Light Hydrocarbon Geochemistry of Oils in the Alpine Foreland Basin: Impact of Geothermal Fluids on the Petroleum System

Figure 7

Cross-plots of the sum of two ratios between cycloalkanes and aromatic hydrocarbons versus (a) chlorine (Cl⁻) content in reservoir waters, (b) stable hydrogen isotope ratios of reservoir waters, and (c) stable oxygen isotope ratios of reservoir waters. For sample location, see Figure 1(c).

(a)

(b)

(c)