formation and structure of torbanite, Organic Geochemistry, vol.10, issue.4-6, pp.1023-1032, 1985.
DOI : 10.1016/S0146-6380(86)80041-9

M. Mayer, P. Rahaim, S. Guerin, . Macko, and F. Watling, Anderson Biological and granulometric controls on sedimentary organic matter of an intertidal mudflat Estuarine Marine and Coastal Shelf Science, pp.491-503, 1985.

. Provenance, concentration and nature of sedimentary organic nitrogen in the Gulf of Maine Marine Chemistry, pp.291-304, 1988.

L. Mayer-1994a and . Mayer, Surface area control of organic carbon accumulation in continental shelf sediments, Geochimica et Cosmochimica Acta, vol.58, issue.4, pp.1271-1284, 1994.
DOI : 10.1016/0016-7037(94)90381-6

L. Mayer-1994b and . Mayer, Relationships between mineral surfaces and organic carbon concentrations in soils and sediments Chemical Geology, pp.347-363, 1994.

G. Ourisson and . Albrecht, Rohmer The hopanoids, paleochemistry and biochemistry of a group of natural products, Pure and Applied Chemistry, vol.51, pp.709-729, 1979.

B. Ransom, R. Bennett, and R. Baerwald, situ organic matter in recent marine sedimenta TEM investigation of organic matter preservation on continental margins and the monolayer hypothesis Marine Geology, pp.1-9, 1997.

R. Ransom, K. Shea, P. Burkett, and R. Bennett, R Baerwald Comparison of pelagic and nepheloid layer marine snowimplications for carbon cycling on the California margin Marine Geology, pp.39-50, 1998.

. Salmon, A Mariotti Kerogen chemical structure and source organisms in a Cenomanian organic-rich black shale (Central Italy) ? indications for an important role of the ?sorptive protection? pathway, Organic Geochemistry, pp.27-423, 1997.

O. Schlanger and H. , C Jenkyns Cretaceous oceanic anoxic events: causes and consequences Geologie en Mijnbouw, pp.179-184, 1976.

J. Sinninghe-damsté, T. Eglinton, J. Leeuw, and P. , A de Schenck Organic sulphur in macromolecular organic matter. I. Structure and origin of sulphur-containing moieties in kerogen, asphaltenes and coals as revealed by flash pyrolysis, Geochimica et Cosmochimica Acta, pp.53-873, 1989.

&. Tanoue and . Handa, Differential sorption of organic matter by various sized sediment particles in recent sediment from the bering sea, Journal of the Oceanographical Society of Japan, vol.178, issue.5, pp.199-208, 1979.
DOI : 10.1007/BF02108640

E. W. Tegelaar, J. W. Leeuw, . De, S. Derenne, and C. Largeau, A reappraisal of kerogen formation, Geochimica et Cosmochimica Acta, vol.53, issue.11, pp.3103-3106, 1989.
DOI : 10.1016/0016-7037(89)90191-9