Geofluids / 2019 / Article / Fig 9

Research Article

Geochemistry and Genesis of Oil and Gas Seeps in the Junggar Basin, NW China: Implications for Hybrid Petroleum Systems

Figure 9

Plots of selected molecular geochemical parameters for oil-seep, crude-oil, and source-rock samples from the middle segment of the southern Junggar Basin. (a) δ13C (in ‰ relative to the VPDB standard) vs. Dia/Reg; (b) Pr/Ph vs. G/C30H; (c) C19T/C20T vs. C24Te/C26T; (d) C20T/C21T vs. C21T/C23T; (e) Ts/Tm vs. Tm/C30H; (f) C29H/C30H vs. C35S/C34S; (g) C27/C28ααα20R vs. C28/C29ααα20R; (h) C29ααα20S/(20R+20S) vs. C29αββ/(αββ+ααα). See Figure 5 for the abbreviations. Data from Table 2.
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