J. Newman, N. A. Newman, and N. , Reflectance anomalies in Pike River coals: Evidence of variability in vitrinite type, with implications for maturation studies and ???Suggate rank???, New Zealand Journal of Geology and Geophysics, vol.81, issue.2, p.233, 1982.
DOI : 10.1080/00288306.1982.10422511

M. Teichmüller, Recent advances in coalification studies and their application to geology, Geological Society, London, Special Publications, vol.32, issue.1, p.127, 1987.
DOI : 10.1144/GSL.SP.1987.032.01.09

M. G. Fowler, T. Gentzis, F. Goodarzi, and A. E. , The petroleum potential of some Tertiary lignites from northern Greece as determined using pyrolysis and organic petrological techniques, Organic Geochemistry, vol.17, issue.6, p.805, 1991.
DOI : 10.1016/0146-6380(91)90022-C

H. Fang and C. Jianyu, THE CAUSE AND MECHANISM OF VITRINITE REFLECTANCE ANOMALIES, Journal of Petroleum Geology, vol.11, issue.4, p.419, 1992.
DOI : 10.1111/j.1747-5457.1992.tb01043.x

B. A. Stankiewicz, M. A. Kruge, and M. Mastalerz, A geochemical study of macerals from a Miocene lignite and an Eocene bituminous coal, Indonesia, Organic Geochemistry, vol.24, issue.5, p.531, 1996.
DOI : 10.1016/0146-6380(96)00038-1

H. I. Petersen and P. Rosenberg, REFLECTANCE RETARDATION (SUPPRESSION) AND SOURCE ROCK PROPERTIES RELATED TO HYDROGEN-ENRICHED VITRINITE IN MIDDLE JURASSIC COALS, DANISH NORTH SEA, Journal of Petroleum Geology, vol.71, issue.3, p.247, 1998.
DOI : 10.1021/ef00048a032

L. W. Gurba and C. R. Ward, Vitrinite reflectance anomalies in the high-volatile bituminous coals of the Gunnedah Basin, New South Wales, Australia, International Journal of Coal Geology, vol.36, issue.1-2, p.111, 1998.
DOI : 10.1016/S0166-5162(97)00033-5

A. C. Hutton and A. C. , Influence of alginite on the reflectance of vitrinite from Joadja, NSW, and some other coals and oil shales containing alginite, Fuel, vol.59, issue.10, p.711, 1980.
DOI : 10.1016/0016-2361(80)90025-3

M. Teichmüller, Organic petrology in the service of archaeology, International Journal of Coal Geology, vol.20, issue.1-2, p.1, 1992.
DOI : 10.1016/0166-5162(92)90002-E

S. Watts, A. M. Pollard, and G. A. , KIMMERIDGE JET?A POTENTIAL NEW SOURCE FOR BRITISH JET, Archaeometry, vol.109, issue.1, p.125, 1997.
DOI : 10.1126/science.159.3812.302

M. Mastalerz, K. R. Wilks, and R. M. , Variation in vitrinite chemistry as a function of associated liptinite content; a microprobe and FT-i.r. investigation, Organic Geochemistry, vol.20, issue.5, p.555, 1993.
DOI : 10.1016/0146-6380(93)90023-5

H. I. Petersen and H. Vosgerau, Composition and organic maturity of Middle Jurassic coals, North-East Greenland: evidence for liptinite-induced suppression of huminite reflectance, International Journal of Coal Geology, vol.41, issue.3, p.257, 1999.
DOI : 10.1016/S0166-5162(99)00022-1

G. H. Taylor, M. Teichmüller, A. Davis, C. F. Diessel, R. Littke et al., A new handbook incorporating some revised parts of Stach's Textbook of Coal petrology, 1998.

F. T. Ting and J. Org, Comparative studies of the reflectivity of vitrinite and sporinite, Organic Geochemistry, vol.14, issue.3, p.247, 1989.
DOI : 10.1016/0146-6380(89)90053-3

R. Syskes, M. G. Fowler, and K. C. , A Plant Tissue Origin for Ulminites A and B in Saskatchewan Lignites and Implications for R0, Energy & Fuels, vol.8, issue.6, p.1402, 1994.
DOI : 10.1021/ef00048a032

E. Zhang, P. G. Hatcher, and A. D. Org, Chemical composition of pseudo-phlobaphinite precursors: implications for the presence of aliphatic biopolymers in vitrinite from coal, Organic Geochemistry, vol.20, issue.6, p.721, 1993.
DOI : 10.1016/0146-6380(93)90057-I

S. A. Stout and J. J. Org, Structural characterization of the organic polymers comprising a lignite's matrix and megafossils, Organic Geochemistry, vol.21, issue.8-9, p.953, 1994.
DOI : 10.1016/0146-6380(94)90054-X

I. Suárez-ruiz, A. Jiménez, M. J. Iglesias, F. Laggoun-défarge, and J. G. , Influence of Resinite on Huminite Properties, Energy & Fuels, vol.8, issue.6, p.1417, 1994.
DOI : 10.1021/ef00048a033

L. C. Price and C. E. Barker, SUPPRESSION OF VTRINITE REFLECTANCE IN AMORPHOUS RICH KEROGEN - A MAJOR UNRECOGNIZED PROBLEM, Journal of Petroleum Geology, vol.64, issue.7, p.59, 1985.
DOI : 10.1306/03B5B5D3-16D1-11D7-8645000102C1865D

A. Jiménez, M. J. Iglesias, and F. , Laggoun-Défarge and I. Suárez-Ruiz Chem, Geol, vol.150, p.197, 1998.

S. Creaney, D. E. Pearson, and L. G. , Anomalous coking properties of the Wolgan Seam, NSW Australia, Fuel, vol.59, issue.6, p.438, 1980.
DOI : 10.1016/0016-2361(80)90199-4

M. J. Iglesias, A. Jiménez, and F. , FTIR Study of Pure Vitrains and Associated Coals, Energy & Fuels, vol.9, issue.3, p.458, 1995.
DOI : 10.1021/ef00051a010
URL : https://hal.archives-ouvertes.fr/hal-00142480

P. G. Hatcher, H. E. Lerch, and T. V. , Organic geochemical studies of the transformation of gymnospermous xylem during peatification and coalification to subbituminous coal, International Journal of Coal Geology, vol.13, issue.1-4, p.65, 1989.
DOI : 10.1016/0166-5162(89)90090-6

P. G. Hatcher and . Org, Chemical structural models for coalified wood (vitrinite) in low rank coal, Organic Geochemistry, vol.16, issue.4-6, p.959, 1990.
DOI : 10.1016/0146-6380(90)90132-J

P. G. Hatcher, J. Faulon, K. A. Wenzel, and G. D. , A structural model for lignin-derived vitrinite from high-volatile bituminous coal (coalified wood), Energy & Fuels, vol.6, issue.6, p.813, 1992.
DOI : 10.1021/ef00036a018

P. G. Hatcher, H. E. Lerche, I. , R. Kotra, and T. V. , Pyrolysis g.c.???m.s. of a series of degraded woods and coalified logs that increase in rank from peat to subbituminous coal???, Fuel, vol.67, issue.8, p.1069, 1988.
DOI : 10.1016/0016-2361(88)90372-9

C. E. Burgess and H. H. , Relationship of Coal Characteristics Determined by Pyrolysis/Gas Chromatography/Mass Spectrometry and Nuclear Magnetic Resonance to Liquefaction Reactivity and Product Composition, Energy & Fuels, vol.12, issue.6, p.1212, 1998.
DOI : 10.1021/ef9800462

X. Querol, J. L. Fernandez, J. W. Hagemman, J. Dehmer, R. Juan et al., Distribution of sulfur in coals of the Teruel mining district, Spain, International Journal of Coal Geology, vol.18, issue.3-4, p.327, 1991.
DOI : 10.1016/0166-5162(91)90056-O

A. Traverse and R. W. , Utah Jet: A Vitrinite with Aberrant Properties, Science, vol.159, issue.3812, p.302, 1968.
DOI : 10.1126/science.159.3812.302

I. Suárez-ruiz and J. G. Prado, Geochemistry and Conversion of Oil ShalesNATO ASI series, Series C, Mathematical and Physical Sciences, vol.455, pp.387-394, 1995.

C. Teixeira, G. Zebyszewski, C. Torre-de-assunçao, and G. Manuela, Carta Geologica de Portugal" Noticia Explicativa da Folha 23-C: Leira. Na Escala 1/50.000. Serviços Geologicos de Portugal, Direcçao Geral de Minas e Serviços Geologicos. Ministerio da Economia, 1968.

F. F. Helmdach, Stratigraphy and Ostracod-Fauna from the Coalmine Guimarota (Upper Jurassic). In: Contribuiçao para o conhecimiento da fauna do Kimeridgiano da Mina de Lignito Guimarota (Leira, Portugal). II parte, Memoria, vol.17, pp.42-88, 1971.

A. Jiménez, M. J. Iglesias, F. Laggoun-défarge, and I. Suárez-ruiz, Effect of the increase in temperature on the evolution of the physical and chemical structure of vitrinite, Journal of Analytical and Applied Pyrolysis, vol.50, issue.2, p.117, 1999.
DOI : 10.1016/S0165-2370(99)00027-3

A. M. Pollard, G. D. Buseel, and D. C. , THE ANALYTICAL INVESTIGATION OF EARLY BRONZE AGE JET AND JET-LIKE MATERIAL FROM THE DEVIZES MUSEUM, Archaeometry, vol.11, issue.2, p.139, 1981.
DOI : 10.1111/j.1475-4754.1981.tb00303.x

M. Teichmüller and B. Durand, Fluorescence microscopical rank studies on liptinites and vitrinites in peat and coals, and comparison with results of the rock-eval pyrolysis, International Journal of Coal Geology, vol.2, issue.3, p.197, 1983.
DOI : 10.1016/0166-5162(83)90001-0

M. Radke, H. Willsch, and M. T. Org, Generation and distribution of aromatic hydrocarbons in coals of low rank, Organic Geochemistry, vol.15, issue.6, p.539, 1990.
DOI : 10.1016/0146-6380(90)90101-5

H. J. Schenk, E. G. Witte, R. Littke, K. Scwochau, and . Org, Structural modifications of vitrinite and alginite concentrates during pyrolitic maturation at different heating rates. A combined infrared, 13C NMR and microscopical study, Organic Geochemistry, vol.16, issue.4-6, p.943, 1990.
DOI : 10.1016/0146-6380(90)90130-R

J. V. Ibarra, E. Muñoz, and R. M. Org, FTIR study of the evolution of coal structure during the coalification process, Organic Geochemistry, vol.24, issue.6-7, p.725, 1996.
DOI : 10.1016/0146-6380(96)00063-0

L. J. Bellamy-in, The Infrared Spectra of Complex Molecules I, p.72, 1975.
DOI : 10.1007/978-94-011-6520-4

M. J. Iglesias, A. Jiménez, J. C. Del-río, and I. Suárez-ruiz, Molecular characterisation of vitrinite in relation to natural hydrogen enrichment and depositional environment, Organic Geochemistry, vol.31, issue.12, p.1285, 2000.
DOI : 10.1016/S0146-6380(00)00086-3

C. M. White, M. L. Lee, and . Geochim, Identification and geochemical significance of some aromatic components of coal, Geochimica et Cosmochimica Acta, vol.44, issue.11, p.1825, 1980.
DOI : 10.1016/0016-7037(80)90231-8

H. Solli, S. R. Larter, and A. G. Douglas, The analysis of kerogens by pyrolysis???gas chromatography???mass spectrometry using selective ion monitoring, Journal of Analytical and Applied Pyrolysis, vol.1, issue.3, p.231, 1980.
DOI : 10.1016/0165-2370(80)80006-4

M. Radke, H. Willsch, D. Leythaeuser, and M. T. Geochim, Aromatic components of coal: relation of distribution pattern to rank, Geochimica et Cosmochimica Acta, vol.46, issue.10, p.1831, 1982.
DOI : 10.1016/0016-7037(82)90122-3

R. Alexander, R. I. Kagi, S. J. Rowland, P. N. Sheppard, and T. V. , The effects of thermal maturity on distributions of dimethylnaphthalenes and trimethylnaphthalenes in some Ancient sediments and petroleums, Geochimica et Cosmochimica Acta, vol.49, issue.2, p.385, 1985.
DOI : 10.1016/0016-7037(85)90031-6

J. V. Christiansen, A. Feldthus, and L. Carlsen, Flash pyrolysis of coals. Temperature-dependent product distribution, Journal of Analytical and Applied Pyrolysis, vol.32, p.51, 1995.
DOI : 10.1016/0165-2370(94)00826-M

M. I. Venkatesan, K. Ohta, S. A. Stout, S. Steinberg, and J. L. , Diagenetic trends of lignin phenols in Mahakam Delta coals: correlation between laboratory thermal maturation and natural samples, Organic Geochemistry, vol.20, issue.4, p.463, 1993.
DOI : 10.1016/0146-6380(93)90093-Q

L. Mansuy, P. Landais, and O. , Importance of the Reacting Medium in Artificial Maturation of a Coal by Confined Pyrolysis. 1. Hydrocarbons and Polar Compounds, Energy & Fuels, vol.9, issue.4, p.691, 1995.
DOI : 10.1021/ef00052a018

L. Mansuy and P. , Importance of the reacting medium in artificial maturation of a coal by confined pyrolysis. 2. Water and polar compounds, Energy & Fuels, vol.9, issue.5, p.809, 1995.
DOI : 10.1021/ef00053a012