Fig. 4 | Scientific Reports

Fig. 4

From: Geochemical characteristic of different-lithofacies source rocks and its implications for ultradeep hydrocarbon exploration in the lower cambrian Yuertus formation, Tarim basin

Fig. 4The alternative text for this image may have been generated using AI.

Distribution characteristics of parameters of stable biomarkers in representative well sections or sections in Tarim Basin(Data sources: Chen et al.35). (a) TDSI = triaromatic dinoflagellate steroids/(triaromatic dinoflagellate steroids + 3-methyl-24-ethyl-triaromatic steroids); (b) C26 20 S/C28 20 S TAS = C26 20 S triaromatic steroids/C28 20 S triaromatic steroids; (c) (C26R + C27S)/C28S TAS= (C26 20R + C27 20 S) triaromatic steroids/C28 20 S triaromatic steroids; (d) C27/C28 20R TAS = C27 triaromatic steroids/C28 20R triaromatic steroids; (e) ATMBs: 1-alkyl-2,3,6-trimethylbenzenes.

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