MENG Qian xiang, FANG Xuan, XU Yong chang, SHEN Ping. Biomarkers and Geochemical Significance of Carboniferous Source Rocks and Coals from Qaidam Basin[J]. Acta Sedimentologica Sinica, 2004, 22(4): 729-736.
| Citation:
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MENG Qian xiang, FANG Xuan, XU Yong chang, SHEN Ping. Biomarkers and Geochemical Significance of Carboniferous Source Rocks and Coals from Qaidam Basin[J]. Acta Sedimentologica Sinica, 2004, 22(4): 729-736.
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Biomarkers and Geochemical Significance of Carboniferous Source Rocks and Coals from Qaidam Basin
- Received Date: 2003-11-01
- Rev Recd Date:
2004-05-13
- Publish Date:
2004-12-10
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Abstract
On the basis of biomarkers in Carboniferous source rocks and coals from the northeastern portion of Qaidam basin, it can be seen that these samples have reached high maturation stage during their thermal evolution, and the organic sources are mainly from aquatic organisms combined with abundant terrigenous input. Apart from SH-79 coal sample formed in more oxidizing environment, most of samples in this study deposited in reducing environment with saline water with medium and high content of total organic matter. Thus, the Carboniferous paralic coal-bearing stratum is a set of excellent source rock measures with much better hydrocarbon generation potential than Jurassic source rocks.
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