Organic petrology and geochemistry evaluation of upper Permian source rocks in the Lower Yangtze Area.

Sci Rep · 2025 · PMC12259868 · PMID 40659824

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a decreasing trendno p-value reported

Similarly, pentacyclic triterpanes are dominated by C 30 hopane, also displaying a normal distribution, while the C 31 –C 35 homohopane series exhibits a decreasing trend with increasing carbon numbers.

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