Impact of Terrigenous Organic Matter Input on Organic Matter Enrichment of Paleocene Source Rocks, Lishui Sag, East China Sea

To clarify the organic matter (OM) enrichment of the Lishui Sag, the factors influencing the variable abundance of OM in the Lingfeng Formation are studied using organic geochemical data. The source rocks of the Lingfeng Formation have medium–high total organic carbon (TOC) values (0.53–3.56%). The main type of kerogen is II2-III. Compared to the shallow marine subfacies source rocks, the TOC of the delta front subfacies source rocks is higher. The distribution of biomarkers shows that the redox environment of the delta front subfacies source rock is the sub-oxidizing and oxic environment, and the source rock is mainly supplied by terrigenous higher plants; the redox environment of shallow marine subfacies source rocks is a sub-reducing and suboxic environment, and the OM mainly comes from algae. The link between OM input and OM abundance demonstrates that terrigenous OM (TOM) input has a considerable influence on OM abundance. However, there is no obvious relationship between preservation and OM abundance, which suggests that preservation is not the determining element in OM enrichment. The strong sediment flux decreases the amount of time that OM is exposed to oxygen. As a result, delta front subfacies with large TOM input have a huge number of excellent source rocks. This paper proposes a “delta front-OM input model” for excellent source rocks.

[1]  M. Wagreich,et al.  Late Campanian Climatic-Continental Weathering Assessment and Its Influence on Source Rocks Deposition in Southern Tethys, Egypt , 2023, Minerals.

[2]  Xiaosan Zhu,et al.  Structural features of the Jiangshao Fault Zone inferred from aeromagnetic data for South China and the East China Sea , 2022, Tectonophysics.

[3]  Xiaofeng Liu,et al.  Hydrocarbon generation potential, geochemical characteristics, and accumulation contribution of coal-bearing source rocks in the Xihu Sag, East China Sea Shelf Basin , 2022, Marine and Petroleum Geology.

[4]  Bingsong Yu,et al.  Geochemistry and source of crude oils in the Wensu uplift, Tarim Basin, NW China , 2022, Journal of Petroleum Science and Engineering.

[5]  Shengli Li,et al.  Genetic types of mudstone in a closed-lacustrine to open-marine transition and their organic matter accumulation patterns: A case study of the paleocene source rocks in the east China sea basin , 2022 .

[6]  Chirangano Mangwandi,et al.  Enhancing the Chromium Removal Capacity of Banana Peel Wastes by Acid Treatment , 2022, New Prospects in Environmental Geosciences and Hydrogeosciences.

[7]  D. Hou,et al.  Organic geochemical signatures of source rocks and oil-source correlation in the Papuan Basin, Papua New Guinea , 2021, Journal of Petroleum Science and Engineering.

[8]  P. Sun,et al.  Factors controlling the distribution of oil shale layers in the Eocene Fushun Basin, NE China , 2021, Marine and Petroleum Geology.

[9]  Tao Chen,et al.  Improved understanding of the origin and accumulation of hydrocarbons from multiple source rocks in the Lishui Sag: Insights from statistical methods, gold tube pyrolysis and basin modeling , 2021, Marine and Petroleum Geology.

[10]  Jianping Chen,et al.  Geochemical evidence of lake environments favorable for the formation of excellent source rocks: A case study from the third member of the Eocene Shahejie Formation in the Qikou Sag, Bohai Bay Basin, eastern China , 2021, Marine and Petroleum Geology.

[11]  N. Harada,et al.  Assessment of long-chain n-alkanes as a paleoclimate proxy in the Bering Sea sediments , 2021, Progress in Oceanography.

[12]  C. I. Adamu,et al.  Hydrocarbon potentials of sediments of the Ikom-Mamfe embayment, Southeastern Nigeria and Western Cameroon , 2021, Journal of African Earth Sciences.

[13]  Shu Jiang,et al.  Impact of input, preservation and dilution on organic matter enrichment in lacustrine rift basin: A case study of lacustrine shale in Dehui Depression of Songliao Basin, NE China , 2021, Marine and Petroleum Geology.

[14]  G. Hu,et al.  The geochemical characteristics, distribution of marine source rocks and gas exploration potential in the northwestern Sichuan Basin, China , 2021, Journal of Natural Gas Geoscience.

[15]  Shiqiang Wu,et al.  Geochemical characteristics and organic matter accumulation of argillaceous dolomite in a saline lacustrine basin: A case study from the paleogene xingouzui formation, Jianghan Basin, China , 2021 .

[16]  S. Yin,et al.  Characteristics and deposition models of the paleocene source rocks in the Lishui Sag, east China sea shelf basin: Evidences from organic and inorganic geochemistry , 2021 .

[17]  Tieguan Wang,et al.  Organic geochemical compositions of Mesoproterozoic source rocks in the Yanliao Rift, Northern China , 2021 .

[18]  Y. Liu,et al.  Origin of crude oils from the paleogene Xingouzui formation in the Jiangling depression of Jianghan basin, central China , 2020 .

[19]  Shiqiang Wu,et al.  Kinetics of shale oil generation from kerogen in saline basin and its exploration significance: An example from the Eocene Qianjiang Formation, Jianghan Basin, China , 2020 .

[20]  Yang Li,et al.  Diagenesis and reservoir quality of Paleocene tight sandstones, Lishui Sag, East China Sea Shelf Basin , 2020 .

[21]  W. Lu,et al.  CH4 accumulation characteristics and relationship with deep CO2 fluid in Lishui sag, East China Sea Basin , 2020 .

[22]  Zhao Zhao,et al.  Characteristics and origin of the Lower Oligocene marine source rocks controlled by terrigenous organic matter supply in the Baiyun Sag, northern South China Sea , 2020 .

[23]  YingXun Du,et al.  A comparison of n-alkane contents in sediments of five lakes from contrasting environments , 2020 .

[24]  G. Zhu,et al.  Excellent source rocks discovered in the Cryogenian interglacial deposits in South China: Geology, geochemistry, and hydrocarbon potential , 2019, Precambrian Research.

[25]  Wenlong Shen,et al.  Organic geochemistry, distribution and hydrocarbon potential of source rocks in the Paleocene, Lishui Sag, East China Sea Shelf Basin , 2019, Marine and Petroleum Geology.

[26]  Ming Zha,et al.  Organic matter origin and accumulation in tuffaceous shale of the lower Permian Lucaogou Formation, Jimsar Sag , 2019, Journal of Petroleum Science and Engineering.

[27]  Changqing Yang,et al.  Discovery of Late Cretaceous- Paleocene faulted basins developed on the Yandang Low Uplift, East China Sea Shelf Basin , 2019, China Geology.

[28]  Fu Xiaowei,et al.  The formation and evolution of the East China Sea Shelf Basin: A new view , 2019, Earth-Science Reviews.

[29]  Jianhua Zhao,et al.  Sedimentation mechanisms and enrichment of organic matter in the Ordovician Wufeng Formation-Silurian Longmaxi Formation in the Sichuan Basin , 2019, Marine and Petroleum Geology.

[30]  Hongliang Wang,et al.  Cenozoic tectonic evolution of the East China Sea Shelf Basin and its coupling relationships with the Pacific Plate subduction , 2019, Journal of Asian Earth Sciences.

[31]  W. Lu,et al.  Charge history of CO2 in Lishui sag, East China Sea basin: Evidence from quantitative Raman analysis of CO2-bearing fluid inclusions , 2018, Marine and Petroleum Geology.

[32]  Jianfang Hu,et al.  Depositional environment of the Late Santonian lacustrine source rocks in the Songliao Basin (NE China): Implications from organic geochemical analyses , 2018, Organic Geochemistry.

[33]  Zhonghong Chen,et al.  Biomarker signatures of the Ediacaran–Early Cambrian origin petroleum from the central Sichuan Basin, South China: Implications for source rock characteristics , 2018, Marine and Petroleum Geology.

[34]  P. Fu,et al.  Homologous series of n-alkanes (C19-C35), fatty acids (C12-C32) and n-alcohols (C8-C30) in atmospheric aerosols from central Alaska: Molecular distributions, seasonality and source indices , 2018, Atmospheric Environment.

[35]  Li Liu,et al.  Petrographic and stable isotopic evidences of CO2-induced alterations in sandstones in the Lishui sag, East China Sea Basin, China , 2018 .

[36]  Y. Zong,et al.  The environmental conditions of MIS5 in the northern South China Sea, revealed by n-alkanes indices and alkenones from a 39 m-long sediment sequence , 2017, Quaternary International.

[37]  Wenjun He,et al.  Geochemistry and depositional environment of fresh lacustrine source rock: A case study from the Triassic Baijiantan Formation shales in Junggar Basin, northwest China , 2017 .

[38]  P. Peng,et al.  A comparative study of free and bound bitumens from different mature source rocks with Type III kerogens , 2017 .

[39]  W. Abdullah,et al.  Geochemical characterization of the Jurassic Amran deposits from Sharab area (SW Yemen): Origin of organic matter, paleoenvironmental and paleoclimate conditions during deposition , 2017 .

[40]  M. Hren,et al.  Soil n-alkane δD and glycerol dialkyl glycerol tetraether (GDGT) distributions along an altitudinal transect from southwest China: Evaluating organic molecular proxies for paleoclimate and paleoelevation , 2017 .

[41]  K. A. Mustapha,et al.  Source rock characteristics, depositional setting and hydrocarbon generation potential of Cretaceous coals and organic rich mudstones from Gombe Formation, Gongola Sub-basin, Northern Benue Trough, NE Nigeria , 2017 .

[42]  K. A. Mustapha,et al.  Organic geochemical and petrographic characteristics of the oil shales in the Lajjun area, Central Jordan: Origin of organic matter input and preservation conditions , 2016 .

[43]  Wenhao Li,et al.  The effect of river-delta system on the formation of the source rocks in the Baiyun Sag, Pearl River Mouth Basin , 2016 .

[44]  M. Hakimi,et al.  Petroleum source rock characterisation and hydrocarbon generation modeling of the Cretaceous sediments in the Jiza sub-basin, eastern Yemen , 2016 .

[45]  M. Escobar,et al.  Source-rock potential of the lowest coal seams of the Marcelina Formation at the Paso Diablo mine in the Venezuelan Guasare Basin: Evidence for the correlation of Amana oils with these Paleocene coals , 2016 .

[46]  A. Nemr,et al.  Distribution and sources of n-alkanes and polycyclic aromatic hydrocarbons in shellfish of the Egyptian Red Sea coast , 2016 .

[47]  P. Hackley,et al.  Organic petrology and geochemistry of Eocene Suzak bituminous marl, north-central Afghanistan: Depositional environment and source rock potential , 2016 .

[48]  J. Xiaodian,et al.  Geochemistry of the Paleocene Clastic Rocks in Lishui Sag, East China Sea Shelf Basin: Implications for Tectonic Background and Provenance , 2016 .

[49]  W. Abdullah,et al.  Geochemical characterisation and organic matter enrichment of Upper Cretaceous Gongila shales from Chad (Bornu) Basin, northeastern Nigeria: Bioproductivity versus anoxia conditions , 2015 .

[50]  Shiqiang Wu,et al.  The formation environment and developmental models of argillaceous dolomite in the Xingouzui Formation, the Jianghan Basin , 2015 .

[51]  Haiping Huang,et al.  Application of the monoterpane ratio (MTR) to distinguish marine oils from terrigenous oils and infer depositional environment in northern Tarim Basin, China , 2015 .

[52]  A. Schimmelmann,et al.  Organic matter geochemistry and petrography of Late Cretaceous (Cenomanian-Turonian) organic-rich shales from the Belle Fourche and Second White Specks formations, west-central Alberta, Canada , 2015 .

[53]  X. Fu,et al.  Geochemical characteristics, redox conditions, and organic matter accumulation of marine oil shale from the Changliang Mountain area, northern Tibet, China , 2015 .

[54]  Jinliang Zhang,et al.  Paleocene sequence stratigraphy and depositional systems in the Lishui Sag, East China Sea Shelf Basin , 2015 .

[55]  Yunfei Zhang,et al.  The Cenozoic structural evolution and its influences on gas accumulation in the Lishui Sag, East China Sea Shelf Basin , 2015 .

[56]  Changchun Huang,et al.  Characterization of n-alkanes and their carbon isotopic composition in sediments from a small catchment of the Dianchi watershed. , 2015, Chemosphere.

[57]  Honghan Chen,et al.  Genesis, source and charging of oil and gas in Lishui sag, East China Sea Basin , 2014 .

[58]  O. Ekundayo,et al.  Biomarkers, carbon isotopic composition and source rock potentials of Awgu coals, middle Benue trough, Nigeria , 2012 .

[59]  S. Strobl,et al.  Palaeoenvironmental conditions during deposition of the Upper Cretaceous oil shale sequences in the Songliao Basin (NE China): Implications from geochemical analysis , 2012 .

[60]  J. B. Maynard,et al.  Spatial variation in sediment fluxes, redox conditions, and productivity in the Permian–Triassic Panthalassic Ocean , 2011 .

[61]  Jianfang Hu,et al.  Distribution and sources of organic carbon, nitrogen and their isotopes in sediments of the subtropical Pearl River estuary and adjacent shelf, Southern China , 2006 .

[62]  S. M. Rimmer,et al.  Multiple controls on the preservation of organic matter in Devonian¿Mississippian marine black shales: geochemical and petrographic evidence , 2004 .

[63]  T. Lyons,et al.  A tale of shales: the relative roles of production, decomposition, and dilution in the accumulation of organic-rich strata, Middle–Upper Devonian, Appalachian basin , 2003 .

[64]  Jianping Chen,et al.  Geochemical evidence for mudstone as the possible major oil source rock in the Jurassic Turpan Basin, Northwest China , 2001 .

[65]  W. Abdullah.  Organic facies variations in the Triassic shallow marine and deep marine shales of central Spitsbergen, Svalbard , 1999 .

[66]  J. Rullkötter,et al.  Origin and transformation of organic matter in Pliocene–Pleistocene Mediterranean sapropels: organic geochemical evidence reviewed , 1999 .

[67]  M. Patzkowsky,et al.  Molecular indicators of redox and marine photoautotroph composition in the late Middle Ordovician of Iowa, U.S.A. , 1998 .

[68]  K. Grice,et al.  Molecular isotopic characterisation of hydrocarbon biomarkers in Palaeocene-Eocene evaporitic, lacustrine source rocks from the Jianghan Basin, China , 1998 .

[69]  W. Dean,et al.  Organic‐matter production and preservation and evolution of anoxia in the Holocene Black Sea , 1998 .

[70]  M. Altunsoy,et al.  Organic facies characteristics of the Sivas Tertiary Basin (Turkey) , 1998 .

[71]  S. Inan,et al.  Expulsion of oil from petroleum source rocks: inferences from pyrolysis of samples of unconventional grain size , 1998 .

[72]  L. Cota,et al.  Petroleum potential of the Adriatic offshore, Croatia , 1998 .

[73]  F. Goodarzi,et al.  Comparison of source rock geochemistry of selected rocks from the Schei Point group and Ringnes formation, Sverdrup basin, arctic Canada , 1997 .

[74]  C. Schubert,et al.  Deposition of organic carbon in Arctic Ocean sediments: terrigenous supply vs marine productivity , 1996 .

[75]  J. Hayes,et al.  Evidence for gammacerane as an indicator of water column stratification. , 1995, Geochimica et cosmochimica acta.

[76]  J. Disnar,et al.  Primary control of paleoproduction on organic matter preservation and accumulation in the Kimmeridge rocks of Yorkshire (UK) , 1994 .

[77]  J. Disnar,et al.  Biological origin of tetracyclic diterpanes, n-alkanes and other biomarkers found in lower carboniferous Gondwana coals (Niger) , 1994 .

[78]  G. Demaison.  Anoxia vs. Productivity: What Controls the Formation of Organic-Carbon-Rich Sediments and Sedimentary Rocks?: Discussion , 1991 .

[79]  Kenneth E. Peters,et al.  Guidelines for Evaluating Petroleum Source Rock Using Programmed Pyrolysis , 1986 .

[80]  B. Simoneit,et al.  Organic geochemical indicators of palaeoenvironmental conditions of sedimentation , 1978 .