B. G. Van-aarssen, R. Alexander, and R. I. Kagi, Higher plant biomarkers reflect palaeovegetation changes during Jurassic times, Geochimica et Cosmochimica Acta, vol.64, issue.8, pp.1417-1424, 2000.
DOI : 10.1016/S0016-7037(99)00432-9

W. Carruthers and D. A. Watkins, 143. The constituents of high-boiling petroleum distillates. Part VIII. Identification of 1,2,3,4-tetrahydro-2,2,9-trimethylpicene in an American crude oil, Journal of the Chemical Society (Resumed), pp.724-729, 1964.
DOI : 10.1039/jr9640000724

A. L. Chaffee and C. J. Fookes, Polycyclic aromatic hydrocarbons in Australian coals???III. Structural elucidation by proton nuclear magnetic resonance spectroscopy, Organic Geochemistry, vol.12, issue.3, 1988.
DOI : 10.1016/0146-6380(88)90263-X

A. L. Chaffee, M. G. Strachan, and R. B. Johns, Polycyclic aromatic hydrocarbons in Australian coals II. Novel tetracyclic components from Victorian brown coal, Geochimica et Cosmochimica Acta, vol.48, issue.10, pp.2037-2043, 1984.
DOI : 10.1016/0016-7037(84)90384-3

B. Corbet, Origine et transformation des triterpènes dans les sédiments récents, 1980.

P. A. Cranwell, Organic geochemistry of lacustrine sediments: triterpenoids of higher plant origin reflecting post-glacial vegetational succession Lake sediments and environmental history, pp.69-92, 1984.

M. C. Das and S. B. Mahato, Triterpenoids, Phytochemistry, vol.22, issue.5, pp.1071-1095, 1983.
DOI : 10.1016/0031-9422(83)80198-8

J. R. Disnar, B. Guillet, D. Kéravis, C. Di-giovanni, and D. Sebag, Soil organic matter (SOM) characterization by Rock-Eval pyrolysis: scope and limitations, Organic Geochemistry, vol.34, issue.3, pp.327-343, 2003.
DOI : 10.1016/S0146-6380(02)00239-5

URL : https://hal.archives-ouvertes.fr/hal-00069394

C. Djerassi, H. Budzikiewicz, and J. M. Wilson, Mass spectrometry in structural and stereochemical problems unsaturated pentacyclic triterpenoids, Tetrahedron Letters, vol.3, issue.7, pp.263-270, 1962.
DOI : 10.1016/S0040-4039(00)70864-1

C. M. Ekweozor, J. I. Okogun, D. E. Ekong, and J. Maxwell, Preliminary organic geochemical studies of samples from the niger delta (Nigeria), Chemical Geology, vol.27, issue.1-2, pp.29-37, 1979.
DOI : 10.1016/0009-2541(79)90101-3

M. H. Elgamal, M. B. Fayez, and T. Kemp, The mass spectra of some triterpenoid dehydration products, Organic Mass Spectrometry, pp.175-194, 1969.
DOI : 10.1002/oms.1210020204

V. Hauke, Reconstruction de paléoenvironnements de dépôts en séries sédimentaires: étude au moyen de marqueurs biologiques, 1994.

H. L. Ten-haven and J. Rullkötter, The diagenetic fate of taraxer-14-ene and oleanene isomers, Geochimica et Cosmochimica Acta, vol.52, issue.10, pp.2543-2548, 1988.
DOI : 10.1016/0016-7037(88)90312-2

H. L. Ten-haven, T. M. Peakman, and J. Rullkötter, ??2-Triterpenes: Early intermediates in the diagenesis of terrigenous triterpenoids, Geochimica et Cosmochimica Acta, vol.56, issue.5, 1991.
DOI : 10.1016/0016-7037(92)90325-D

H. L. Ten-haven, J. Rullkötter, and R. Stein, Preliminary Analysis of Extractable Lipids in Sediments from the Eastern North Atlantic (Leg 108): Comparison of a Coastal Upwelling Area (Site 658) with a Nonupwelling Area (Site 659), Proceedings of the Ocean Drilling Project Scientific Results, pp.351-360, 1992.
DOI : 10.2973/odp.proc.sr.108.142.1989

I. Hazai, G. Alexander, T. Szekely, B. Essinger, and D. Radek, Investigation of hydrocarbon constituents of a young sub-bituminous coal by gas chromatography-mass spectrometry, Journal of Chromatography A, vol.367, pp.117-133, 1986.
DOI : 10.1016/S0021-9673(00)94821-0

J. Jacob, Enregistrement des variations paléoenvironnementales depuis, 2003.

J. Jacob, Water balance over the last 20,000 yrs in North-Eastern Brazil. Insights from the ?D variations of fatty acids from a lacustrine series (Lagoa do Caçó), EAOG Newsletter, vol.18, pp.6-10, 2004.
URL : https://hal.archives-ouvertes.fr/insu-00689321

J. Jacob, J. R. Disnar, M. Boussafir, M. Ledru, A. Sifeddine et al., Onocerane attests to dry climatic events during the Quaternary in the tropics, Organic Geochemistry, vol.35, issue.3, pp.289-297, 2004.
DOI : 10.1016/j.orggeochem.2003.11.005

R. Jaffé and K. B. Hausmann, Origin and early diagenesis of arborinone/isoarborinol in sediments of a highly productive freshwater lake, Organic Geochemistry, vol.22, issue.1, pp.231-235, 1995.
DOI : 10.1016/0146-6380(95)90020-9

R. Jaffé, G. A. Wolff, A. C. Cabrera, and H. I. Carvajal-chitty, The biogeochemistry of lipids in rivers of the Orinoco Basin, Geochimica et Cosmochimica Acta, vol.59, issue.21, pp.4507-4522, 1995.
DOI : 10.1016/0016-7037(95)00246-V

V. Jarolim, K. Hejno, F. Hemmert, and F. Sorm, ??ber die zusammensetzung der braunkohle IX. ??ber einige aromatische kohlenwasserstoffe des harzanteils des montanwachses, Über die Zusammensetzung der Braunkohle, IX. Über einige aromatische Kohlenwasserstoffe des Harzanteils des Montanwachses, pp.873-879, 1965.
DOI : 10.1135/cccc19650873

S. D. Killops, J. I. Raine, A. D. Woolhouse, and R. J. Weston, Chemostratigraphic evidence of higher-plant evolution in the Taranaki Basin, New Zealand, Organic Geochemistry, vol.23, issue.5, pp.429-445, 1995.
DOI : 10.1016/0146-6380(95)00019-B

B. P. Koch, J. Rullkötter, and R. J. Lara, Evaluation of triterpenols and sterols as organic matter biomarkers in a mangrove ecosystem in northern Brazil, Wetlands Ecology and Management, vol.11, issue.4, pp.257-263, 2003.
DOI : 10.1023/A:1025063516054

R. E. Laflamme and R. A. Hites, The global distribution of polycyclic aromatic hydrocarbons in recent sediments, Geochimica et Cosmochimica Acta, vol.42, issue.3, pp.289-303, 1978.
DOI : 10.1016/0016-7037(78)90182-5

B. Turcq, Late-glacial cooling in Amazonia as inferred from pollen at Lagoa do Caçó, Northern Brazil, Quaternary Research, vol.55, pp.47-56, 2001.

G. A. Logan and G. Eglinton, Biogeochemistry of the Miocene lacustrine deposit, at Clarkia, northern Idaho, U.S.A., Organic Geochemistry, vol.21, issue.8-9, pp.857-870, 1994.
DOI : 10.1016/0146-6380(94)90045-0

F. Lohmann, Aromatisations microbiennes de triterpènes végétaux, 1988.

M. R. Loureiro and J. N. Cardoso, Aromatic hydrocarbons in the Paraiba Valley oil shale, Organic Geochemistry, vol.15, issue.4, pp.351-359, 1990.
DOI : 10.1016/0146-6380(90)90161-R

S. B. Mahato, S. K. Sarkar, and S. G. Poddar, Triterpenoid saponins, Phytochemistry, vol.27, issue.10, pp.3037-3067, 1988.
DOI : 10.1016/0031-9422(88)80001-3

S. B. Mahato and S. Sen, Advances in triterpenoid research, 1990???1994, Phytochemistry, vol.44, issue.7, pp.1185-1236, 1997.
DOI : 10.1016/S0031-9422(96)00639-5

D. H. Miles, K. Tunsuwan, V. Chittawong, P. A. Hedin, and U. Kokpol, Boll weevil antifeedants from Eleocharis dulcis Trin, Journal of Agricultural and Food Chemistry, vol.42, issue.7, pp.1561-1562, 1994.
DOI : 10.1021/jf00043a032

P. Pant and R. P. Rastogi, The triterpenoids, Phytochemistry, vol.18, issue.7, pp.1095-1108, 1979.
DOI : 10.1016/0031-9422(79)80115-6

R. P. Philp, Fossil fuel biomarkers. Applications and Spectra, 1985.

T. Prartono and G. A. Wolff, Organic geochemistry of lacustrine sediments: a record of the changing trophic status of Rostherne Mere, U.K., Organic Geochemistry, vol.28, issue.11, pp.729-747, 1998.
DOI : 10.1016/S0146-6380(98)00016-3