(Table 2) Compilation of biomarker data (hydrocarbon and fatty acid fractions) from the Miocene seep carbonates from the Astoria Formation@en

SRB, sulphate-reducing bacteria. d13C values are annotated vs. V-PDB. Note that some of the phytane and phytanic acid may derive from algae and plants (chlorophyll).硫酸盐还原菌（sulphate-reducing bacteria, SRB）。其δ¹³C值均相对于V-PDB进行标注。需注意，部分植烷与植烷酸可能源自藻类与植物（叶绿素）。