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Biomarkers and C and S Isotopes of the Permian to Triassic Solid Bitumen and Its Potential Source Rocks in NE Sichuan Basin

文献类型：期刊论文

作者Cai, Chunfang1,2,3; Xu, Chenlu2; He, Wenxiang1; Zhang, Chunming1; Li, Hongxia2
刊名GEOFLUIDS
出版日期2017
ISSN号1468-8115
DOI10.1155/2017/5783137
文献子类Article
英文摘要The potential parent source rocks except from Upper Permian Dalong Formation (P(3)d) for Upper Permian and Lower Triassic solid bitumen show high maturity to overmaturity with equivalent vitrinite reflectance (ERo) from 1.7% to 3.1% but have extractable organic matter likely not contaminated by younger source rocks. P(3)d source rocks were deposited under euxinic environments as indicated by the pyrite delta S-34 values as light as -34.5% and distribution of aryl isoprenoids, which were also detected fromthe Lower Silurian (S(1)l) source rock and the solid bitumen in the gas fields in the west not in the east. All the solid bitumen not altered by thermochemical sulfate reduction (TSR) has delta C-13 and delta S-34 values similar to part of the P(3)l kerogens and within the S(1)l kerogens. Thus, the eastern solid bitumen may have been derived from the P(3)l kerogens, and the western solid bitumen was likely to have precracking oils from P(3)l kerogens mixed with the S(1)l or P(3)d kerogens. This case-study tentatively shows that delta C-13 and delta S-34 values along with biomarkers have the potential to be used for the purpose of solid bitumen and source rock correlation in a rapidly buried basin, although further work should be done to confirm it.
WOS关键词THERMOCHEMICAL SULFATE REDUCTION ; TARIM BASIN ; NW CHINA ; ARYL ISOPRENOIDS ; FEIXIANGUAN FORMATION ; INORGANIC SULFUR ; SOUTHWEST CHINA ; NATURAL-GAS ; ZONE ANOXIA ; CRUDE OILS
WOS研究方向Geochemistry & Geophysics ; Geology
语种英语
WOS记录号WOS:000408481900001
出版者WILEY-HINDAWI
资助机构China National Funds for Distinguished Young Scientists(41125009) ; NSFC(41672143) ; China National Funds for Distinguished Young Scientists(41125009) ; NSFC(41672143) ; China National Funds for Distinguished Young Scientists(41125009) ; NSFC(41672143) ; China National Funds for Distinguished Young Scientists(41125009) ; NSFC(41672143)
源URL[http://ir.iggcas.ac.cn/handle/132A11/61872]  
专题地质与地球物理研究所_中国科学院油气资源研究重点实验室
通讯作者Cai, Chunfang
作者单位1.Yangtze Univ, Minist Educ, Key Lab Explorat Technol Oil & Gas Resources, Wuhan 430100, Hubei, Peoples R China
2.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Petr Resources Res, Beijing 100029, Peoples R China
3.Univ Chinese Acad Sci, Coll Earth Sci, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714		 Cai, Chunfang,Xu, Chenlu,He, Wenxiang,et al. Biomarkers and C and S Isotopes of the Permian to Triassic Solid Bitumen and Its Potential Source Rocks in NE Sichuan Basin[J]. GEOFLUIDS,2017.
APA Cai, Chunfang,Xu, Chenlu,He, Wenxiang,Zhang, Chunming,&Li, Hongxia.(2017).Biomarkers and C and S Isotopes of the Permian to Triassic Solid Bitumen and Its Potential Source Rocks in NE Sichuan Basin.GEOFLUIDS.
MLA Cai, Chunfang,et al."Biomarkers and C and S Isotopes of the Permian to Triassic Solid Bitumen and Its Potential Source Rocks in NE Sichuan Basin".GEOFLUIDS (2017).

入库方式： OAI收割

来源：地质与地球物理研究所

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