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| 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 |
ͨ�������ӹ���ش��������϶���ҳ�Ҹ��Ҹ����졢�Ƚ⡢GC ��GC-MS �ȷ������������л�����ѧ�����������������о����������ӹ���ҳ���л��ػ���������������塣������ֲ�ȼ�٤�����顢�����顢�������顢������Ȳ��������������Ʋ���ҳ���γɵĹź���ˮ������Ϊ��ˮ--��ˮ�Ļ�ԭ�����������ۺϷ�������־�����Ƚ���������( C27--C29 ) �ֲ��Ȳ�������Ϊ�о�����ҳ���л�����ҪΪ���ĸԴ���롣�����Ƚ⡢Ro�������C31 �����칹���̶ȡ�C29 Ī��/C29 �顢 Ts ��Tm ��Ժ�����ֵ��ָ��ĶԱȣ�ָ���о�����ҳ�Ҵ���δ�죭 �������ݻ��Ρ�
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��