Distribution and isomerization of C31–C35 homohopanes and C29 steranes in oligocene saline lacustrine sediments from Qaidam Basin, Northwest China

Bishop, 1993, The interrelationship of biological marker maturity parameters and molecular yields during contact metamorphism, Geochimica et Cosmochimica Acta, 57, 3661, 10.1016/0016-7037(93)90147-O Bishop, 1998, Release of kerogen-bound hopanoids by hydropyrolysis, Organic Geochemistry, 29, 989, 10.1016/S0146-6380(98)00140-5 Curiale, 1989, Short-term biomarker variability in the Monterey Formation, Santa Maria Basin, Organic Geochemistry, 14, 1, 10.1016/0146-6380(89)90014-4 Dzou, 1995, Maturation effects on absolute biomarker concentration in a suite of coals and associated vitrinite concentrates, Organic Geochemistry, 23, 681, 10.1016/0146-6380(95)00035-D Ensminger, 1977, Evolution of polycyclic alkanes under the effect of burial (early Toarcian shales, Paris basin), 45 Ensminger, 1974, Pentacyclic triterpenes of the hopane type as ubiquitous geochemical markers: origin and significance, 245 Farrimond, 1996, Hopanoid hydrocarbon maturation by an igneous intrusion, Organic Geochemistry, 25, 149, 10.1016/S0146-6380(96)00128-3 Farrimond, 2003, Evidence for the rapid incorporation of hopanoids into kerogen, Geochimica et Cosmochimica Acta, 67, 1383, 10.1016/S0016-7037(02)01287-5 Farrimond, 1998, Biomarker maturity parameters: the role of generation and thermal degradation, Organic Geochemistry, 29, 1181, 10.1016/S0146-6380(98)00079-5 Hanson, 2001, Upper oligocene lacustrine source rocks and petroleum systems of the northern Qaidam basin, northwest China, American Association of Petroleum Geologists Bulletin, 85, 601 Huang, 1989, The tertiary oil source correlation in Qaidam basin, Acta Sedimentologica Sinica, 7, 1 Huang, 1991, Maturation sequence of Tertiary crude oils in the Qaidam basin and its significance in petroleum resource assessment, Journal of Southeast Asian Earth Sciences, 5, 359, 10.1016/0743-9547(91)90049-4 Huang, 1994, The origin of 4-methyl steranes and pregnanes from Tertiary strata in the Qaidam basin, China, Organic Geochemistry, 22, 343, 10.1016/0146-6380(94)90180-5 Huang, D., Zhang, D., Wang, T., Wang, P., 1999. The formation mechanisms, accumulations and petroleum resource assessment of immature and low mature oils in China. Internal Research Report, CNPC, p. 669 (in Chinese). Köster, 1997, Sulphurisation of homohopanoids: effects on carbon number distribution, speciation, and 22S/22R epimer ratios, Geochimica et Cosmochimica Acta, 61, 2431, 10.1016/S0016-7037(97)00110-5 Larcher, 1988, Differences in reactivities of sedimentary hopane diastereomers when heated in the presence of clays, Organic Geochemistry, 13, 665, 10.1016/0146-6380(88)90087-3 Lewan, 1986, Effects of thermal maturation on steroid hydrocarbons as determined by hydrous pyrolysis of Phosphoria Retort Shale, Geochimica et Cosmochimica Acta, 50, 1977, 10.1016/0016-7037(86)90253-X Love, 1997, Effect of process variables in catalytic hydropyrolysis on the release of covalently bound aliphatic hydrocarbons from sedimentary organic matter, Energy & Fuels, 11, 522, 10.1021/ef960194x Love, 1995, Release of covalently bound alkane biomarkers in high yields from kerogen via catalytic hydropyrolysis, Organic Geochemistry, 23, 981, 10.1016/0146-6380(95)00075-5 Love, 1996, Changes in molecular biomarker and bulk carbon skeletal parameters of vitrinite concentrates as a function of rank, Energy & Fuels, 10, 149, 10.1021/ef950026p Love, 1998, Differences in the mode of incorporation and biogenicity of the principal constituents of a type I oil shale, Organic Geochemistry, 28, 797, 10.1016/S0146-6380(98)00050-3 Lu, 1989, Pyrolysis of kerogens in the absence and presence of montmorillonite. I. The generation, degradation and isomerization of steranes and triterpanes at 200 and 300°C, Organic Geochemistry, 14, 491, 10.1016/0146-6380(89)90029-6 Mackenzie, 1980, Molecular parameters of maturation in the Toarcian shales, Paris basin, France I. Changes in the configurations of the acyclic isoprenoid alkanes, steranes and triterpanes, Geochimica et Cosmochimica Acta, 44, 1709, 10.1016/0016-7037(80)90222-7 Mackenzie, 1984, Applications of biological markers in petroleum geochemistry, vol. 1, 115 Moldowan, 1992, Source correlation and maturity assessment of select oils and rocks from the Central Adriatic Basin (Italy and Yugoslavia), 370 Monthioux, 1986, Comparison between extracts from natural and artificial maturation series of Mahakam Delta coals, Organic Geochemistry, 10, 299, 10.1016/0146-6380(86)90031-8 Monthioux, 1985, Comparison between natural and artificial maturation series of humic coals from the Mahakam Delta, Indonesia, Organic Geochemistry, 8, 275, 10.1016/0146-6380(85)90006-3 Murray, 1998, Comparison of covalently bound aliphatic biomarkers released via hydropyrolysis with their solvent-extractable counterparts for a suite of Kimmeridge Clays, Organic Geochemistry, 29, 1487, 10.1016/S0146-6380(98)00162-4 Ourisson, 1979, The hopanoids, paleochemistry and biochemistry of a group of natural products, Pure and Applied Chemistry, 51, 709, 10.1351/pac197951040709 Ourisson, 1984, The microbial origin of fossil fuels, Scientific American, 251, 34, 10.1038/scientificamerican0884-44 Pan, 2007, Mixing and biodegradation of hydrocarbons in the Daerqi oilfield, Baiyinchagan Depression, northern China, Organic Geochemistry, 38, 1479, 10.1016/j.orggeochem.2007.06.004 Pan, 2006, Chemical and carbon isotopic fractionations of gaseous hydrocarbons during abiogenic oxidation, Earth and Planetary Science Letters, 246, 70, 10.1016/j.epsl.2006.04.013 Pang, 2003, Petroleum systems in the Bohai Bay Basin. Part 2. Geochemical evidence for significant contribution of mature source rocks to “immature oils” in the Bamianhe field, Organic Geochemistry, 34, 931, 10.1016/S0146-6380(03)00032-9 Peng, D., 2005. Hydrocarbon generation from Tertiary saline lacustrine source rocks in the Western Qaidam Basin, northwest China. Ph.D. Dissertation, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences. Peters, 1990, Effects of hydrous pyrolysis on biomarker thermal maturity parameters: Monterey phosphatic and siliceous members, Organic Geochemistry, 15, 249, 10.1016/0146-6380(90)90003-I Peters, 1991, Effects of source, thermal maturity, and biodegradation on the distribution and isomerization of homohopanes in petroleum, Organic Geochemistry, 17, 47, 10.1016/0146-6380(91)90039-M Peters, 1993 Peters, 2005, vol. 2 Requejo, 1994, Maturation of petroleum source rocks. II. Quantitative changes in extractable hydrocarbon content and composition associated with hydrocarbon generation, Organic Geochemistry, 13, 91, 10.1016/0146-6380(94)90089-2 Seifert, 1980, The effect of thermal stress on source-rock quality as measured by hopane stereochemistry, 229 Seifert, 1986, Use of biological markers in petroleum exploration, 261 Sinninghe Damsté, 1995, Early diagenesis of bacteriohopanepolyols derivates: formation of fossil homohopanoids, Geochimica et Cosmochimica Acta, 59, 5141, 10.1016/0016-7037(95)00338-X Strachan, 1989, Constraints upon the use of 24-ethylcholestane diastereomer ratios as indicators of the maturity of petroleum, Organic Geochemistry, 14, 423, 10.1016/0146-6380(89)90007-7 Van Duin, 1997, A kinetic calculation method of homohopanoid maturation: applications in the reconstruction of burial histories of sedimentary basins, Geochimica et Cosmochimica Acta, 61, 2409, 10.1016/S0016-7037(97)00105-1 Zhu, 2005, Geochemical characteristics of Tertiary saline lacustrine oils in the Western Qaidam Basin, northwest China, Applied Geochemistry, 20, 1875, 10.1016/j.apgeochem.2005.06.003 Zumberge, 1987, Terpenoid biomarker distributions in low maturity crude oils, Organic Geochemistry, 11, 479, 10.1016/0146-6380(87)90004-0