Abstract
Analyses of the original and pyrolytic products of coccolithophore at various temperatures suggest that the contribution of coccolithophore to the formation of large immature oil reservoirs should attract keen interest. Through biochemical processes algae can change inorganic sulphur into organic sulphur, which could be one of the most important precursors of organic sulphur compounds in oil and source rocks. When Methylphenanthrene Index (MPI) and Methylphenanthrene Ratio (MPR) indices were used to evaluate the evolution degree of source rocks and oil maturity, other maturity indices must be used together for correction. In low maturity, the relative abundances of dibenzothiophene (DBT), fluorine (F) and dibenzofuran (DBF) can be used to identify the oxidation-reduction environments.
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Zhou, W., Wu, Q., Wang, R. et al. Distribution of aromatic biomarkers in pyrolysates of coccolithophore. Chin.Sci.Bull. 46, 246–252 (2001). https://doi.org/10.1007/BF03187179
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DOI: https://doi.org/10.1007/BF03187179