| 西藏阿翁错盆地古近系牛堡组烃源岩地球化学特征 |
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| 引用本文： | 周小琳,朱利东,杨文光,姜琳.西藏阿翁错盆地古近系牛堡组烃源岩地球化学特征[J].成都理工大学学报(自然科学版),2011(2):199-203. |
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| 作者姓名： | 周小琳 朱利东 杨文光 姜琳 |
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| 作者单位： | 成都理工大学沉积地质研究院;中国科学院地质与地球物理研究所 |
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| 基金项目： | 财政部国家油气专项和国家重点基础发展计划(973)联合资助项目 |
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| 摘 要： | 在西藏阿翁错盆地古近系牛堡组实测剖面的基础上,对烃源岩有机质丰度、有机质类型、有机质成熟度等方面进行研究,结果表明牛堡组烃源岩有机质丰度中等偏低,泥页岩和泥晶灰岩有机碳平均质量分数分别为0.26%和O.15%,泥页岩表现出较差烃源岩特征,泥晶灰岩则表现为中等烃源岩特征.泥页岩有机质类型以Ⅱ1型和Ⅱ2型为主,泥晶灰岩有机...
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| 关 键 词： | 西藏 阿翁错盆地 牛堡组 烃源岩 |
Features of hydrocarbon source rocks of Paleogene Niubao Group in Awengcuo basin,Tibet Plateau,China |
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| ZHOU Xiao-lin,ZHU Li-dong,YANG Wenguang,JIANG Lin.Features of hydrocarbon source rocks of Paleogene Niubao Group in Awengcuo basin,Tibet Plateau,China[J].Journal of Chengdu University of Technology: Sci & Technol Ed,2011(2):199-203. |
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| Authors: | ZHOU Xiao-lin ZHU Li-dong YANG Wenguang JIANG Lin |
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| Institution: | 1.Institute of sedimentary Geology,chengdu university of Technology,Chengdu 610059,China; 2.Institute of Geology and Geophysics,chinese Academy of sciences,Beijing 100029,China |
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| Abstract: | Based on the section of Paleogene Niubao Group in Awengcuo basin,the authors study on the organic matter abundance,organic matter type and organic matter maturity of the hydrocarbon source rocks.The result shows that the organic matter abundance of the hydrocarbon source rocks is below medium,and the average organic carbon contents of the clay shale and marlite are 0.26% and 0.15%,respectively.The clay shale demonstrates poor hydrocarbon source rock characteristics and its organic types areⅡ1-Ⅱ2.The marlite reaches the standard of moderate-good source rocks and its organic type is Ⅱ1.The organic matter maturity of the hydrocarbon source rocks from Paleogene Niubao Group is not high,almost in the stage of immaturity or low maturity.The whole assessment is that there are poor to medium source rocks in Niubao Group of Awengcuo basin. |
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| Keywords: | Tibet Awengcuo basin Niubao Group hydrocarbon source rocks |
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