• Adam P., Schmid J. C., Mycke B., Strazielle C., Connan J., Huc A., Riva A., and Albrecht P. (1993) Structural investigation of non-polar sulfur cross-linked macromolecules in petroleum. Geochim. Cosmochim. Acta. 57, 3395-3419.
  • Albaiges J. (1980) Identification and geochemical significance of long chain acyclic isoprenoids in crude oils. In Advances in Organic Geochemistry 1979 (ed. A. G. Douglas and J. R. Maxwell), pp. 19-28. Pergamon.
  • Alexander R., Kagi R. I., and Noble R. (1983) Identification of the bicyclic sesquiterpenes drimane and eudesmane in petroleum. Chem. Commun., 226-228.
  • Alexander R., Larcher A. V., Kagi R. I., and Price P. L. (1988) The use of plant-derived biomarkers for correlation of oils with source rocks in the Cooper/Eromanga basin system, Australia. APEA J. 28, 310-324.
  • Alexander R., Larcher A. V., Kagi R. I., and Price P. L. (1992) An oil-source correlation study using age-specific plant-derived biomarkers. In Biological Markers in Sediments and Petroleum (ed. J. M. Moldowan, P. Albrecht, and R. P. Philp), pp. 210-221. Prentice-Hall.
  • Alexander R., Noble R., and Kagi R. I. (1987) Fossil resin biomarkers and their application in oil to source rock correlation, Gippsland Basin, Australia. APEA J. 27(1), 63-71.
  • Allard B., Rager M.-N., and Templier J. (2002) Occurrence of high molecular weight lipids (C80+) in the trilaminar outer cell walls of some freshwater microalgae. A reappraisal of algaenan structure. Org. Geochem. 33, 789-801.
  • Allard W. G., Belt S. T., Mass G., Naumann R., Robert J.-M., and Rowland S. J. (2001) Tetra-unsaturated sesterterpenoids (Haslenes) from Haslea ostrearia and related species. Phytochemistry 56, 795-800.
  • Anbar A. D. and Knoll A. H. (2002) Proterozoic ocean chemistry and evolution: a bioinorganic bridge? Science 297, 1137-1142.
  • Andrusevich V. E., Engel M. H., and Zumberge J. E. (2001) Applications of paleogeographic reconstructions for evaluating secular, isotopic trends exhibited by crude oils. 20th International Meeting on Organic Geochemistry, 243-244.
  • Andrusevich V. E., Engel M. H., Zumberge J. E., and Brothers L. A. (1998) Secular, episodic changes in stable isotopic composition of crude oils. Chem. Geol. 152, 59-72.
  • Aquino Neto F. R., Trendel J. M., Restle A., Connan J., and Albrecht P. A. (1983) Occurrence and formation of tricyclic and tetracyclic terpanes in sediments and petroleums. In Advances in Organic Geochemistry 1981 (ed. M. Bjoroy), pp. 659-667. John Wiley & Sons.
  • Aquino Neto F. R., Triguis J., Azevedo D. A., Rodrigues R., and Simoneit B. R. T. (1992) Organic geochemistry of geographically unrelated Tasmanites. Org. Geochem. 18, 791-803.
  • Arouri K., Conaghan P. J., Walter M. R., Bischoff G. C. O., and Grey K. (2000a) Reconnaissance sedimentology and hydrocarbon biomarkers of Ediacaran microbial mats and acritarchs, lower Ungoolya Group, Officer Basin. Precambrian Res. 100, 235-280.
  • Arouri K., Greenwood P. F., and Walter M. R. (1999) A possible chlorophycean affinity of some Neoproterozoic acritarchs. Org. Geochem. 30, 1323-1337.
  • Arouri K., Greenwood P. F., and Walter M. R. (2000b) Biological affinities of Neoproterozoic acritarchs from Australia: microscopic and chemical characterisation. Org. Geochem. 31(1), 75-89.
  • Audino M., Grice K., Alexander R., and Kagi R. I. (2002) Macrocyclic alkanes in crude oils from the algaenan of Botryococcus braunii. Org. Geochem. 33, 979984.
  • Audino M., Grice K., Alexander R., Kagi R. I., and Boreham C. J. (2001) Unusual distribution of monomethylalkanes in Botryococcus braunii-rich Samples: origin and significance. Geochim. Cosmochim. Acta 65, 1995-2006.
  • Barber C. J., Grice K., Bastow T. P., Alexander R., and Kagi R. I. (2001) The identification of crocetane in Australian crude oils. Org. Geochem. 32, 943-947.
  • Barber C. J., Grice K., Bastow T. P., Alexander R., and Kagi R. I. (2002) Corrigendum to: The identification of crocetane in Australian crude oils. Org. Geochem. 33, 89.
  • Beastall G. H., Tyndall A. M., Rees H. H., and Goodwin T. W. (1974) Sterols of the Porphyridium series. 4a-Methyl-5a-cholesta-8,22-dien-3b-ol and 4,24-dimethyl-5a-cholesta-8,22-dien-3b-ol: two novel sterols from Porphyridium cruentum. Eur. J. Biochem. 41, 301-309.
  • Belt S. T., Allard W. G., Mass G., Robert J.-M., and Rowland S. J. (2000) Highly branched isoprenoids (HBIs): identification of the most common and abundant sedimentary isomers. Geochim. Cosmochim. Acta 64, 3839-3851.
  • Benner S. A. (2001) Natural Progression. Nature 409, 459.
  • Bertheas O., Metzger P., and Largeau C. (1999) A high molecular weight complex lipid, aliphatic polyaldehyde tetraterpenediol polyacetal from Botryococcus braunii (L race). Phytochemistry 50, 85-96.
  • Bian L., Hinrichs K.-U., Xie T., Brassell S. C., Iversen N., Fossing H., Jorgensen B. B., Sylva S. P., and Hayes J. M. (2001) Algal and archaeal polyisoprenoids in a recent marine sediment: molecular isotopic evidence for anaerobic oxidation of methane. Geochem. Geophys. Geosyst. 2, 2000GC000112.
  • Bird C. W., Lynch J. M., Pirt F. J., Reid W. W., Brooks C. J. W., and Middleditch B. S. (1971) Steroids and squalene in Methylococcus capsulatus grown on methane. Nature 230, 473-474.
  • Bisseret P., Zundel M., and Rohmer M. (1985) 2b-Methylhopanoids from Methylobacterium organophilum and Nostoc muscorum, a new series of prokaryotic triterpenoids. Eur. J. Biochem. 150, 29-34.
  • Blokker P., Schouten S., de Leeuw J. W., Sinninghe Damste J. S., and van den Ende H. (2000) A comparative study of fossil and extant algaenans using ruthenium tetroxide degradation. Geochim. Cosmochim. Acta 64(12), 2055-2065.
  • Blokker P., Schouten S., van den Ende H., de Leeuw J. W., Hatcher P. G., and Sinninghe Damst J. S. (1998) Chemical structure of algaenans from the fresh water algae Tetraedron minimum, Scenedesmus communis and Pediastrum boryanum. Org. Geochem. 29(5-7), 1453-1468.
  • Blokker P., van Bergen P. F., Pancost R. D., Collinson M. E., Sinninghe Damst J. S., and de Leeuw J. W. (2001) The chemical structure of Gloeocapsamorpha prisca microfossils: implication for their origin. Geochim. Cosmochim. Acta 65, 885-900.
  • Bode H. B., Zeggel B., Silakowski B., Wenzel S. C., Hans R., and Müller R. (2003) Steroid biosynthesis in prokaryotes: identification of myxobacterial steroids and cloning of the first bacterial 2,3(S)-oxidosqualene cyclase from the myxobacterium Stigmatella aurantiaca. Mol. Microbiol. 47(2), 471481.
  • Boetius A., Ravenschlag K., Schubert C. J., Rickert D., Widdel F., Gieseke A., Amann R., Jørgensen B. B., Witte U., and Pfannkuche O. (2000) A marine microbial consortium apparently mediating anaerobic oxidation of methane. Nature 407, 623-626.
  • Bosch H.-J., Sinninghe Damsté J. S., and de Leeuw J. W. (1998) Molecular palaeontology of eastern Mediterranean sapropels: evidence for photic zone euxinia. Proceedings of the Ocean Drilling Program, Scientific Results 160, 285-295.
  • Brasier M. D., Green O. R., Jephcoat A. P., Kleppe A. K., van Kranendonk M. J., Lindsay J. F., Steele A., and Grassineau N. V. (2002) Questioning the evidence for the Earth’s oldest fossils. Nature 416, 76-81.
  • Brassell S. C., Eglinton G., Marlowe I. T., Pflaufmann U., and Sarnthein M. (1986) A new tool for climatic assessment. Nature 320, 129-133.
  • Brassell S. C., Wardroper A. M. K., Thomson I. D., Maxwell J. R., and Eglinton G. (1981) Specific acyclic isoprenoids as biological markers of methanogenic bacteria in marine sediments. Nature 290, 693-696.
  • Brigaud F. (1998) HP-HT petroleum system prediction from basin to prospect scale. Final report, project OG/211/94FR/UK. Commission of the European Community, Directorate General for Energy, Brussel.
  • Britton G. (1995) History: 175 years of carotenoid chemistry. In Carotenoids, Vol. 1a (ed. G. Britton, H. Pfander, and S. Liaaen-Jensen), pp. 13-26. Birkhauser.
  • Britton G., Liaaen-Jensen S., and Pfander H. (1995) Carotenoids today and challenges for the future. In Carotenoids: Isolation and Analysis, Vol. 1A. Birkhäuser.
  • Brochier C. and Philippe H. (2002) A non-thermophilic ancestor for Bacteria. Nature 417, 244.
  • Brocks J. J., Buick R., Logan G. A., and Summons R. E. (2003a) Composition and syngeneity of molecular fossils from the 2.78 – 2.45 billion year old Mount Bruce Supergroup, Pilbara Craton, Western Australia. Geochim. Cosmochim. Acta, in press.
  • Brocks J. J., Buick R., Summons R. E., and Logan G. A. (2003b) A reconstruction of Archean biological diversity based on molecular fossils from the 2.78 – 2.45 billion year old Mount Bruce Supergroup, Hamersley Basin, Western Australia. Geochim. Cosmochim. Acta, in press.
  • Brocks J. J., Logan G. A., Buick R., and Summons R. E. (1999) Archean molecular fossils and the early rise of eukaryotes. Science 285, 1033-1036.
  • Brocks J. J., Love G. D., Snape C. E., Logan G. A., Summons R. E., and Buick R. (2003c) Release of bound aromatic hydrocarbons from late Archean and Mesoproterozoic kerogens via hydropyrolysis. Geochim. Cosmochim. Acta 67(8), 15211530.
  • Brocks J. J., Summons R. E., Buick R., and Logan G. A. (2003d) Origin and significance of aromatic hydrocarbons in giant iron ore deposits of the late Archean Hamersley Basin in Western Australia. Org. Geochem., in press.
  • Buick R. (1992) The antiquity of oxygenic photosynthesis: evidence from stromatolites in sulphate-deficient Archaean lakes. Science 255, 74-77.
  • Buick R., Dunlop J. S. R., and Groves D. I. (1981) Stromatolite recognition in ancient rocks: an appraisal of irregularly laminated structures in an Early Archean chert-barite unit from North Pole, Western Australia. Alcheringa 6, 161-181.
  • Burhan R. Y. P., Trendel J. M., Adam P., Wehrung P., Albrecht P., and Nissenbaum A. (2002) Fossil bacterial ecosystem at methane seeps: origin of organic matter from Be’eri sulfur deposit, Israel. Geochim. Cosmochim. Acta 66, 4085-4101.
  • Burnham A. K., Gregg H. R., Ward R. L., Knauss K. G., Copenhaver S. A., Reynolds J. G., and Sanborn R. (1997) Decomposition kinetics and mechansism of n-hexadecane-1,2-13C2 and dodec-1-ene-1,2-13C2 doped in petroleum and n-hexadecane. Geochim. Cosmochim. Acta 61(17), 3725-3737.
  • Butterfield N. J. (2001) Paleobiology of the late Mesoproterozoic (ca. 1200 Ma) Hunting Formation, Somerset Island, arctic Canada. Precambrian Res. 111, 235-256.
  • Butterfield N. J., Knoll A. H., and Swett K. (1988) Exceptional preservation of fossils in an Upper Proterozoic shale. Nature 334, 424-427.
  • Butterfield N. J., Knoll A. H., and Swett K. (1990) A bangiophyte red alga from the Proterozoic of arctic Canada. Science 250, 104-107.
  • Canfield D. E. (1998) A new model for Proterozoic ocean chemistry. Nature 396, 450-453.
  • Canfield D. E. and Raiswell R. (1999) The evolution of the sulfur cycle. Am. J. Sci. 299(7-9), 697-723.
  • Cardellina II J. H., Hendrickson R. L., Stierle A. A., and Martin G. E. (1991) Kimbasines A and B, novel hexacyclic norsesterterpene alkaloids from the sponge Igernella notabilis. Tetrahedron Lett. 32(21), 2347-2350.
  • Carlson R. M. K., Teerman S. C., Moldowan J. M., Jacobson S. R., Chan E. I., Dorrough K. S., Seetoo W. C., and Mertani B. (1993) High temperature gas chromatography of high-wax oils. Indonesian Petroleum Association, 22nd Annual Convention Proceedings, Jakarta, Indonesia, 483507.
  • Cavalier-Smith T. (2002) The neomuran origin of archaebacteria, the negibacterial root of the universal tree and bacterial megaclassification. Int. J. Syst. Evol. Microbiol. 52, 7-76.
  • Chen J., Fu J., Sheng G., Liu D., and Zhang J. (1996) Diamondoid hydrocarbon ratios: novel maturity indices for highly mature crude oils. Org. Geochem. 25(3/4), 179-190.
  • Chen J. and Summons R. E. (2001) Complex patterns of steroidal biomarkers in Tertiary lacustrine sediments of the Biyang Basin, China. Org. Geochem. 32, 115-126.
  • Chen J., Walter M. R., Logan G. A., Hinman M. C., and Summons R. E. (2003) The Paleoproterozoic McArthur River (HYC) Pb/Zn/Ag deposit of northern Australia: organic geochemistry and ore genesis. Earth. Planet. Sci. Lett., in press.
  • Chen J. H., Philp R. P., Fu F. M., and Sheng G. Y. (1989) The occurrence and identification of C30-C32 lanostanes: a novel series of tetracyclic triterpenoid hydrocarbons. Geochim. Cosmochim. Acta 53, 2775-2779.
  • Cockell C. S. and Knowland J. (1999) Ultraviolet radiation screening compounds. Biol. Rev. 74, 311-345.
  • Cody G., Alexander C. M. O., and Tera F. (2002) Solid-state (1H and 13C) nuclear magnetic resonance spectroscopy of insoluble organic residue in the Murchison meteorite: a self-consistent quantitative analysis. Geochimica Cosmochimica Acta 66, 1851-1865.
  • Collister J. W., Summons R. E., Lichtfouse E., and Hayes J. M. (1992) An isotopic biogeochemical study of the Green River oil shale. Org. Geochem. 19, 265-276.
  • Cox H. C., de Leeuw J. W., Schenk P. A., van Konigsveld H., Jansen J. C., van de Graaf B., van Geerstein V. J., Kanters J. A., Kruk C., and Jans A. W. H. (1986) Bicadinane, a C30 pentacyclic isoprenoid hydrocarbon found in crude oil. Nature 319, 316-318.
  • Crick I. H., Boreham C. J., Cook A. C., and Powell T. G. (1988) Petroleum geology and geochemistry of Middle Proterozoic McArthur Basin, Northern Australia II: assessment of source rock potential. AAPG Bull. 72(12), 1495-1514.
  • Cronin J. R. and Chang S. (1993) Organic matter in meteorites: molecular and isotopic analyses of the Murchison meteorite. In The Chemistry of Life’s Origin (ed. J. M. Greenberg, C. X. Mendoza-Gómez, and V. Pirronello), pp. 209-258. Kluwer Academic Publishers.
  • DSouza S. E., Altekar W., and DSouza S. F. (1997) Adaptive response of Haloferax mediterranei to low concentrations of NaCl (< 20%) in the growth medium. Arch. Microbiol. 168, 6871.
  • Dahl J. E. P., Hallberg R., and Kaplan I. R. (1988) Effects of irradiation from uranium decay on extractable organic matter in the Alum Shales of Sweden. Org. Geochem. 12, 559-571.
  • Dahl J. E. P., Liu S. G., and Carlson R. M. K. (2002) Isolation and structure of higher diamondoids, nanometer-sized diamond molecules. Science 299, 96-99.
  • Dahl J. E. P., Moldowan J. M., McCaffrey A. M., and Lipton P. (1992) A new class of natural products revealed by 3b-alkyl steranes in petroleum. Nature 355, 154-157.
  • Dahl J. E. P., Moldowan J. M., Peters K. E., Claypool G. E., Rooney M. A., Michael G. E., Mello M. R., and Kohnen M. L. (1999) Diamondoid hydrocarbons as indicators of natural oil cracking. Nature 399, 54-57.
  • Dahl J. E. P., Moldowan J. M., Summons R. E., McCaffrey A. M., Lipton P., Watt D. S., and Hope J. M. (1995) Extended 3-alkyl steranes and 3-alkyl triaromatic steroids in crude oils and rock extracts. Geochim. Cosmochim. Acta 59(18), 3717-3729.
  • Dalton R. (2001) Cores set to unearth whole picture of evolution. Nature 414, 476.
  • de Leeuw J. W. and Baas M. (1986) Early-stage diagenesis of steroids. In Biological Markers in the Sedimentary Record, Vol. 24 (ed. R. B. Johns), pp. 101-123. Elsevier.
  • de Leeuw J. W., Frewin N. L., Van Bergen P. F., Sinninghe Damsté J. S., and Collinson M. E. (1995) Organic carbon as a palaeoenvironmental indicator in the marine realm. In Geol. Soc. Special Publ., Vol. 83 (ed. D. W. J. Bosence and P. A. Allison), pp. 43-71.
  • de Leeuw J. W. and Largeau C. (1993) A review of macromolecular organic compounds that comprise living organisms and their role in kerogen, coal and petroleum formation. In Org. Geochem. (ed. M. H. Engel and S. A. Macko), pp. 23-72. Plenum Press.
  • De Rosa M., Gambacorta A., Minale L., and Bu’Lock J. D. (1971) Cyclohexane fatty acids from a thermophilic bacterium. Chem. Commun., 1334.
  • del Rio J. C. and Philp R. P. (1999) Field ionization mass spectrometric study of high molecular weight hydrocarbons in a crude oil and a solid bitumen. Org. Geochem. 30, 279-286.
  • DeLong E. F. (1992) Archaea in coastal marine environments. Proc. Natl. Acad. Sci. USA 89, 5685-5689.
  • DeLong E. F., King L. L., Massana R., Cittone H., Murray A., Schleper C., and Wakeham S. G. (1998) Dibiphytanyl ether lipids in nonthermophilic Crenarchaeotes. Appl. Environ. Microbiol. 64, 1133-1138.
  • Dembitsky V. M., Dor I., Shkrob I., and Aki M. (2001) Branched alkanes and other apolar compounds produced by the cyanobacterium Microcoleus vaginatus from the Negev Desert. Russian Journal of Bioorganic Chemistry 27, 110-119.
  • Derenne S. and Largeau C. (2001) A review of some important families of refractory macromolecules: composition, origin and fate in soils and sediments. Soil Sci. 166, 833-847.
  • Derenne S., Largeau C., Casadevall E., Berkaloff C., and Rousseau B. (1991) Chemical evidence of kerogen formation in source rocks and oil shales via selective preservation of thin resistant outer walls of microalgae: origin of ultralaminae. Geochim. Cosmochim. Acta 55, 1041-1050.
  • Derenne S., Largeau C., Casadevall E., and Sellier N. (1990) Direct relationship between the resistant biopolymer and the tetraterpenic hydrocarbon in the lycopadiene race of Botryococcus braunii. Phytochemistry 28, 2187-2192.
  • Derenne S., Le Berre F., Largeau C., Hatcher P. G., Connan J., and Raynaud J.-F. (1992) Formation of ultralaminae in marine kerogens via selective preservation of thin resistant outer walls of microalgae. Org. Geochem. 19(4-6), 345-350.
  • Des Marais D. J. (2000) When did photosynthesis emerge on Earth? Science 289, 1703-1705.
  • Des Marais D. J., Strauss H., Summons R. E., and Hayes J. M. (1992) Carbon isotope evidence for the stepwise oxidation of the Proterozoic environment. Nature 359, 605-609.
  • Didyk B. M., Simoneit B. R. T., Brassell S. C., and Eglinton G. (1978) Organic geochemical indicators of palaeoenvironmental conditions of sedimentation. Nature 272, 216-222.
  • Dominé F., Bounaceur R., Scacchi G., Marquaire P.-M., Dessort D., Pradier B., and Brevart O. (2002) Up to what temperature is petroleum stable? New insights from a 5200 free radical reaction model. Org. Geochem. 33, 1487-1499.
  • Dominé F., Dessort D., and Brévart O. (1998) Towards a new method of geochemical kinetic modelling: implications for the stability of crude oils. Org. Geochem. 28(9-10), 597-612.
  • Eglinton G. and Calvin M. (1967) Chemical fossils. Scientific American 261, 32-43.
  • Eglinton G., Scott P. M., Belsky T., Burlingame A. L., and Calvin M. (1964) Hydrocarbons of a biological origin from a one-billion-year-old sediment. Science 145, 263-264.
  • Eglinton T. I., Benitez-Nelson B. C., Pearson A., McNichol A. P., Bauer J. E., and Druffel E. R. M. (1997) Variability in radiocarbon ages of individual organic compounds from marine sediments. Science 277, 796-799.
  • Elvert M., Suess E., and Whiticar M. J. (1999) Anaerobic methane oxidation associated with marine gas hydrates: superlight C-isotopes from saturated and unsaturated C20 and C25 irregular isoprenoids. Naturwissenschaften 31, 1175-1187.
  • Engel M. and Macko S. (1997) Isotopic evidence for extraterrestrial non-racemic amino acids in the Murchison meteorite. Nature 389, 265-268.
  • Espitalié J., Laporte J. L., Madec M., Marquis F., Leplat P., Paulet J., and Boutefeu A. (1977) Methode rapide de characterisation des roches meres, de leur potentiel petrolier et de leur degre d’evolution. Revue de l’Institut Français du Pétrole 32(1), 23-42.
  • Fang H., Yongchuan S., Sitian L., and Qiming Z. (1995) Overpressure retardation of organic-matter maturation and petroleum generation: a case study from the Yinggehai and Qiongdongnan Basins, South China Sea. AAPG Bull. 79, 551-562.
  • Farrimond P., Bevan J. C., and Bishop A. N. (1999) Tricyclic terpane maturity parameters: response to heating by an igneous intrusion. Org. Geochem. 30, 1011-1019.
  • Farrimond P., Fox P. A., Innes H. E., Miskin I. P., and Head I. M. (1998) Bacterial sources of hopanoids in Recent sediments: improving our understanding of ancient hopane biomarkers. Ancient Biomolecules 2, 147-166.
  • Farrimond P., Head I. M., and Innes H. E. (2000) Environmental influence on the biohopanoid composition of Recent sediments. Geochim. Cosmochim. Acta 64(17), 2985-2992.
  • Fong N. J. C., Burgess M. L., Barrow K. D., and Glenn D. R. (2001) Carotenoid accumulation in the psychrotrophic bacterium Arthrobacter agilis in response to thermal and salt stress. Appl. Microbiol. Biotechnol. 56, 750-756.
  • Fowler M. G. (1992) The influence of Gloeocapsomorpha prisca on the organic geochemistry of oils and organic-rich rocks of Late Ordovician age from Canada. In Early Organic Evolution: Implications for Mineral and Energy Resources (ed. M. Schidlowski, S. Golubic, M. M. Kimberly, and P. A. Trudinger), pp. 336-356. Springer.
  • Fowler M. G., Abolins P., and Douglas A. G. (1986) Monocyclic alkanes in Ordovician organic matter. Org. Geochem. 10, 815-823.
  • Fowler M. G. and Douglas A. G. (1987) Saturated hydrocarbon biomarkers in oils of late Precambrian age from eastern Siberia. Org. Geochem. 11(3), 201-213.
  • Frank H. A., Young A. J., Britton G., and Cogdell R. J. (1999) The Photochemistry of Carotenoids. In Advances in Photosynthesis, Vol. 8, pp. 420 pp. Kluwer Academic Publishers.
  • Freeman K. H., Hayes J. M., Trendel J.-M., and Albrecht P. (1990) Evidence from carbon isotope measurements for diverse origins of sedimentary hydrocarbons. Nature 343, 254-256.
  • Freeman K. H., Wakeham S. G., and Hayes J. M. (1994) Predictive isotopic biogeochemistry: hydrocarbons from anoxic marine basins. Org. Geochem. 21, 629-644.
  • Ganz H. and Kalkreuth W. (1987) Application of infrared spectroscopy to the classification of kerogen-types and the evaluation of source rock and oil shale potentials. Fuel 66, 708711.
  • Gelin F., Boogers I., Noordeloos A. A. M., Sinninghe Damsté J. S., Hatcher P. G., and de Leeuw J. W. (1996) Novel, resistant microalgal polyethers: an important sink of organic carbon in the marine environment? Geochim. Cosmochim. Acta 60(7), 1275-1280.
  • Gelin F., Boogers I., Noordeloos A. A. M., Sinninghe Damsté J. S., Riegman R., and de Leeuw J. W. (1997) Resistant biomacromolecules in marine microalgae of the classes Eustigmatophyceae and Chlorophyceae: geochemical implications. Org. Geochem. 26(11-12), 659-675.
  • Gelin F., De Leeuw J. W., Sinninghe Damsté J. S., Derenne S., and Metzger P. (1994) The similarity of chemical structures of soluble aliphatic polyaldehyde and insoluble algaenan in the green microalga Botryococcus braunii race A as revealed by analytical pyrolysis. Org. Geochem. 21, 423-435.
  • Gelin F., Volkman J. K., Largeau C., Derenne S., Sinninghe Damsté J. S., and de Leeuw J. W. (1999) Distribution of aliphatic, nonhydrolyzable biopolymers in marine microalgae. Org. Geochem. 30, 147-159.
  • George S. C. (1992) Effect of igneous intrusion on the organic geochemistry of a siltstone and an oil shale horizon in the Midland Valley of Scotland. Org. Geochem. 18(5), 705-723.
  • George S. C. and Ahmed M. (2003) Use of aromatic compound distributions to evaluate organic maturity of the Proterozoic middle Velkerri formation, McArthur Basin, Australia. In The sedimentary basins of Western Australia 3 (ed. M. Keep and S. Moss), pp. 253-270. PESA.
  • George S. C. and Jardine D. R. (1994) Ketones in a Proterozoic dolerite Sill. Org. Geochem. 21(8/9), 829-839.
  • Giner J.-L. and Boyer G. L. (1998) Sterols of the brown tide alga Aureococcus anophagefferens. Phytochemistry 48, 475477.
  • Giner J.-L. and Li X. (2000) Stereospecific synthesis of 24-propylcholesterol isolated from the Texas brown tide. Tetrahedron 56, 9575-9580.
  • Giner J.-L., Li X., and Boyer G. L. (2001) Sterol composition of Aureoumbra lagunensis, the Texas brown tide alga. Phytochemistry 57(5), 787-789.
  • Gize A. P. (1999) Organic alteration in hydrothermal sulfide ore deposits. Econ. Geol. 94(7), 967-980.
  • Gold T. (2001) The Deep Hot Biosphere : The Myth of Fossil Fuels. Freeman Dyson.
  • Gomez Paloma L., Randazzo A., Minale L., Debitus C., and Roussakis C. (1997) New cytotoxic sesterterpenes from the New Caledonian marine sponge Petrosaspongia nigra (Bergquist). Tetrahedron 53,(30), 10451-10458.
  • Goosens H., de Leeuw J. W., Schenck P. A., and Brassell S. C. (1984) Tocopherols as likely precursors of pristane in ancient sediments and crude oils. Nature 312, 440-442.
  • Grantham P. J. (1986) The occurrence of unusual C27 and C29 sterane predominances in two types of Oman crude oil. Org. Geochem. 9(1), 1-10.
  • Grantham P. J. and Douglas A. G. (1980) The nature and origin of sesquiterpenoids in some Tertiary fossil resins. Geochim. Cosmochim. Acta 44, 1801-1810.
  • Grantham P. J., Lijmbach G. W. M., Postuma J., Hughes-Clark M. W., and Willink R. J. (1988) Origin of crude oils in Oman. Journal of Petroleum Geology 11, 61-80.
  • Grantham P. J., Posthuma J., and DeGroot K. (1980) Variation and significance of the C27 and C28 triterpane content of a North Sea core and various North Sea crude oils. In Advances in Organic Geochemistry 1979 (ed. A. G. Douglas and J. R. Maxwell), pp. 29-38. Pergamon Press.
  • Greenwood P. F., Arouri K. R., and George S. C. (2000) Tricyclic terpenoid composition of Tasmanites kerogen as determined by pyrolysis GC-MS. Geochim. Cosmochim. Acta 64(7), 1249-1263.
  • Greenwood P. F. and Summons R. E. (2003) GC-MS detection and significance of crocetane and pentamethylicosane in sediments and crude oils. Org. Geochem. 34, in press.
  • Grice K., Gibbison R., Atkinson J. E., Schwark L., Eckardt C. B., and Maxwell J. R. (1996a) Maleimides (1H-pyrrole-2,5-diones) as molecular indicators of anoxygenic photosynthesis in ancient water columns. Geochim. Cosmochim. Acta 60(20), 3913-3924.
  • Grice K., Klein Breteler W. C. M., Schouten S., Grossi V., de Leeuw J. W., and Sinninghe Damsté J. S. (1998a) The effects of zooplankton herbivory on biomarker proxy records. Paleoceanography 13, 686-693.
  • Grice K., Schaeffer P., Schwark L., and Maxwell J. R. (1996b) Molecular indicators of palaeoenvironmental conditions in an immature Permian shale (Kuperschiefer, Lower Rhine Basin, north-west Germany) from free and S-bound lipids. Org. Geochem. 25(3/4), 131-147.
  • Grice K., Schaeffer P., Schwark L., and Maxwell J. R. (1997) Changes in palaeoenvironmental conditions during deposition of the Permian Kupferschiefer (Lower Rhine Basin, northwest Germany) inferred from molecular and isotopic compositions of biomarker components. Org. Geochem. 26(11-12), 677-690.
  • Grice K., Schouten S., Nissenbaum A., Charrach J., and Sinninghe Damsté J. S. (1998b) Isotopically heavy carbon in the C21 to C25 regular isoprenoids in halite-rich deposits from the Sdom Formation, Dead Sea Basin, Israel. Org. Geochem. 28(6), 349-359.
  • Grice K., Schouten S., Peters K. E., and Sinninghe Damsté J. S. (1998c) Molecular isotopic characterisation of hydrocarbon biomarkers in Palaeocene-Eocene evaporitic, lacustrine source rocks from the Jianghan Basin, China. Org. Geochem. 29(5-7), 1745-1764.
  • Grosjean E., Poinsot J., Charrié-Duhaut A., Tabuteau S., Adam P., Trendel J., Schaeffer P., Connan J., Dessort D., and Albrecht P. (2001) Synthesis and NMR characterization of novel highly cyclised polyprenoid hydrocarbons from sediments. J. Chem. Soc. Perkin Trans. 1, 711-719.
  • Häberli A., Bircher C., and Pfander H. (2000) Isolation of a new carotenoid and two new carotenoid glycosides from Curtobacterium flaccumfaciens pvar poinsettiae. Helvetica Chimica Acta 83, 328-335.
  • Han T.-M. and Runnegar B. (1992) Megascopic eukaryotic algae from the 2.1-billion-year-old Negaunee Iron-Formation, Michigan. Science 257, 232-235.
  • Hartgers W. A., Sinninghe Damsté J. S., Requejo A. G., Allan J., Hayes J. M., Ling Y., Tiang-Min X., Primack J., and de Leeuw J. W. (1993) A molecular and carbon isotopic study towards the origin and diagenetic fate of diaromatic carotenoids. Org. Geochem. 22(3-5), 703-725.
  • Harvey H. R. and McManus G. B. (1991) Marine ciliates as a widespread source of tetrahymanol and hopan-3b-ol in sediments. Geochim. Cosmochim. Acta 55, 3387 3390.
  • Hayes J. M. (1983) Geochemical evidence bearing on the origin of aerobiosis, a speculative hypothesis. In Earth’s Earliest Biosphere, its Origin and Evolution (ed. J. W. Schopf), pp. 291-301. Princeton University Press.
  • Hayes J. M. (1993) Factors controlling 13C contents of sedimentary organic compounds: principles and evidence. Marine Geol. 113, 111-125.
  • Hayes J. M. (1994) Global methanotrophy at the Archean-Proterozoic transition. In Early life on Earth, Vol. 84 (ed. S. Bengtson), pp. 220-236. Columbia U. P.
  • Hayes J. M. (2001) Fractionation of the isotopes of carbon and hydrogen in biosynthetic processes. In Stable Isotopic Geochemistry (ed. J. W. Valley and D. R. Cole), Reviews in Mineralogy and Geochemistry 43, 225-275.
  • Hayes J. M., Freeman K. H., Popp B. N., and Hoham C. H. (1990) Compound-specific isotope analysis: a novel tool for reconstruction of ancient biogeochemical processes. In Advances in Organic Geochemistry 1989 (ed. B. Durand and F. Behar), pp. 1115-1128. Pergamon Press.
  • Hayes J. M., Kaplan I. R., and Wedeking K. W. (1983) Precambrian organic geochemistry, preservation of the record. In Earth’s Earliest Biosphere, its Origin and Evolution (ed. J. W. Schopf), pp. 93-134. Princeton University Press.
  • Hayes J. M., Strauss H., and Kaufman A. J. (1999) The abundance of 13C in marine organic matter and isotopic fractionation in the global biogeochemical cycle of carbon during the past 800 Ma. Chem. Geol. 16, 103-125.
  • Hayes J. M., Summons R. E., Strauss H., Des Marais D. J., and Lambert I. B. (1992) Proterozoic biogeochemistry. In The Proterozoic Biosphere: A Multidisciplinary Study (ed. J. W. Schopf and C. Klein), pp. 81-133. Cambridge University Press.
  • Hedberg H. D. (1968) Significance of high-wax oils with respect to genesis of petroleum. Am. Assoc. Petrol. Geol. Bull. 52(5), 736-750.
  • Hedges J. I. and Keil R. G. (1995) Sedimentary organic matter preservation: an assessment and speculative synthesis. Mar. Chem. 49, 81-115.
  • Hedges J. I., Keil R. G., and Benner R. (1997) What happens to terrestrial organic matter in the ocean? Org. Geochem. 27, 195-212.
  • Hinrichs K.-U., Eglinton G., Engel M. H., and Summons R. E. (2001) Exploiting the multivariate isotopic nature of organic compounds. Geochem. Geophys. Geosyst. 1, Paper number 2001GC000142.
  • Hinrichs K.-U., Hayes J. M., Sylva S. P., Brewer P. G., and DeLong E. F. (1999) Methane-consuming archaebacteria in marine sediments. Nature 398, 802-805.
  • Hinrichs K. U., Hmelo L. R., and Sylva S. P. (2003) Molecular fossil record of elevated methane levels in Late Pleistocene coastal waters. Science 299, 1214-1217.
  • Hinrichs K.-U., Summons R. E., Orphan V., Sylva S. P., and Hayes J. M. (2000) Molecular and isotopic analysis of anaerobic methane-oxidising communities in marine sediments. Org. Geochem. 31, 1685-1701.
  • Ho E. S., Meyers P. A., and Mauk J. L. (1990) Organic geochemical study of mineralization in the Keweenawan Nonesuch Formation at White Pine, Michigan. Org. Geochem. 16(1-3), 229-234.
  • Hoefs M. J. L., Schouten S., King L., Wakeham S. G., de Leeuw J. W., and Sinninghe Damsté J. S. (1997) Ether lipids of planktonic archaea in the marine water column. Appl. Environ. Microbiol. 63, 3090-3095.
  • Hoehler T. M., Alperin M. J., Albert D. B., and Martens C. S. (1994) Field and laboratory studies of methane oxidation in an anoxic marine sediment: evidence for a methanogen-sulfate reducer consortium. Global Biogeochem. Cycles 8, 451-463.
  • Hoering T. C. (1976) Molecular fossils from the Precambrian Nonesuch Shale. Carnegie Inst. Wash. Yearbook 75, 806-813.
  • Hoering T. C. (1981) Monomethyl acyclic hydrocarbons in petroleum and rock extracts. Carnegie Inst. Wash. Yearbook 80, 389-393.
  • Hoffmann C. F., Foster C. B., Powell T. G., and Summons R. E. (1987) Hydrocarbon biomarkers from Ordovician sediments and the fossil alga Gloeocapsomorpha prisca Zalessky 1917. Geochim. Cosmochim. Acta 51, 2681-2697.
  • Hofmann H. J. (1976) Precambrian microflora, Belcher Islands, Canada: significance and systematics. J. Paleontol. 50, 1040-1073.
  • Hofmann H. J. and Chen J. (1981) Carbonaceous megafossils from the Precambrian (1800 Ma) near Jixian, northern China. Can. J. Earth Sci. 18, 443-447.
  • Holba A. G., Dzou L. I. P., Masterson W. D., Hughes W. B., Huizinga B. J., Singletary M. S., Moldowan J. M., Mello M. R., and Tegelaar E. (1998a) Application of 24-norcholestanes for constraining source age of petroleum. Org. Geochem. 29(5-7), 1269-1283.
  • Holba A. G., Dzou L. I. P., Wood G. D., Ellis L., Adam P., Schaeffer P., Albrecht P., Green T., and Hughes W. B. (2003) Application of tetracyclic polyprenoids as indicators of input from fresh-brackish water environments. Org. Geochem. 34(3), 441-469.
  • Holba A. G., Tegelaar E. W., Huizinga B. J., Moldowan J. M., Singletary M. S., McCaffrey M. A., and Dzou L. I. P. (1998b) 24-norcholestanes as age-sensitive molecular fossils. Geology 26(9), 783-786.
  • Höld I. M., Brussee N. J., Schouten S., and Sinninghe Damsté J. S. (1997) Occurrence of bound monoterpenoids in Palaeozoic and Proterozoic marine kerogens. 18th Int. Meeting on Organic Geochemistry, 493-494.
  • Höld I. M., Schouten S., Jellema J., and Sinninghe Damsté J. S. (1999) Origin of free and bound mid-chain methyl alkanes in oil, bitumens and kerogens of the marine, Infracambrian Huqf Formation (Oman). Org. Geochem. 30, 1411-1428.
  • Holser W. T., Schidlowski M., Mackenzie F. T., and Maynard J. B. (1988) Biogeochemical cycles of carbon and sulfur in. In Chemical Cycles in the Evolution of the Earth (ed. C. B. Gregor, R. M. Garrels, F. T. Mackenzie, and J. B. Maynard), pp. 105-173. John Wiley & Sons.
  • Hopmans E. C., Schouten S., Pancost R. D., van der Meer M. J. T., and Sinninghe Damsté J. S. (2000) Analysis of intact tetraether lipids in archaeal cell material and sediments using high performance liquid chromatography/atmospheric pressure ionization mass spectrometry. Rap. Comm. Mass. Spectrom. 14, 585-589.
  • Hsieh M. and Philp R. P. (2001) Ubiquitous occurrence of high molecular weight hydrocarbons in crude oils. Org. Geochem. 32, 955-966.
  • Hsieh M., Philp R. P., and del Rio J. C. (2000) Characterization of high molecular weight biomarkers in crude oils. Org. Geochem. 31, 1581-1588.
  • Huang Z., Poulter C. D., Wolf F. R., Somers T. C., and White J. D. (1988) Braunicene, a novel cyclic C32 isoprenoid from Botryococcus braunii. J. Am. Chem. Soc. 110, 2959-3964.
  • Hunt J. M. (1996) Petroleum geochemistry and geology. W.H. Freeman and Co.
  • Imhoff J. F. (1995) Taxonomy and physiology of phototrophic purple bacteria and green sulfur bacteria. In Anoxygenic Photosynthetic Bacteria (ed. R. E. Blankenship, M. T. Madigan, and C. E. Bauer), pp. 1-15. Kluwer Academic Publishers.
  • Jackson M. J., Powell T. G., Summons R. E., and Sweet I. P. (1986) Hydrocarbon shows and petroleum source rocks in sediments as old as 1.7 billion years. Nature 322, 727-729.
  • Jahnke L. L. and Klein H. P. (1979) Oxygen as a factor in eukaryote evolution: some effects of low levels on Saccharomyces cerevisiae. Origins Life Evol. Biosphere 9, 329-334.
  • Jahnke L. L. and Klein H. P. (1983) Oxygen requirements for formation and activity of the squalene epoxidase in Saccharomyces cerevisiae. J. Bacteriol. 155(2), 488-492.
  • Jahnke L. L., Summons R. E., Hope J. M., and Des Marais D. J. (1999) Carbon isotopic fractionation in lipids from methanotrophic bacteria II: the effects of physiology and environmental parameters on the biosynthesis and isotopic signatures of biomarkers. Geochim. Cosmochim. Acta 63(1), 79-93.
  • Javaux E., Knoll A. H., and Walter M. R. (2001) Morphological and ecological complexity in early eukaryotic ecosystems. Nature 412, 66-69.
  • Jiang N., Tong Z., Ren D., Song F., Yang D., Zhu C., and Yijun G. (1995) The discovery of retene in Precambrian and lower Paleozoic marine formations. Chin. J. Geochem. 14(1), 41-51.
  • Kates M. (1993) Membrane lipids of Archaea. In The Biochemistry of Archaea (Archaebacteria) (ed. M. Kates, D. J. Kushner, and A. T. Matheson), pp. 261-295. Elsevier Science.
  • Kemp P., Lander D. J., and Orpin C. G. (1984) The lipids of the rumen fungus Piromonas communis. J. Gen. Microbiol. 130, 2737.
  • Kenig F. (2000) C16-C29 homologous series of monomethylalkanes in the pyrolysis products of a Holocene microbial mat. Org. Geochem. 31, 237-241.
  • Kenig F., Simons D.-J. H., and Anderson K. B. (2001) Distribution and origin of ethyl-branched alkanes in a Cenomanian transgressive shale of the Western Interior Seaway. Org. Geochem. 32(7), 949-954.
  • Kenig F., Simons D.-J. H., Critch D., Cowen J. P., Ventura G. T., Brown T. C., and Rehbein T. (2002) Alkanes with a quaternary carbon centre: a 2,200 Myr record of sulfide oxidizing bacteria. Geochim. Cosmochim. Acta 66, A393 (abstr.).
  • Kenig F., Sinninghe Damsté J. S., Frewin N. L., Hayes J. M., and de Leeuw J. W. (1995a) Molecular indicators for palaeoenvironmental change in a Messinian evaporitic sequence (Vena del Gesso, Italy). II: High-resolution variations in abundances and 13C contents of free and sulphur-bound carbon skeletons in a single marl bed. Org. Geochem. 23, 485-526.
  • Kenig F., Sinninghe Damsté J. S., Kock-van Dalen A. C., Rijpstra W. I. C., Huc A. Y., and de Leeuw J. W. (1995b) Occurrence and origin of mono-, di-, and trimethylalkanes in modern and Holocene cyanobacterial mats from Abu Dhabi, United Arab Emirates. Geochim. Cosmochim. Acta 59(14), 2999-3015.
  • Khan H., Zaman A., Chetty G. L., Gupta A. S., and Dev S. (1971) Cheilanthatriol – a new fundamental type in sesterterpenes. Tetrahedron Lett. 12(46), 4443-4446.
  • Killops S. D., Carlson R. M. K., and Peters K. E. (2000) High-temperature GC evidence for the early formation of C40+ n-alkanes in coals. Org. Geochem. 31, 589-597.
  • Kleemann G., Poralla K., Englert G., Kjøsen H., Liaaen-Jensen S., Neunlist S., and Rohmer M. (1990) Tetrahymanol from the phototrophic bacterium Rhodopseudomonas palustris: first report of a gammacerane triterpene from a prokaryote. J. Gen. Microbiol. 136, 25512553.
  • Klomp U. C. (1986) The chemical structure of a pronounced series of iso-alkanes in South Oman crudes. Org. Geochem. 10, 807-814.
  • Knoll A. H. (1992) The early evolution of eukaryotes: a geological perspective. Science 256, 622-627.
  • Knott D. (1999) Elf U.K. expands HP-HT expertise with Elgin-Franklin development. Oil Gas J. June 21, 18-22.
  • Koga Y., Nishihara M., Morii H., and Akagawa-Matsushita M. (1993) Ether polar lipids of methanogenic bacteria: structures, comparative aspects, and biosynthesis. Microbiol. Rev. 57, 164-182.
  • Kohl W., Gloe A., and Reichenbach H. (1983) Steroids from the myxobacterium Nannocystis exedens. J. Gen. Microbiol. 129, 1629-1635.
  • Kohnen M. E. L., Schouten S., Sinninghe Damsté J. S., de Leeuw J. W., Merrit D. A., and Hayes J. M. (1992) Recognition of paleobiochemicals by a combined molecular sulphur and isotope geochemical approach. Science 256, 358-362.
  • Kohnen M. E. L., Sinninghe Damsté J. S., Baas M., Kock-van Dalen A. C., and de Leeuw J. W. (1993) Sulphur-bound steroid and phytane carbon skeletons in geomacromolecules: implications for the mechanism of incorporation of sulphur into organic matter. Geochim. Cosmochim. Acta 57, 2515-2528.
  • Kohnen M. E. L., Sinninghe Damsté J. S., and de Leeuw J. W. (1991a) Biases from natural sulphurization in palaeoenvironmental reconstruction based on hydrocarbon biomarker distributions. Nature 349, 775-778.
  • Kohnen M. E. L., Sinninghe Damsté J. S., Kock-van Dalen A. C., and de Leeuw J. W. (1991b) Di- or polysulfide-bound biomarkers in sulfur-rich geomacromolecules as revealed by selective chemolysis. Geochim. Cosmochim. Acta 55, 1375-1394.
  • Koopmans M. P., de Leeuw J. W., Lewan M. D., and Sinninghe Damsté J. S. (1997) Impact of dia- and catagenesis on sulphur and oxygen sequestration of biomarkers as revealed by artificial maturation of an immature sedimentary rock. Org. Geochem. 25(5-7), 391-426.
  • Koopmans M. P., Köster J., van Kaam-Peters H. M. E., Kenig F., Schouten S., Hartgers W. A., de Leeuw J. W., and Sinninghe Damsté J. S. (1996a) Diagenetic and catagenetic products of isorenieratene: molecular indicators for photic zone anoxia. Geochim. Cosmochim. Acta 60(22), 4467-4496.
  • Koopmans M. P., Schouten S., Kohnen M. E. L., and Sinninghe Damsté J. S. (1996b) Restricted utility of aryl isoprenoids for photic zone anoxia. Geochim. Cosmochim. Acta 60(23), 4873-4876.
  • Köster J., Volkman J. K., Rullkötter J., Scholz-Böttcher B. M., Rethmeier J., and Fischer U. (1999) Mono-, di- and trimethyl-branched alkanes in cultures of the filamentous cyanobacterium Calothrix scopulorum. Org. Geochem. 30, 1367-1379.
  • Krügel H., Krubasik P., Weber K., Saluz H. P., and Sandmann G. (1999) Functional analysis of genes from Streptomyces griseus involved in the synthesis of isorenieratene, a carotenoid with aromatic end groups, revealed a novel type of carotenoid desaturase. Biochim. Biophys. Acta 1439, 57-64.
  • Kushwaha S. C. and Kates M. (1979) Studies of the biosynthesis of C50 carotenoids in Halobacterium cutirubrum. Can. J. Microbiol. 25(11), 1292-1297.
  • Kushwaha S. C., Kates M., and Porter J. W. (1976) Enzymatic synthesis of C40 carotenes by cell-free preparation from Halobacterium cutirubrum. Can. J. Biochem. 54(9), 816-823.
  • Kuypers M. M. M., Blokker P., Erbacher J., Kinkel H., Pancost R. D., Schouten S., and Sinninghe Damsté J. S. (2001) Massive expansion of marine Archaea during a Mid-Cretaceous Oceanic Anoxic Event. Science 293, 92-94.
  • Kuypers M. M. M., Sliekers O. A., Lavik G., Schmid M., Jørgensen B. B., Kuenen J. G., Sinninghe Damsté J. S., Strous M., and Jetten M. S. M. (2003) Anaerobic ammonium oxidation by anammox bacteria in the Black Sea. Nature 422, 608-611.
  • Landais P. and Gize A. P. (1997) Organic matter in hydrothermal ore deposits. In Geochemistry of hydrothermal ore deposits (ed. H. L. Barnes), pp. 613-655. John Wiley & Sons.
  • Langworthy T. A., Tornabene T. G., and Holzer G. (1982) Lipids of Archaebacteria. Zbl. Bakt. Hyg. I. Abt. Orig. C3, 228-244.
  • Larter S. R. and Horsfield B. (1993) Determination of structural components of kerogens by the use of analytical pyrolysis methods. In Org. Geochem. (ed. M. H. Engel and S. A. Macko), pp. 271-288. Plenum Press.
  • Lewan M. D. (1985) Evaluation of petroleum generation by hydrous pyrolysis experimentation. Philos. Trans. R. Soc. London, Ser. A 315, 123-134.
  • Lewan M. D. (1997) Experiments on the role of water in petroleum formation. Geochim. Cosmochim. Acta 61(17), 3691-3723.
  • Lewan M. D. (1998) Sulphur-radical control on petroleum formation rates. Nature 391, 164-166.
  • Li S., Pang X., Li M., and Jin Z. (2003) Geochemistry of petroleum systems in the Niuzhuang South Slope of Bohai Bay Basin-part 1: source rock characterization. Org. Geochem. 34, 389-412.
  • Liaaen-Jensen S. (1965) Bacterial carotenoids XVIII. Aryl-carotenes from Phaeobium. Acta Chem. Scand. 19, 1025-1030.
  • Liaaen-Jensen S. (1979) Marine carotenoids. In Marine Natural Products, Chemical and Biological Perspectives, Vol. 2 (ed. P. Scheuer), pp. 1-73. Academic Press.
  • Liaaen-Jensen S., Renstrøm B., Ramdahl T., Hallenstvet M., and Bergquist P. (1982) Carotenoids of marine sponges. Biochem. Syst. Ecol. 10(2), 167-174.
  • Logan G. A., Calver C. R., Gorjan P., Summons R. E., Hayes J. M., and Walter M. R. (1999) Terminal Proterozoic mid-shelf benthic microbial mats in the Centralian Superbasin and their environmental significance. Geochim. Cosmochim. Acta 63(9), 1345-1358.
  • Logan G. A., Hayes J. M., Hieshima G. B., and Summons R. E. (1995) Terminal Proterozoic reorganisation of biogeochemical cycles. Nature 376, 53-56.
  • Logan G. A., Hinman M. C., Walter M. R., and Summons R. E. (2001) Biogeochemistry of the 1640 Ma McArthur River (HYC) lead-zinc ore and host sediments, Northern Territory, Australia. Geochim. Cosmochim. Acta 65(14), 2317-2336.
  • Logan G. A., Summons R. E., and Hayes J. M. (1997) An isotopic biogeochemical study of Neoproterozoic and Early Cambrian sediments from the Centralian Superbasin, Australia. Geochim. Cosmochim. Acta 61(24), 5391-5409.
  • Love G. D., Snape C. E., Carr A. D., and Houghton R. C. (1995) Release of covalently-bound alkane biomarkers in high yields from kerogen via catalytic hydropyrolysis. Org. Geochem. 23(10), 981-986.
  • Mackenzie A. S. (1984) Application of biological markers in petroleum geochemistry. In Advanced in Petroleum Geochemistry, Vol. 1 (ed. J. Brooks and D. H. Welte), pp. 115-214. Academic Press.
  • Mackenzie A. S., Hoffmann C. F., and Maxwell J. R. (1981) Molecular parameters of maturation in the Toarcian shales, Paris Basin, France – III. Changes in aromatic steroid hydrocarbons. Geochim. Cosmochim. Acta 45(8), 1345-1355.
  • Manes L. V., Crews P., Kernan M. R., Faulkner D. J., Fronczek F. R., and Gandour R. D. (1988) Chemistry and revised structure of suvanine. J. Org. Chem. 53, 570-575.
  • Mango F. D. (1987) An invariance in the isoheptanes of petroleum. Science 237, 514-517.
  • Mango F. D. (1990) The origin of light hydrocarbons in petroleum: a kinetic test of the steady-state catalytic hypothesis. Geochim. Cosmochim. Acta 54, 1315-1323.
  • Mango F. D. (1991) The stability of hydrocarbons under the time-temperature condition of petroleum genesis. Nature 352, 146-148.
  • Mango F. D. and Elrod L. W. (1999) The carbon isotopic composition of catalytic gas: a comparative analysis with natural gas. Geochim. Cosmochim. Acta 63(7/8), 1097-1106.
  • Mango F. D. and Hightower J. (1997) The catalytic decomposition of petroleum into natural gas. Geochim. Cosmochim. Acta 61(24), 5347-5350.
  • Mango F. D., Hightower J. W., and James A. T. (1994) Role of transition-metal catalysis in the formation of natural gas. Nature 268, 536-538.
  • Marshall C. P., Wilson M. A., Hartung-Kagi B., and Hart G. (2001) Potential of emission Fourier transform infrared spectroscopy for in situ evaluation of kerogen in source rocks during pyrolysis. Chem. Geol. 175, 623-633.
  • Matthews D. E. and Hayes J. M. (1978) Isotope-ratio-monitoring gas chromatography mass spectrometry. Anal. Chem. 50, 1465-1473.
  • McCaffrey A. M., Dahl J. E. P., Sundararaman P., Moldowan J. M., and Schoell M. (1994a) Source rock quality determination from oil biomarkers II: a case study using Tertiary-reservoired Beauford Sea oils. AAPG Bull. 78(10), 1527-1540.
  • McCaffrey M. A., Moldowan J. M., Lipton P. A., Summons R. E., Peters K. E., Jeganathan A., and Watt D. S. (1994b) Paleoenvironmental implications of novel C30 steranes in Precambrian to Cenozoic age petroleum and bitumen. Geochim. Cosmochim. Acta 58, 529-532.
  • McKinney D. E., Bortiatynski J. M., Carson D. M., Clifford D. J., de Leeuw J. W., and Hatcher P. G. (1996) Tetramethylammonium hydroxide (TMAH) thermochemolysis of the aliphatic biopolymer cutan: insights into the chemical structure. Org. Geochem. 24(6/7), 641-650.
  • McKirdy D. M., Aldridge A. K., and Ypma P. J. M. (1982) A geochemical comparison of some crude oils from Pre-Ordovician carbonate rocks. Org. Geochem., 99-107.
  • McKirdy D. M., Cox R. E., Volkman J. K., and Howell V. J. (1986) Botryococcane in a new class of Australian non-marine crude oils. Nature 320, 5759.
  • McNeil R. I. and BeMent W. O. (1996) Thermal stability of hydrocarbons: laboratory criteria and field examples. Energy Fuels 10, 60-67.
  • Méjanelle L., Lòpez J. F., Gunde-Cimerman N., and Grimalt J. O. (2000) Sterols of melanized fungi from hypersaline environments. Org. Geochem. 31(10), 1031-1040.
  • Méjanelle L., Sanchez-Gargallo A., Bentaleb I., and Grimalt J. O. (2003) Long chain n-alkyl diols, hydroxy ketones and sterols in a marine eustigmatophyte, Nannochloropsis gaditana, and in Brachionus plicatilis feeding on the algae. Org. Geochem. 34, 527-538.
  • Mendelson C. V. (1993) Acritarchs and prasinophytes. In Fossil Prokaryotes and protests (ed. J. H. Lipps), pp. 77-104. Blackwell Scientific Publications.
  • Menounos P., Staphylakis K., and Gegiou D. (1986) The sterols of Nigella sativa seed oil. Phytochemistry 25(3), 761-763.
  • Metzger P., Casadevall E., Pouet M. J., and Pouet Y. (1985) Structures of some botryococcenes: branched hydrocarbons from the B-race of the green alga Botryococcus braunii. Phytochemistry 24, 2995-3002.
  • Metzger P. and Largeau C. (1999) Chemicals of Botryococcus braunii. In Chemicals from Microalgae (ed. Z. Cohen), pp. 205-260. Taylor & Francis.
  • Metzger P., Pouet Y., Bischoff R., and Casadevall E. (1993) An aliphatic polyaldehyde from Botryococcus braunii (A race). Phytochemistry 32(4), 875-883.
  • Michaelis W., Seifert R., Nauhaus K., Treude T., Thiel V., Blumenberg M., Knittel K., Gieseke A., Peterknecht K., Pape T., Boetius A., Amann R., Jørgensen B. B., Widdel F., Peckmann J., Pimenov N. V., and Gulin M. B. (2002) Microbial reefs in the Black Sea fueled by anaerobic oxidation of methane. Science 297, 1013-1015.
  • Miyamoto T., Sakamoto K., Amano H., Higuchi R., Komori T., and Sasaki T. (1992) Three new cytotoxic sesterterpenoids, inorolide A, B, and C from the nudibranch Chromodoris inomata. Tetrahedron Lett. 33(39), 5811-5814.
  • Moldowan J. M., Dahl J. E. P., Huizinga B. J., Fago F. J., Hickey L. J., Peakman T. M., and Taylor D. W. (1994) The molecular fossil record of oleanane and its relation to angiosperms. Science 265, 768-771.
  • Moldowan J. M., Dahl J. E. P., Jacobson S. R., Huizinga B. J., Fago F. J., Shetty R., Watt D. S., and Peters K. E. (1996) Chemostratigraphic reconstruction of biofacies: molecular evidence linking cyst-forming dinoflagellates with pre-Triassic ancestors. Geology 24(2), 159-162.
  • Moldowan J. M. and Fago F. J. (1986) Structure and significance of a novel rearranged monoaromatic steroid hydrocarbon in petroleum. Geochim. Cosmochim. Acta 50, 343-351.
  • Moldowan J. M., Fago F. J., Carlson R. M. K., Young D. C., Van Duyne G., Clardy J., Schoell M., Pillinger C. T., and Watt D. S. (1991a) Rearranged hopanes in sediments and petroleum. Geochim. Cosmochim. Acta 55, 3333-3353.
  • Moldowan J. M., Fago F. J., Lee C. Y., Jacobson S. R., Watt D. S., Slougui N.-E., Jeganathan A., and Young D. C. (1990) Sedimentary 24-n-propylcholestanes, molecular fossils diagnostic of marine algae. Science 247, 309-312.
  • Moldowan J. M., Lee C. Y., Watt D. S., Jeganathan A., Slougui N. E., and Gallegos E. J. (1991b) Analysis and occurrence of C26-steranes in petroleum and source rocks. Geochim. Cosmochim. Acta 55, 1065-1081.
  • Moldowan J. M. and Seifert W. K. (1979) Head-to-head linked isoprenoid hydrocarbons in petroleum. Science 204, 169-171.
  • Moldowan J. M. and Seifert W. K. (1983) Identification of an extended series of tricyclic terpanes in petroleum. Geochim. Cosmochim. Acta 47, 1531-1534.
  • Moldowan J. M., Seifert W. K., and Gallegos E. J. (1985) Relationship between petroleum composition and depositional environment of petroleum source pocks. AAPG Bull. 69(8), 1255-1268.
  • Moldowan J. M. and Talyzina N. M. (1998) Biogeochemical evidence for dinoflagellate ancestors in the early Cambrian. Science 281, 1168-1170.
  • Mueller E. and Philp R. P. (1998) Extraction of high molecular weight hydrocarbons from source rocks: an example from the Green River Formation, Uinta Basin, Utah. Org. Geochem. 28(9/10), 625-632.
  • Murray A. P., Edwards D., Hope J. M., Boreham C. J., Booth W. E., Alexander R. A., and Summons R. E. (1998) Carbon isotope biogeochemistry of plant resins and derived hydrocarbons. Org. Geochem. 29(5-7), 1199-1214.
  • Murray A. P., Sosrowidjojo I. B., Alexander R., Kagi R. I., Norgate C. M., and Summons R. E. (1997) Oleananes in oils and sediments: evidence of marine influence during early diagenesis? Geochim. Cosmochim. Acta 61, 1261-1276.
  • Mycke B., michaelis W., and Degens E. T. (1988) Biomarkers in sedimentary sulfides of Precambrian age. Org. Geochem. 13(4-6), 619-625.
  • Nes W. D., Norton R. A., Crumley F. G., Madigan S. J., and Katz E. R. (1990) Sterol Phylogenesis and Algal Evolution. Proc. Natl. Acad. Sci. 87, 7565-7569.
  • Neunlist S. and Rohmer M. (1985) Novel hopanoids from the methylotrophic bacteria Methylococcus capsulatus and Methylomonas methanica. Biochem. J. 231, 635-639.
  • Nichols P. D., Palmisano A. C., Rayner M. S., Smith G. A., and White D. C. (1990) Occurrence of novel C30 sterols in Antarctic sea-ice diatom communities during a spring bloom. Org. Geochem. 15(5), 503-508.
  • Nichols P. D., Volkman J. K., Palmisano A. C., Smith G. A., and C W. D. (1988) Occurrence of an isoprenoid C25 di-unsaturated alkene and high neutral lipid content in Antarctic sea-ice diatom communities. J. Phycol. 24, 90-96.
  • Nip M., Tegelaar E. W., Brinkhuis H., de Leeuw J. W., Schenck P. A., and Holloway P. J. (1986a) Analysis of modern and fossil plant cuticles by Curie-point Py-GC and Curiepoint Py-GC-MS: recognition of a new highly aliphatic and resistant biopolymer. Org. Geochem. 10, 769-778.
  • Nip M., Tegelaar E. W., de Leeuw J. W., Schenck P. A., and Holloway P. J. (1986b) A new non-saponifable highly aliphatic and resistant biopolymer in plant cuticles: evidence from pyrolysis and 13C NMR analysis of present day and fossil plants. Naturwissenschaften 73, 579-585.
  • Noble R. A., Alexander R., and Kagi R. I. (1986) Identification of some diterpenoid hydrocarbons in petroleum. Org. Geochem. 10, 825-829.
  • Noble R. A., Alexander R., Kagi R. I., and Knox J. (1985) Tetracyclic diterpenoid hydrocarbons in some Australian coals, sediments and crude oils. Geochim. Cosmochim. Acta 49, 2141-2147.
  • Noble R. A., Wu C. H., and Atkinson C. D. (1991) Petroleum generation and migration from Talang Akar coals and shales offshore N.W. Java, Indonesia. Org. Geochem. 17, 363-374.
  • Oren A. (2002) Molecular ecology of extremely halophilic Archaea and Bacteria. FEMS Microbiol. Ecol. 39, 1-7.
  • Orphan V. J., House C. H., Hinrichs K. U., McKeegan K. D., and DeLong E. F. (2001) Methane-consuming archaea revealed by directly coupled isotopic and phylogenetic analysis. Science 293, 484-487.
  • Otto A. and Simoneit B. R. T. (2001) Chemosystematics and diagenesis of terpenoids in fossil conifer species and sediment from the Eocene Zeitz formation, Saxony, Germany. Geochim. Cosmochim. Acta 65(20), 3505-3527.
  • Otto A. and Simoneit B. R. T. (2002) Biomarkers of Holocene buried conifer logs from Bella Coola and north Vancouver, British Columbia, Canada. Org. Geochem. 33(11), 1241-1251.
  • Ourisson G. (1994) Biomarkers in the Proterozoic record. In Early life on Earth, Nobel Symposium Vol. 84 (ed. S. Bengtson), pp. 259-269. Columbia U. P.
  • Ourisson G. and Albrecht P. (1992) Hopanoids 1. Geohopanoids: the most abundant natural products on Earth? Acc. Chem. Res. 25, 398-402.
  • Ourisson G., Rohmer M., and Poralla K. (1987) Prokaryotic hopanoids and other polyterpenoid sterol surrogates. Ann. Rev. Microbiol. 41, 301-333.
  • Pancost R. D., Crawford N., and Maxwell J. R. (2002) Molecular evidence for basin-scale photic zone euxinia in the Permian Zechstein Sea. Chem. Geol. 188, 217-227.
  • Pancost R. D., Freeman K. H., Patzkowsky E., Wavrek D. A., and Collister J. W. (1998) Molecular indicators of redox and marine photoautotroph composition in the late Middle Ordovician of Iowa, U.S.A. Org. Geochem. 29(5-7), 1649-1662.
  • Pancost R. D., Sinninghe Damsté J. S., De Lint S., van der Maarel M. J., Gottschal J. C., and the MEDINAUT Shipboard Scientific Party. (2000) Biomarker evidence for widespread anaerobic methane oxidation in Mediterranean sediments by a consortium of methanogenic archaea and bacteria. Appl. Environ. Microbiol. 67, 1126-1132.
  • Pearson A., Eglinton T. I., and McNichol A. P. (2000) An organic tracer for surface ocean radiocarbon. Paleoceanography 15, 541-550.
  • Pearson A., McNichol A. P., Benitez-Nelson B. C., Hayes J. M., and Eglinton T. I. (2001) Origins of lipid biomarkers in Santa Monica Basin surface sediment: a case study using compound-specific 14C analysis. 65(18), 3123-3137.
  • Peng P., Sheng G., Fu J., and Yan Y. (1998) Biological markers in 1.7 billion year old rock from the Tuanshanzi Formation, Jixian strata section, North China. Org. Geochem. 29(5-7), 1321-1329.
  • Pepper A. S. and Dodd T. A. (1995) Simple kinetic models of petroleum formation. Part II: oil-gas cracking. Mar. Pet. Geol. 12(3), 321-340.
  • Perkins G. M., Bull I. D., Ten Haven H. L., Rullkötter J., Smith Z. E. F., and Peakman T. M. (1995) First positive identification of triterpanes of the taraxastane family in petroleums and oil shales: 19a(H)-taraxastane and 24-nor-19a(H)-taraxastane. Evidence for a previously unrecognised diagenetic alteration pathway of lup-20(29)-ene derivatives. 17th International Meeting on Organic Geochemistry. Organic Geochemistry: Developments and Applications to Energy, Climate, Environments and Human History, 247-279.
  • Peters K. E., Clark M. E., Das Gupta U., McCaffrey A. M., and Lee C. Y. (1995) Recognition of an infracambrian source rock based on biomarkers in the Baghewala-1 oil, India. AAPG Bull. 79(10), 1481-1494.
  • Peters K. E. and Moldowan J. M. (1993) The Biomarker Guide. Prentice Hall.
  • Philp R. P., Chen J. H., Fu F. M., and Sheng G. Y. (1992) A geochemical investigation of crude oils and source rocks from Biyang Basin, China. Org. Geochem. 18, 933-945.
  • Philp R. P. and Oung J.-N. (1992) Biomarker distributions in crude oils as determined by tandem mass spectrometry. In Biomarkers in Sediments and Petroleum (ed. J. M. Moldowan, P. Albrecht, and R. P. Philp), pp. 106-123. Prentice Hall.
  • Ping’an P., Eglinton G., Jiamo F., Guoying S., and Jiayou X. (1992) Biological Markers in Chinese Ancient Sediments. 2. Alkanes, cycloalkanes, and geoporphyrins in paleoenvironmental assessment. Energy Fuels 6, 225-235.
  • Piretti M., Pagliuca G., Boni L., Pistocchi R., Diamante M., and Gazzotti T. (1997) Investigation of 4-methyl sterols from cultured dinoflagellate algal strains. J. Phycol. 33, 61-67.
  • Pratt L. M., Summons R. E., and Hieshima G. B. (1991) Sterane and triterpane biomarkers in the Precambrian Nonesuch Formation, North American Midcontinent Rift. Geochim. Cosmochim. Acta 55, 911-916.
  • Price L. C. (1982) Organic geochemistry of core samples from an ultra-deep hot well (300°C, 7km). Chem. Geol. 37, 215-228.
  • Price L. C. (1983) Geologic time as a parameter in organic metamorphism and vitrinite reflectance as an absolute paleogeothermometer. J. Petrol. Geol. 6(1), 5-38.
  • Price L. C. (1993) Thermal stability of hydrocarbons in nature: limits, evidence, characteristics, and possible controls. Geochim. Cosmochim. Acta 57(14), 3261-3280.
  • Price L. C. (1997) Minimum thermal stability levels and controlling parameters of methane, as determined by C15+ hydrocarbon thermal stabilities. In Geologic controls of deep natural gas resources in the United States, Vol. 2146-K (ed. T. S. Dyman, D. D. Rice, and P. A. Westcott), pp. 139-176.
  • Price L. C. (2000) Organic metamorphism in the California petroleum basins: Chapter B – Insights from extractable bitumen and saturated hydrocarbons. U.S. Geol. Survey Bull. B 2174-B, 33 pp.
  • Price L. C., Clayton J., and Rumen L. L. (1981) Organic geochemistry of the 9.6km Bertha No. 1. well, Oklahoma. Org. Geochem. 3, 59-77.
  • Price L. C., Pawlewicz M. J., and Daws T. (1999) Organic metamorphism in the California petroleum basins: Chapter A – Rock Eval and vitrinite reflectance. U.S. Geol. Survey Bull. B 2174-A, 34 pp.
  • Price L. C. and Wenger L. M. (1992) The influence of pressure on petroleum generation and migration as suggested by aqueous pyrolysis. Org. Geochem. 19(1-3), 141-159.
  • Putschew A., Schaeffer P., Schaeffer-Reiss C., and Maxwell J. R. (1998) Carbon isotope characteristic of the diaromatic carotenoid, isorenieratene (intact and sulfide bound) and a novel isomer in sediments. Org. Geochem. 28(8), 1849-1856.
  • Püttmann W., Hagemann H. W., Merz C., and Speczik S. (1988) Influence of organic material on mineralization processes in the Permian Kupferschiefer Formation, Poland. Org. Geochem. 13(1-3), 357-363.
  • Radke M., Horsfield B., Littke R., and Rullkötter J. (1997) Maturation and petroleum generation. In Petroleum and Basin Evolution (ed. D. H. Welte, B. Horsfield, and D. R. Baker), pp. 169-229. Springer.
  • Raederstorff D. and Rohmer M. (1984) Sterols of the unicellular algae Nematochrysopsis roscoffensis and Chrysotila lamellosa: isolation of (24E)-24-n-propylidenecholesterol and 24-n-propylcholesterol. Phytochemistry 23(12), 2835-2838.
  • Rasmussen B. (2000) Filamentous microfossils in a 3,235-million-year-old volcanogenic massive sulphide deposit. Nature 405, 676-679.
  • Reddy C. M., Eglinton T. I., Hounshell A., White H. K., Xu L., Gaines R. B., and Frysinger G. S. (2002) The West Falmouth oil spill: the persistence of petroleum hydrocarbons in marsh sediments. Env. Sci. and Technol. 36, 4754-4760.
  • Redecker D., Kodner R., and Graham L. E. (2000) Glomalean Fungi from the Ordovician. Science 289, 1920-1921.
  • Reed J. H., Illich H. A., and Horsfield B. (1986) Biochemical evolutionary significance of Ordovician oils and their sources. Org. Geochem. 10, 347-358.
  • Requejo A. G., Creaney S., Allan J., Gray N. R., and Cole K. S. (1992) Aryl isoprenoids and diaromatic carotenoids in Paleozoic source rocks and oils from the Western Canada and Williston Basins. Org. Geochem. 19(1-3), 245-264.
  • Revill A. T., Volkman J. K., O’Leary T., Summons R. E., Boreham C. J., Banks M. R., and Denwer K. (1994) Depositional setting, hydrocarbon biomarkers and thermal maturity of tasmanite oil shales from Tasmania, Australia. Geochim. Cosmochim. Acta 58, 3803-3822.
  • Rieley G., Collier R. J., Jones D. M., Eglinton G., Eakin P. A., and Fallick A. E. (1991) Sources of sedimentary lipids inferred from carbon isotopic analysis of individual compounds. Nature 352, 425-427.
  • Rieley G., Collister J. W., Stern B., and Eglinton G. (1993) Gas chromatography/isotope ratio mass spectrometry of leaf wax n-alkanes from plants of differing carbon dioxide metabolisms. Rap. Comm. Mass. Spectrom. 7, 488-491.
  • Riolo J., Hussler G., Albrecht P., and Connan J. (1985) Distribution of aromatic steroids in geological samples: their evaluation as geochemical parameters. Org. Geochem. 10(4-6), 981-990.
  • Risatti J. B., Rowland S. J., Yon D. A., and Maxwell J. R. (1984) Stereochemical studies of acyclic isoprenoids XII. Lipids of methanogenic bacteria and possible contributions to sediments. Org. Geochem. 6, 93-104.
  • Robinson N. and Eglinton G. (1990) Lipid chemistry of Icelandic hot spring microbial mats. Org. Geochem. 15(3), 291-298.
  • Robinson N., Eglinton G., and Brassell S. C. (1984) Dinoflagellate origin for sedimentary 4a-methylsteroids and 5a(H)-stanols. Nature 308, 439-442.
  • Robson J. N. and Rowland S. J. (1986) Identification of novel widely distributed sedimentary acyclic sesterpenoids. Nature 324, 561-563.
  • Rohmer M. (1993) The biosynthesis of triterpenoids of the hopane series in the Eubacteria: mine of new enzyme reactions. Pure Appl. Chem. 65, 1293-1298.
  • Rohmer M., Bisseret P., and Neunlist S. (1992) The hopanoids, prokaryotic triterpenoids and precursors of ubiquitous molecular fossils. In Biological Markers in Sediments and Petroleum (ed. J. M. Moldowan, P. Albrecht, and R. P. Philp), pp. 1-17. Prentice Hall.
  • Rohmer M., Bouvier-Navé P., and Ourisson G. (1984) Distribution of hopanoid triterpenes in prokaryotes. J. Gen. Microbiol. 130, 1137-1150.
  • Rohmer M., Knani M., Simonin P., Sutter B., and Sahm H. (1993) Isoprenoid biosynthesis in bacteria: a novel pathway for the early steps leading to isopentenyl diphosphate. Biochem. J. 295, 517-524.
  • Rønnekleiv M. and Liaaen-Jensen S. (1995) Bacterial carotenoids 53, C50-carotenoids 23; Carotenoids of Haloferax volcanii versus other halophilic bacteria. Biochem. Syst. Ecol. 23(6), 627-634.
  • Rosing M. T. (1999) 13C-Depleted carbon microparticles in >3700-Ma sea-floor sedimentary rocks from West Greenland. Science 283, 674-676.
  • Rothman D. H., Hayes J. M., and Summons R. E. (2003) Dynamics of the Neoproterozoic carbon cycle. PNAS, in press.
  • Rothschild L. and Mancinelli R. L. (2001) Life in extreme environments. Nature 409, 1092-1101.
  • Rowland S. J., Allard W. G., Belt S. T., Massé G., Robert J.-M., Blackburn S. I., Frampton D., Revill A. T., and Volkman J. K. (2001) Factors influencing the distributions of polyunsaturated terpenoids in the diatom, Rhizosolenia setigera. Phytochemistry 58, 717-728.
  • Rubinstein I., Sieskind O., and Albrecht P. (1975) Rearranged steranes in a shale: occurrence and simulated formation. J. Chem. Soc., Perkin Trans. 1, 1833-1836.
  • Rubinstein I. and Strausz O. P. (1979) Geochemistry of the thiourea adduct fraction from an Alberta petroleum. Geochim. Cosmochim. Acta 43, 1387-1392.
  • Rullkötter J. (1999) Organic matter: the driving force for early diagenesis. In Marine Geochemistry (ed. H. D. Schulz and M. Zabel), pp. 129-172. Springer.
  • Rullkötter J., Peakman T. M., and ten Haven H. L. (1994) Early diagenesis of terrigenous terpenoids and its implications for petroleum geochemistry. Org. Geochem. 21, 215-233.
  • Rutters H., Sass H., Cypionka H., and Rullkötter J. (2001) Monoalkylether phospholipids in the sulfate-reducing bacteria Desulfosarcina variabilis and Desulforhabdus amnigenus. Arch. Microbiol. 176, 435-442.
  • Saito T., Terato H., and Yamamoto O. (1994) Pigments of Rubrobacter radiotolerans. Arch. Microbiol. 162(6), 414-421.
  • Sajgó C. (2000) Assessment of generation temperatures of crude oils. Org. Geochem. 31(12), 1301-1323.
  • Sandison C. M., Alexander R., Kagi R. I., and Boreham C. J. (2002) Sulfurisation of lipids in a marine-influenced lignite. Org. Geochem. 33(9), 1053-1077.
  • Saunders G. W., Potter D., and Andersen R. A. (1997) Phylogenetic affinities of the Sarcinochrysidales and Chrysomeridales (Heterokonta) based on analysis of molecular and combined data. J. Phycol. 33, 310318.
  • Schaeffer P., Adam P., Wehrung P., and Albrecht P. (1997) Novel aromatic carotenoid derivatives from sulfur photosynthetic bacteria in sediments. Tetrahedron Lett. 38(48), 8413-8416.
  • Schaeffer P., Reiss C., and Albrecht P. (1995) Geochemical study of macromolecular organic matter from sulfur-rich sediments of evaporitic origin (Messinian of Sicily) by chemical degradations. Org. Geochem. 23, 567-581.
  • Schaeflé J., Ludwig B., Albrecht P., and Ourisson G. (1977) Hydrocarbures aromatique d’origine geologique. II. Nouveaux carotanoïdes aromatiques fossiles. Tetrahedron Lett. 41, 3673-3676.
  • Schneider D. A., Bickford M. E., Cannon W. F., Schulz K. J., and Hamilton M. A. (2002) Age of volcanic rocks and syndepositional iron formations, Marquette Range Supergroup; implications for the tectonic setting of Paleoproterozoic iron formations of the Lake Superior region. Can. J. Earth Sci. 39(6), 999-1012.
  • Schoell M., McCaffrey A. M., Fago F. J., and Moldowan J. M. (1992) Carbon isotopic compositions of 28,30-bisnorhopanes and other biological markers in a Monterey crude oil. Geochim. Cosmochim. Acta 56, 1391-1399.
  • Schopf J. W., Kudryavtsev A. B., Agresti D. G., Wdowlak T. J., and Czaja A. D. (2002) Laser-Raman imagery of Earth’s earliest fossils. Nature 416, 73-76.
  • Schouten S., Bowman J. P., Rijpstra W. I. C., and Sinninghe Damsté J. S. (2000) Sterols in a psychrophilic methanotroph, Methylosphaera hansonii. FEMS Microbiol. Lett. 186, 193-195.
  • Schouten S., De Loureiro M. R. B., Sinninghe Damsté J. S., and de Leeuw J. W. (2001a) Molecular biogeochemistry of Monterey Sediments, Naples Beach, California I. Distributions of hydrocarbons and organic sulfur compounds. In The Monterey Formation: From Rocks to Molecules (ed. C. M. Isaacs and J. Rullkötter), pp. 150-174. Columbia Univ. Press.
  • Schouten S., Klein Breteler W. C. M., Blokker P., Schogt N., Rijpstra W. I. C., Grice K., Baas M., and Sinninghe Damsté J. S. (1998a) Biosynthetic effects on the stable carbon isotopic composition of algal lipids: implications for deciphering the carbon isotopic biomarker record. Geochim. Cosmochim. Acta 62, 1397-1406.
  • Schouten S., Rijpstra W. I. C., Kok M., Hopmans E. C., Summons R. E., Volkman J. K., and Sinninghe Damsté J. S. (2001b) Molecular organic tracers of biogeochemical processes in a saline meromictic lake (Ace Lake). Geochim. Cosmochim. Acta 65(10), 1629-1640.
  • Schouten S., Schoell M., Sinninghe Damsté J. S., Summons R. E., and de Leeuw J. W. (2001c) Molecular biogeochemistry of Monterey Sediments, Naples Beach, California II. Stable carbon isotopic compositions of free and sulphur-bound carbon skeletons. In The Monterey Formation: From Rocks to Molecules (ed. C. M. Isaacs and J. Rullkötter), pp. 175-188. Columbia Univ. Press.
  • Schouten S., Sephton S., Baas M., and Sinninghe Damsté J. S. (1998b) Steroid carbon skeletons with unusually branched C-3 alkyl side chains in sulphur-rich sediments. Geochim. Cosmochim. Acta 62(7), 1127-1132.
  • Schouten S., van der Maarel M. J., Huber R., and Sinninghe Damsté J. S. (1997) 2,6,10,15,19-pentamethylicosenes in Methanolobus bombayensis, a marine methanogenic archaeon, and in Methanosarcina mazei. Org. Geochem. 26, 409-414.
  • Schouten S., Wakeham S. G., Hopmans E. C., and Sinninghe Damsté J. S. (2003) Biogeochemical evidence that thermophilic archaea mediate the anaerobic oxidation of methane. Appl. Environ. Microbiol. 69, 1680-1686.
  • Shen Y., Buick R., and Canfield D. E. (2001) Isotopic evidence for microbial sulphate reduction in the early Archaean era. Nature 410, 77-81.
  • Shen Y., Knoll A. H., and Walter M. R. (2003) Evidence for low sulfate and anoxia in a mid-Proterozoic marine basin. Nature, in press.
  • Shiea J., Brassell S. C., and Ward D. M. (1990) Mid-chain branched mono- and dimethyl alkanes in hot spring cyanobacterial mats: a direct biogenic source for branched alkanes in ancient sediments? Org. Geochem. 15(3), 223-231.
  • Shiea J., Brassell S. C., and Ward D. M. (1991) Comparative analysis of extractable lipids in hot spring microbial mats and their component photosynthetic bacteria. Org. Geochem. 17, 309-319.
  • Sieskind O., Joly G., and Albrecht P. (1979) Simulation of the geochemical transformation of sterols: superacid effect of clay minerals. Geochim. Cosmochim. Acta 43(10), 1675-1680.
  • Simoneit B. R. T. (1977) Diterpenoid compounds and other lipids in deep-sea sediments and their geochemical significance. Geochim. Cosmochim. Acta 41, 463-476.
  • Simoneit B. R. T. and Fetzer J. C. (1996) High molecular weight polycyclic aromatic hydrocarbons in hydrothermal petroleums from the Gulf of California and Northeast Pacific Ocean. Org. Geochem. 24, 1065-1077.
  • Simoneit B. R. T., Grimalt J. O., Hwang T. G., Cox R. E., Hatcher P. G., and Nissenbaum A. (1986) Cyclic terpenoids of contemporary resinous plant detritus and of fossil woods, ambers and coals. Org. Geochem. 10, 877-889.
  • Simoneit B. R. T., Kawka O. E., and Wang G.-M. (1992) Biomarker maturation in contemporary hydrothermal systems, alteration of immature organic matter in zero geological time. In Biomarkers in Sediments and Petroleum (ed. J. M. Moldowan, P. Albrecht, and R. P. Philp), pp. 124-141. Prentice Hall.
  • Simons D.-J. H. and Kenig F. (2001) Molecular fossil constraints on the water column structure of the Cenomanian-Turonian Western Interior Seaway, USA. Palaeogeography, Palaeoclimatology, Palaeoecology 169, 129-152.
  • Simons D.-J. H., Kenig F., Critch D., and Schröder-Adams C. J. (2002) Significance of novel branched alkanes with quaternary carbon centers in black shales. Geochim. Cosmochim. Acta 66, A718 (abstr.).
  • Sinninghe Damsté J. S. and de Leeuw J. W. (1990) Analysis, structure and geochemical significance of organically-bound sulphur in the geosphere: state of the art and future research. Org. Geochem. 16(4-6), 1077-1101.
  • Sinninghe Damsté J. S., Kenig F., Koopmans M. P., Köster J., Schouten S., Hayes J. M., and De Leeuw J. W. (1995) Evidence for gammacerane as an indicator of water column stratification. Geochim. Cosmochim. Acta 59(9), 1895-1900.
  • Sinninghe Damsté J. S., Rijpstra W. I. C., Hopmans E. C., Prahl F. G., Wakeham S. G., and Schouten S. (2002a) Distribution of membrane lipids of planktonic Crenarchaeota in the Arabian Sea. Appl. Environ. Microbiol. 68, 2997-3002.
  • Sinninghe Damsté J. S., Rijpstra W. I. C., Schouten S., Peletier H., van der Maarel M. J., and Gieskes W. W. C. (1999a) A C25 highly branched isoprenoid alkene and C25 and C27 n-polyenes in the marine diatom Rhizosolenia setigera. Org. Geochem. 30, 95-100.
  • Sinninghe Damsté J. S., Schouten S., Hopmans E. C., van Duin A. C. T., and Geenevasen J. A. J. (2002b) Crenarchaeol : the characteristic core glycerol dibiphytanyl glycerol tetraether membrane lipid of cosmopolitan pelagic crenarchaeota. Journal of Lipid Research 43, 1641-1651.
  • Sinninghe Damsté J. S., Schouten S., Rijpstra W. I. C., Hopmans E. C., Peletier H., Gieskes W. W. C., and Geenevasen J. A. J. (1999b) Structural identification of the C25 highly branched isoprenoid pentaene in the marine diatom Rhizosolenia setigera. Org. Geochem. 30, 1581-1583.
  • Sinninghe Damsté J. S., Schouten S., and van Duin A. C. T. (2001) Isorenieratene derivatives in sediments: possible controls on their distribution. Geochim. Cosmochim. Acta 65, 1557-1571.
  • Sinninghe Damsté J. S., Strous M., Rijpstra W. I. C., Hopmans E. C., Geenevasen J. A. J., van Duin A. C. T., van Niftrik L. A., and Jetten M. S. M. (2002c) Linearly concatenated cyclobutane lipids form a dense bacterial membrane. Nature 419, 708-712.
  • Solomon P. R. and Carangelo R. M. (1987) FT-ir analysis of coal. Fuel 67, 949959.
  • Sorsowidjojo I. B., Murray A. P., Alexander R., Kagi R. I., and Summons R. E. (1996) Bicadinanes and related compounds as maturity indicators for oils and sediments. Org. Geochem. 24(1), 43-55.
  • Strand A., Shivajib S., and Liaaen-Jensen S. (1997) Bacterial carotenoids 55. C50-carotenoids 25. Revised structures of carotenoids associated with membranes in psychrotrophic Micrococcus roseus. Biochem. Syst. Ecol. 25(6), 547-552.
  • Subroto E. A., Alexander R., and Kagi R. I. (1991) 30-Norhopanes: their occurrence in sediments and crude oils. Chem. Geol. 93, 179-192.
  • Summons R. E. (1987) Branched alkanes from ancient and modern sediments: isomer discrimination by GC/MS with multiple reaction monitoring. Org. Geochem. 11(4), 281-289.
  • Summons R. E., Barrow R. A., Capon R. J., Hope J. M., and Stranger C. (1993) The structure of a new C25 isoprenoid alkane biomarker from diatomaceous microbial communities. Aust. J. Chem. 46, 907-915.
  • Summons R. E., Brassell S. C., Eglinton G., Evans E., Horodyski R. J., Robinson N., and Ward D. M. (1988a) Distinctive hydrocarbon biomarkers from fossiliferous sediments of the Late Proterozoic Walcott Member, Chuar Group, Grand Canyon, Arizona. Geochim. Cosmochim. Acta 52, 2625-2637.
  • Summons R. E. and Capon R. J. (1988) Fossil steranes with unprecedented methylation in ring-A. Geochim. Cosmochim. Acta 52, 2733-2736.
  • Summons R. E. and Capon R. J. (1991) Identification and significance of 3-ethyl steranes in sediments and petroleum. Geochim. Cosmochim. Acta 55, 2391-2395.
  • Summons R. E. and Jahnke L. L. (1990) Identification of the methylhopanes in sediments and petroleum. Geochim. Cosmochim. Acta 54, 247-251.
  • Summons R. E. and Jahnke L. L. (1992) Hopenes and hopanes methylated in ring-A: correlation of the hopanoids from extant methylotrophic bacteria with their fossil analogues. In Biological Markers in Sediments and Petroleum (ed. J. M. Moldowan, P. Albrecht, and R. P. Philp), pp. 182-200. Prentice Hall.
  • Summons R. E., Jahnke L. L., Cullings K. W., and Logan G. A. (2001) Cyanobacterial biomarkers: triterpenoids plus steroids? Eos Trans. AGU, Fall Meet. Suppl. 82(47), Abstract B22D-0184.
  • Summons R. E., Jahnke L. L., Hope J. M., and Logan G. A. (1999) 2-Methylhopanoids as biomarkers for cyanobacterial oxygenic photosynthesis. Nature 400, 554-557.
  • Summons R. E., Jahnke L. L., and Roksandic Z. (1994a) Carbon isotope fractionation in lipids from methanothrophic bacteria: relevance for interpretation of the geological record of biomarkers. Geochim. Cosmochim. Acta 58, 2853-2863.
  • Summons R. E., Metzger P., Largeau C., Murray A. P., and Hope J. M. (2002) Polymethylsqualanes from Botryococcus braunii in lacustrine sediments and oils. Org. Geochem. 33, 99-109.
  • Summons R. E. and Powell T. G. (1986) Chlorobiaceae in Paleozoic seas revealed by biological markers, isotopes and geology. Nature 319(6056), 763-765.
  • Summons R. E. and Powell T. G. (1987) Identification of aryl isoprenoids in source rocks and crude oils: biological markers for the green sulphur bacteria. Geochim. Cosmochim. Acta 51, 557-566.
  • Summons R. E. and Powell T. G. (1991) Petroleum source rocks of the Amadeus Basin. In The Amadeus Basin Central Australia. BMR Bulletin, Vol. 236 (ed. R. J. Korsch and J. M. Kennard), pp. 511-524.
  • Summons R. E. and Powell T. G. (1992) Hydrocarbon composition of the late Proterozoic oils of the Siberian Platform: implications for the depositional environment of source rocks. In Early Organic Evolution: Implications for Mineral and Energy Resources (ed. M. Schidlowski et al.), pp. 296-307. Springer-Verlag.
  • Summons R. E., Powell T. G., and Boreham C. J. (1988b) Petroleum geology and geochemistry of the Middle Proterozoic McArthur Basin, northern Australia: III. Composition of extractable hydrocarbons. Geochim. Cosmochim. Acta 52, 1747-1763.
  • Summons R. E., Taylor D., and Boreham C. (1994b) Geochemical tools for evaluating petroleum generation in Middle Proterozoic sediments of the McArthur Basin, Northern Territory, Australia. APEA J. 34, 692-706.
  • Summons R. E., Thomas J., Maxwell J. R., and Boreham C. J. (1992) Secular and environmental constraints on the occurrence of dinosterane in sediments. Geochim. Cosmochim. Acta 56, 2437-2444.
  • Summons R. E., Volkman J. K., and Boreham C. J. (1987) Dinosterane and other steroidal hydrocarbons of dinoflagellate origin in sediments and petroleum. Geochim. Cosmochim. Acta 51, 3075-3082.
  • Summons R. E. and Walter M. R. (1990) Molecular fossils and microfossils of prokaryotes and protists from Proterozoic sediments. Am. J. Sci. 290-A, 212-244.
  • Suzuki K.-I., Saito K., Kawaguchi A., Okuda S., and Komagata K. (1981) Occurrence of w-cyclohexyl fatty acids in Curtobacterium pusillum strains. J. Gen. Appl. Microbiol. 27, 261-266.
  • Talbot H. M., Watson D. F., Murrell J. C., Carter J. F., and Farrimond P. (2001) Analysis of intact bacteriohopanepolyols from methanotrophic bacteria by reversed phase high performance liquid chromatography – atmospheric pressure chemical ionisation – mass spectrometry. J. Chromatogr. A 921, 175-185.
  • Talyzina N. M., Moldowan J. M., Johannisson A., and Fago F. J. (2000) Affinities of Early Cambrian acritarchs studied by using microscopy, fluorescence flow cytometry and biomarkers. Rev. Palaeobot. Palynol. 108(1-2), 37-53.
  • Taylor D., Kontorovich A. E., Larichev A. I., and Glikson M. (1994) Petroleum source rocks in the Roper Group of the McArthur Basin: source characterisation and maturity determinations using physical and chemical methods. APEA J., 279-296.
  • Tegelaar E. W., de Leeuw J. W., Derenne S., and Largeau C. (1989) A reappraisal of kerogen formation. Geochim. Cosmochim. Acta 53, 3103-3106.
  • Tegelaar E. W., Hollman G., van der Vegt P., de Leeuw J. W., and Holloway P. J. (1995) Chemical characterization of the periderm tissue of some angiosperm species: recognition of an insoluble, non-hydrolyzable, aliphatic biomacromolecule (Suberan). Org. Geochem. 23(3), 239-251.
  • ten Haven H. L., de Leeuw J. W., Sinninghe Damsté J. S., Schenck P. A., Palmer S. E., and Zumberge J. E. (1988) Application of biological markers in the recognition of palaeo-hypersaline environments. In Lacustrine Petroleum Source Rocks, Vol. 40 (ed. K. Kelts, A. Fleet, and M. Talbot), pp. 123-130. Blackwell.
  • ten Haven H. L., Peakman T. M., and Rullkötter J. (1992) Early diagenetic transformation of higher-plant triterpenoids in deep-sea sediments of Baffin Bay. Org. Geochem. 56, 2001-2024.
  • ten Haven H. L., Rohmer M., Rullkötter J., and Bisseret P. (1989) Tetrahymanol, the most likely precursor of gammacerane, occurs ubiquitously in marine sediments. Geochim. Cosmochim. Acta 53, 30733079.
  • Thiel V., Blumenberg M., Pape T., Seifert R., and Michaelis W. (2003) Unexpected occurrence of hopanoids at gas seeps in the Black Sea. Org. Geochem. 34, 81-87.
  • Thiel V., Peckmann J., Seifert R., Wehrung P., Reitner J., and Michaelis W. (1999) Highly isotopically depleted isoprenoids: molecular markers for ancient methane venting. Geochim. Cosmochim. Acta 63(23/24), 3959-3966.
  • Tissot B. P. and Welte D. H. (1984) Petroleum Formation and Occurrence. Springer Verlag.
  • Tornabene T. G., Langworthy T. A., Holzer G., and Oro J. (1979) Squalenes, phytanes and other isoprenoids as major neutral lipids of methanogenic and thermoacidophilic archaebacteria. J. Mol. Evol. 13, 73-83.
  • Triebs A. (1936) Chlorophyll and hemin derivatives in organic mineral substances. Angew. Chem. 49, 682-686.
  • van Aarssen B. G. K., Cox H. C., Hoogendoorn P., and de Leeuw J. W. (1990) A cadinene biopolymer in fossil and extant dammar resins as a source for cadinanes and bicadinanes in crude oils from South East Asia. Geochim. Cosmochim. Acta 54(11), 3021-3031.
  • van Aarssen B. G. K., Quanxing Z., and de Leeuw J. W. (1992) An unusual distribution of bicadinanes, tricadinanes and oligocadinanes in sediments from the Yacheng gasfield, China. Org. Geochem. 18(6), 805-812.
  • van der Meer M. T. J., Schouten S., van Dongen B. E., Rijpstra W. I. C., Fuchs G., Sinninghe Damsté J. S., de Leeuw J. W., and Ward D. M. (2001) Biosynthetic controls on the 13C contents of organic components in the photoautotrophic bacterium Chloroflexus aurantiacus. J. Biol. Chem. 276, 10971-10976.
  • van Kaam-Peters H. M. E., Köster J., van der Gaast S. J., Dekker M., de Leeuw J. W., and Sinninghe Damsté J. S. (1998) The effect of clay minerals on diasterane/sterane ratios. Geochim. Cosmochim. Acta 62(17), 2923-2929.
  • Villar H. J., Püttmann W., and Wolf M. (1988) Organic geochemistry and petrography of Tertiary coals and carbonaceous shales from Argentina. Org. Geochem. 13, 1011-1021.
  • Volkman J. K. (1986) A review of sterol markers for marine and terrigenous organic matter. Org. Geochem. 9(2), 83-99.
  • Volkman J. K. (2003) Sterols in microorganisms. Appl. Microbiol. Biotechnol. 60, 496-506.
  • Volkman J. K., Barrett S. M., Blackburn S. I., Mansour M. P., Sikes E. L., and Gelin F. (1998) Microalgal biomarkers: a review of recent research developments. Org. Geochem. 29(5-7), 1163-1179.
  • Volkman J. K., Barrett S. M., and Dunstan G. A. (1994) C25 and C30 highly branched isoprenoid alkanes in laboratory cultures of two marine diatoms. Org. Geochem. 21, 407-413.
  • Volkman J. K., Barrett S. M., Dunstan G. A., and Jeffrey S. W. (1993) Geochemical significance of the occurrence of dinosterol and other 4-methyl sterols in a marine diatom. Org. Geochem. 20(1), 7-15.
  • Volkman J. K., Eglinton G., and Corner E. D. S. (1980) Sterols and fatty acids of the marine diatom Biddulphia sinensis. Phytochemistry 19, 1809-1813.
  • Volkman J. K., Kearney P., and Jeffrey S. W. (1990) A new source of 4-methyl sterols and 5a(H)-stanols in sediments: prymnesiophyte microalgae of the genus Pavlova. Org. Geochem. 15(5), 489-497.
  • Volkman J. K., Rijpstra W. I. C., de Leeuw J. W., Mansour M. P., Kackson A. E., and Blackburn S. I. (1999) Sterols of four dinoflagellates from the genus Prorocentrum. Phytochemistry 42, 659-668.
  • Wakeham S. G., Freeman K. H., Pease T., and Hayes J. M. (1993) A photoautotrophic source for lycopane in marine water columns. Geochim. Cosmochim. Acta. 57, 159-165.
  • Wakeham S. G., Sinninghe Damsté J. S., Kohnen M. E. L., and de Leeuw J. W. (1995) Organic sulfur compounds formed during early diagenesis in Black Sea sediments. Geochim. Cosmochim. Acta 59, 521-533.
  • Walter M. R., Buick R., and Dunlop J. S. R. (1980) Stromatolites 3,400-3,500 Myr old from the North Pole area, Western Australia. Nature 284, 443-445.
  • Wang T.-G. (1991) A novel tricyclic terpane biomarker series in the upper Proterozoic bituminous sandstone, eastern Yanshan Region. Sci. China, Ser. B 34(4), 479-489.
  • Wang T. G. and Simoneit B. R. T. (1990) Organic Geochemistry and coal petrology of Tertiary brown coal in the Zhoujing mine, Baise Basin, South China. 2. Biomarker assemblage and significance. Fuel 69, 12-20.
  • Wang T.-G. and Simoneit B. R. T. (1995) Tricyclic terpanes in Precambrian bituminous sandstone from the eastern Yanshan region, North China. Chem. Geol. 120, 155-170.
  • Waples D. W. (2000) The kinetics of in-reservoir oil destruction and gas formation: constraints from experimental and empirical data, and from thermodynamics. Org. Geochem. 31, 553-575.
  • Watts C. D., Maxwell J. R., and Kjøsen H. (1977) The potential of carotenoids as environmental indicators. Advances in Organic Geochemistry, Proc. Meet. Org. Geochem., 7th, 391-413.
  • Werne J. P., Baas M., and Sinninghe Damsté J. S. (2002) Molecular isotopic tracing of carbon flow and trophic relationships in a methane-supported benthic microbial community. Limnol. Oceanogr. 47(6), 16941701.
  • Wharton B., Alexander R., and Kagi R. I. (1997) Identification of some single branched alkanes in crude oils. Org. Geochem. 27, 465-476.
  • Whitehead E. V. (1973) Molecular evidence for the biogenesis of petroleum and natural gas. In Proceedings of Symposium on Hydrogeochemistry and Biogeochemistry, Vol. 2 (ed. E. Ingerson), pp. 158-211. The Clarke Co.
  • Wilson M. A. (1987) NMR Techniques and Applications in Geochemistry and Soil Chemistry. Pergamon Press.
  • Wilson M. A., La Fargue E., and Gizachew D. (1994) Solid state 13C NMR for characterising source rocks. APEA J. 34, 210-215.
  • Woese C. R., Kandler O., and Wheelis M. L. (1990) Towards a natural system of organisms: proposal for the domains Archaea, Bacteria, and Eucarya. Proc. Natl. Acad. Sci. USA 87, 4576-4579.
  • Xiao S., Zhang Y., and Knoll A. H. (1998) Three-dimensional preservation of algae and animal embryos in a Neoproterozoic phosphorite. Nature 391(5), 553-558.
  • Xiong J., Fischer W. M., Inoue K., Nakahara M., and Bauer C. E. (2000) Molecular evidence for the early evolution of photosynthesis. Science 289, 1724-1730.
  • Yano K., Akihisa T., Tamura T., and Matsumoto T. (1992) Four 4a-methylsterols and triterpene alcohols from Neolitsea aciculata. Phytochemistry 31(6), 2093-2098.
  • Zander J. M., Caspi E., Pandey G. N., and Mitra C. R. (1969) The presence of tetrahymanol in Oleandra wallichii. Phytochemistry 8(11), 2265-2267.
  • Zang W. L. and Walter M. R. (1989) Latest Proterozoic plankton from the Amadeus Basin in central Australia. Nature 337, 642-645.
  • Zhang Z. (1986) Clastic facies microfossils from the Chuanlinggou Formation (1800 Ma) near Jixian, North China. J. Micropalaeontol. 5(2), 9-16.
  • Zundel M. and Rohmer M. (1985a) Hopanoids of the methylotrophic bacteria Methylococcus capsulatus and Methylomonas sp. as possible precursors for the C29 and C30 hopanoid chemical fossils. FEMS Microbiol. Lett. 28, 61-64.
  • Zundel M. and Rohmer M. (1985b) Prokaryotic triterpenoids 1. 3-methylhopanoids from Acetobacter sp. and Methylococcus capsulatus. Eur. J. Biochem. 150, 23-27.
  • Zundel M. and Rohmer M. (1985c) Prokaryotic triterpenoids 3. The biosynthesis of 2b-methylhopanoids and 3b-methylhopanoids of Methylobacterium organophilum and Acetobacter pasteurianus spp. pasteurianus. Eur. J. Biochem. 150, 35-39.