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| Keywords | |
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Luozigou Basin |
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Dalazi Formation |
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oil shale |
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organic geochemistry |
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geological significance |
| Authors | |
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LIU Dong-Qing-1 |
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LIU Rong-1 |
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2 |
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LIU Zhao-Jun-1 |
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2 |
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HU Xiao-Feng-1 |
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SUN Ping-Chang-1 |
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YANG Xiao-Hong-1 |
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XU Yin-Bo-1 |
| PubMed | |
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Article by Liu, D. Q. 1 |
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Article by Liu, R. 1 |
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Article by 2 |
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Article by Liu, Z. J. 1 |
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Article by 2 |
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Article by Hu, X. F. 1 |
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Article by Sun, P. C. 1 |
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Article by Yang, X. H. 1 |
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Article by Xu, Y. B. 1 |
Organic geochemical characteristics and geological significance of oil shales in Dalazi Formation of Luozigou Basin
LIU Dong-Qing-1, LIU Rong-1, 2, LIU Zhao-Jun-1, 2, HU Xiao-Feng-1, SUN Ping-Chang-1, YANG Xiao-Hong-1, XU Yin-Bo-1
1. College of Earth Sciences��Jilin University��Changchun 130061��China; 2. Key-Lab for Evolution of Past Life and Environment in Northeast Asia��Ministry of Education��Changchun 130026��China
The authors studied the organic geochemical parameters of oil shales from upper Dalazi Formation of Luozigou Basin by kerogen microscopy��rock-pyrolysis��GC and GC-MS analysis��and discussed the organic geochemical characteristics and geological significance of oil shales in Luozigou Basin�� Oil shales were formed under sedimentary environment of fresh-slight saline water reduction��based on the analysis of some patameters including Pr /Ph ratio��gammacerane��pregnane��diasterane and diahopane�� Comprehensive analysis of maceral microscopy�� rock-pyrolysis and sterans ( C27--C29 ) distribution showed that the oil shales organic matters were mixed source input in the studied area�� Rock-pyrolysis��Ro��isomerized degree of sterane and C31 homoterpane��C29 morpane /C29 hopane��and Ts /Tm showed that the oil shales were immature to low mature in their evolutionary stage��