| 柴达木盆地涩北1井钙质泥岩饱和烃微生物作用的地球化学意义 |
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| 引用本文： | 孙敏卓,孟仟祥,房嬛,王国仓,黄湘波,王作栋,徐茵.柴达木盆地涩北1井钙质泥岩饱和烃微生物作用的地球化学意义[J].沉积学报,2009,27(1):186-190. |
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| 作者姓名： | 孙敏卓 孟仟祥 房嬛 王国仓 黄湘波 王作栋 徐茵 |
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| 作者单位： | 中国科学院地质与地球物理研究所气体地球化学重点实验室 兰州 730000 |
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| 基金项目： | 国家重点基础研究发展规划(973计划) |
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| 摘 要： | 用能谱和GC/MSD对两块来自涩北1井（900 m和1 200 m）钙质泥岩的研究表明，研究样品中细菌遗骸骨特征明显并检测出微生物特征生标（角鲨烷和2,6,10,15,19 五甲基 二十烷）,表明涩北1井研究层沉积岩中微生物发育；微生物的降解作用明显改变了常规生物标志物的分布特征:低演化源岩的正构烷烃首先遭降解，出现OEP2>>OEP1特征、甾烷异构化参数C29ββ/(ββ+αα)和Σ8,14 断藿烷/Σ藿烷比值比正常热演化样品出现异常高值。这些参数可能作为判识低演化沉积有机质是否曾遭受微生物降解，同时可间接判识是否有生物气产生的有力依据。
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| 关 键 词： | 柴达木盆地 饱和烃 细菌微生物 生物标志化合物 |
| 收稿时间： | 1900-01-01 |
Geochemical Significance of the Microbial Function of Saturation Hydrocarbon of Calcilutites from the Sebei Well 1 of Qaidam Basin |
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| SUN Min-zhuo,MENG Qian-xiang,FANG Xuan,WANG Guo-cang,HUANG Xiang-bo,Wang Zuo-dong,XU Yin.Geochemical Significance of the Microbial Function of Saturation Hydrocarbon of Calcilutites from the Sebei Well 1 of Qaidam Basin[J].Acta Sedimentologica Sinica,2009,27(1):186-190. |
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| Authors: | SUN Min-zhuo MENG Qian-xiang FANG Xuan WANG Guo-cang HUANG Xiang-bo Wang Zuo-dong XU Yin |
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| Institution: | 1.Key Laboratory of Gas Geochemistry;Chinese Academy of Sciences;Lanzhou 730000;2.Graduate University of Chinese Acadomy of Sciences;Beijing 100039;3.Tuha Petroleum Exploration and Development Corporation Natural-Gas Chemical Plant;Shanshan Xinjiang 838202 |
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| Abstract: | Investigation of the energy spectrum and GC/MSD for two pieces of calcilutites from the Sebei Well 1 in Caidamu Basin indicates that they are of obvious remaining bone of bacterium in these samples and there are the microbial characteristic biomarkers(aqualane and 2,6,10,15,19-pentanethyl-eicosane).For there are some bacterium-germs in the sedimentary rock of the Sebei well 1; The degradation of bacterium-germs has greatly changed the characteristic of distribution of the regular biomarkers: the alkane of t... |
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| Keywords: | Qaidam Basin saturation hydrocarbon bacterium-germs biomarkers |
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