Distribution and geochemical significance of phenylphenanthrenes and their isomers in selected oils and rock extracts from the Tarim Basin, NW China

作者: Shao-Ying Huang , Mei-Jun Li , Ke Zhang , T.-G. Wang , Zhong-Yao Xiao

DOI: 10.1007/S12182-016-0095-4

关键词:

摘要: Twenty-two oil samples and eight source rock collected from the Tarim Basin, NW China were geochemically analyzed to investigate occurrence distribution of phenylphenanthrene (PhP), phenylanthracene (PhA), binaphthyl (BiN) isomers methylphenanthrene (MP) in oils extracts with different depositional environments. Phenylphenanthrenes are present significant abundance Mesozoic lacustrine mudstones related oils. The relative concentrations PhPs quite low or below detection limit by routine gas chromatography–mass spectrometry (GC–MS) Ordovician derived marine carbonates. ratio 3-PhP/3-MP was used this study describe phenylphenanthrenes their alkylated counterparts—methylphenanthrenes. Tabei Uplift have ratios ( 0.10), associating high Pr/Ph, ADBT/ADBF, Ts/(Ts + Tm), C30 diahopane/C30 hopane ratios. Therefore, amounts typically indicates that organic matter rocks deposited a suboxic environment mudstone deposition. may be effective molecular markers, indicating lithology rocks.

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