| Occurrence of Highly Mature Organic Matter in Marine Black Shale Petroleum Source Rocks of Basal Cambrian from Northern Tarim Basin, China |
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| 引用本文： | 于炳松,Hailiang Dong,陈建强,陈晓林,梁世友. Occurrence of Highly Mature Organic Matter in Marine Black Shale Petroleum Source Rocks of Basal Cambrian from Northern Tarim Basin, China[J]. 中国地球化学学报, 2004, 23(2): 148-154. DOI: 10.1007/BF02868978 |
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| 作者姓名： | 于炳松 Hailiang Dong 陈建强 陈晓林 梁世友 |
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| 作者单位： | [1]TheKeyLaboratoryofLithosphereTectonicsandExplorationoftheMinistryofEducation,ChinaUniversityofGeosciences,Beijing100083,China [2]DepartmentofGeology,MiamiUniversity,Oxford,OH45056,USA |
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| 基金项目： | 国家自然科学基金，科技部资助项目，Special Foundation for Doctor Subjects in China |
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| 摘 要： | More and more evidence indicates that organic matter (OM) in immature organicrich sediments and sedimentary rocks is chemically adsorbed onto the outer surfaces of minerals and into interlayer (inner) surfaces of smectitic clay minerals in the form of amorphous molecular-scale carbon. But there have been few reports about the occurrence of highly mature OM in marine black shales ( petroleum source rocks ). The occurrence of highly mature OM in the black shales of basal Cambrian from northern Tarim Basin is studied in this paper. Based on the comprehensive analyses of total organic carbon contents (TOC) , maximum thermolysis tempera tures ( Tmax ) of OM, mineral surface areas (MSA) ,and scanning electronic microscopic (SEM) and transmission electronic microscopic (TEM) observations of the black shales, it is concluded that the highly mature OM in the marine black shales of the basal Cambrian from northern Tarim Basin occurs in particulates ranging in size from 1 to 5 μm in diameter. Through the contrast of the occurrence of the highly mature OM in the black shales with that of the immature ones in modern marine continental margin sediments, some scientific problems are proposed, which are worth to study further in detail.
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| 关 键 词： | 寒武纪 地层学 塔里木盆地 沉积学 岩石学 |
| 收稿时间： | 2009-02-12 |
Occurrence of highly mature organic matter in marine black shale petroleum source rocks of basal cambrian from northern tarim basin,China |
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| Yu Bingsong,Hailiang Dong,Chen Jianqiang,Chen Xiaolin,Liang Shiyou. Occurrence of highly mature organic matter in marine black shale petroleum source rocks of basal cambrian from northern tarim basin,China[J]. Chinese Journal of Geochemistry, 2004, 23(2): 148-154. DOI: 10.1007/BF02868978 |
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| Authors: | Yu Bingsong Hailiang Dong Chen Jianqiang Chen Xiaolin Liang Shiyou |
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| Affiliation: | (1) The Key Laboratory of Lithosphere Tectonics and Exploration of the Ministry of Education, China University of Geosciences, 100083 Beijing, China;(2) Department of Geology, Miami University, 45056 Oxford, OH, USA |
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| Abstract: | More and more evidence indicates that organic matter (OM) in immature organic-rich sediments and sedimentary rocks is chemically adsorbed onto the outer surfaces of minerals and into interlayer (inner) surfaces of smectitic clay minerals in the form of amorphous molecular-scale carbon. But there have been few reports about the occurrence of highly mature OM in marine black shales (petroleum source rocks). The occurrence of highly mature OM in the black shales of basal Cambrian from northern Tarim Basin is studied in this paper. Based on the comprehensive analyses of total organic carbon contents (TOC), maximum thermolysis temperatures (T max ) of OM, mineral surface areas (MSA), and scanning electronic microscopic (SEM) and transmission electronic microscopic (TEM) observations of the black shales, it is concluded that the highly mature OM in the marine black shales of the basal Cambrian from northern Tarim Basin occurs in particulates ranging in size from 1 to 5 μm in diameter. Through the contrast of the occurrence of the highly mature OM in the black shales with that of the immature ones in modern marine continental margin sediments, some scientific problems are proposed, which are worth to study further in detail. |
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| Keywords: | marine black shale petroleum source rock occurrence of highly mature organic matter Tarim Basin |
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