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Biomarkers, carbon isotopic composition and source rock potentials of Awgu coals, middle Benue trough, Nigeria

文献类型：期刊论文

作者Adedosu, Taofik A.1; Sonibare, Oluwadayo O.2; Tuo, Jincai3; Ekundayo, Olusegun2
刊名JOURNAL OF AFRICAN EARTH SCIENCES
出版日期2012-05-15
卷号66-67页码:13-21
关键词Hydrocarbon generation Source rock Biomarkers Coal Thermal maturity
ISSN号1464-343X
DOI10.1016/j.jafrearsci.2012.03.006
文献子类Article
英文摘要Coal and carbonaceous shale samples were collected from two boreholes (BH 94 and BH 120) in Awgu formation of Middle Benue Trough, Nigeria. Source rock potentials of the samples were studied using biomarkers and carbon isotopic composition. Biomarkers in the aliphatic fractions in the samples were studied using Gas Chromatography-Mass Spectrometry (GC-MS). The Carbon isotope analysis of individual n-alkanes in the aliphatic fraction was performed using Gas Chromatography-Combustion-Isotope Ratio Mass Spectrometer (GC-IRMS). The abundance of hopanes, homohopanes (C-31-C-35), and C-29 steranes in the samples indicate terrestrial plant, phytoplankton and cyanobacteria contributions to the organic matter that formed the coal. High (Pr/Ph) ratio (3.04-11.07) and isotopic distribution of individual alkanes showed that the samples consisted of mixed terrestrial/marine organic matter deposited under oxic condition in lacustrine-fluvial/deltaic depositional environment. The maturity parameters derived from biomarker distributions showed that the samples are in the main phase of oil window. (c) 2012 Elsevier Ltd. All rights reserved.
WOS关键词CRUDE OILS ; PALEOENVIRONMENTAL RECONSTRUCTION ; GEOCHEMICAL INDICATORS ; ORGANIC GEOCHEMISTRY ; TERTIARY OILS ; PARIS BASIN ; SEDIMENTS ; DISTRIBUTIONS ; PETROLEUM ; MATURITY
WOS研究方向Geology
语种英语
WOS记录号WOS:000304514100002
出版者PERGAMON-ELSEVIER SCIENCE LTD
资助机构Third World Academy of Science (TWAS) ; Third World Academy of Science (TWAS) ; Chinese Academy of Science (CAS) ; Chinese Academy of Science (CAS) ; Management of Ladoke Akintola University of Technology Ogbomoso, Nigeria ; Management of Ladoke Akintola University of Technology Ogbomoso, Nigeria ; Third World Academy of Science (TWAS) ; Third World Academy of Science (TWAS) ; Chinese Academy of Science (CAS) ; Chinese Academy of Science (CAS) ; Management of Ladoke Akintola University of Technology Ogbomoso, Nigeria ; Management of Ladoke Akintola University of Technology Ogbomoso, Nigeria ; Third World Academy of Science (TWAS) ; Third World Academy of Science (TWAS) ; Chinese Academy of Science (CAS) ; Chinese Academy of Science (CAS) ; Management of Ladoke Akintola University of Technology Ogbomoso, Nigeria ; Management of Ladoke Akintola University of Technology Ogbomoso, Nigeria ; Third World Academy of Science (TWAS) ; Third World Academy of Science (TWAS) ; Chinese Academy of Science (CAS) ; Chinese Academy of Science (CAS) ; Management of Ladoke Akintola University of Technology Ogbomoso, Nigeria ; Management of Ladoke Akintola University of Technology Ogbomoso, Nigeria
源URL[http://ir.iggcas.ac.cn/handle/132A11/84354]  
专题中国科学院地质与地球物理研究所
通讯作者Adedosu, Taofik A.
作者单位1.Ladoke Akintola Univ Technol, Dept Chem, Ogbomosho, Nigeria
2.Univ Ibadan, Dept Chem, Petr & Environm Geochem Res Grp, Ibadan, Nigeria
3.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Petr Resources Res, Lanzhou 730000, Gansu, Peoples R China
推荐引用方式
GB/T 7714		 Adedosu, Taofik A.,Sonibare, Oluwadayo O.,Tuo, Jincai,et al. Biomarkers, carbon isotopic composition and source rock potentials of Awgu coals, middle Benue trough, Nigeria[J]. JOURNAL OF AFRICAN EARTH SCIENCES,2012,66-67:13-21.
APA Adedosu, Taofik A.,Sonibare, Oluwadayo O.,Tuo, Jincai,&Ekundayo, Olusegun.(2012).Biomarkers, carbon isotopic composition and source rock potentials of Awgu coals, middle Benue trough, Nigeria.JOURNAL OF AFRICAN EARTH SCIENCES,66-67,13-21.
MLA Adedosu, Taofik A.,et al."Biomarkers, carbon isotopic composition and source rock potentials of Awgu coals, middle Benue trough, Nigeria".JOURNAL OF AFRICAN EARTH SCIENCES 66-67(2012):13-21.

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来源：地质与地球物理研究所

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