Controlling function of organic matter supply and preservation on formation of source rocks

被引：5
|
作者：
Ding X. [1 ,2 ]
Liu G. [2 ]
Huang Z. [2 ]
Lu X. [3 ]
Chen Z. [2 ]
Gu F. [4 ]
机构：
[1] School of Geosciences, China University of Petroleum, Qingdao
[2] College of Geosciences, China University of Petroleum, Beijing
[3] PetroChina Huabei Oilfield Company, Renqiu
[4] Research and Development Center of Gas and Power Group, CNOOC Ltd., Beijing
来源：
Diqiu Kexue - Zhongguo Dizhi Daxue Xuebao/Earth Science - Journal of China University of Geosciences | 2016年 / 41卷 / 05期
关键词：
Erlian basin; Organic matter preservation; Organic matter supply; Paleo-productivity; Petroleum geology; Terrigenous organic matter input;
D O I：
10.3799/dqkx.2016.070
中图分类号：
学科分类号：
摘要：
The debate on formation of source rocks has been focused on “productivity mode” and “preservation mode” in marine sediments for many years. Based on the datasets of total organic carbon, carbonate carbon isotope, pyrolysis parameters and reduced sulfur of source rocks of Erlian basin, the productivity and terrigenous organic matter input are characterized and then the role of organic matter supply and preservation in the formation of source rocks are discussed. For the lacustrine basin with high organic matter supply, organic matter supply is the main factor controlling the formation on source rocks because there are still source rocks formed by accumulation of residual organic matter even in the oxidizing sedimentary environment. For the lacustrine basin with low organic matter supply, preservation is the main factor controlling the formation on source rocks because the organic matter can only be preserved in reducing environment since it is too rare to be preserved from oxidation. © 2016, Editorial Department of Earth Science. All right reserved.
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页码：832 / 842
页数：10
相关论文
共 53 条
  • [1] Adegoke A.K., Abdullah W.H., Hakimi M.H., Et al., Geochemical Characterisation of Fika Formation in the Chad (Bornu) Basin, Northeastern Nigeria: Implications for Depositional Environment and Tectonic Setting, Applied Geochemistry, 43, pp. 1-12, (2014)
  • [2] Arthur M.A., Dean W.E., Organic-Matter Production and Preservation and Evolution of Anoxia in the Holocene Black Sea, Paleoceanography, 13, 4, pp. 395-411, (1998)
  • [3] Calvert S.E., Oceanographic Controls on the Accumulation of Organic Matter in Marine Sediments, Geological Society, London, Special Publications, 26, 1, pp. 137-151, (1987)
  • [4] Calvert S.E., Bustin R.M., Pedersen T.F., Lack of Evidence for Enhanced Preservation of Sedimentary Organic Matter in the Oxygen Minimum of the Gulf of California, Geology, 20, 8, (1992)
  • [5] Calvert S.E., Pedersen T.F., Naidu P.D., Et al., On the Organic Carbon Maximum on the Continental Slope of the Eastern Arabian Sea, Journal of Marine Research, 53, 2, pp. 269-296, (1995)
  • [6] Calvert S.E., Pedersen T.F., Anoxia vs. Productivity: What Controls the Formation of Organic-Carbon-Rich Sediments and Sedimentary Rocks? (1), AAPG Bulletin, 74, pp. 454-466, (1990)
  • [7] de Graciansky P.C., Deroo G., Herbin J.P., Et al., Ocean-Wide Stagnation Episode in the Late Cretaceous, Nature, 308, 5957, pp. 346-349, (1984)
  • [8] Degens E.T., von Herzen R.P.V., Wong H.K., Lake Tanganyika: Water Chemistry, Sediments, Geological Structure, Naturwissenschaften, 58, 5, pp. 229-241, (1971)
  • [9] Degens E.T., von Herzen R.P.V., Wong H.K., Et al., Lake Kivu: Structure, Chemistry and Biology of an East African Rift Lake, Geologische Rundschau, 62, 1, pp. 245-277, (1973)
  • [10] Demaison G.J., Moore G.T., Anoxic Environments and Oil Source Bed Genesis, Organic Geochemistry, 2, 1, pp. 9-31, (1980)
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