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Fig. 5 | Swiss Journal of Geosciences

Fig. 5

From: Origins of hydrocarbons in the Geneva Basin: insights from oil, gas and source rock organic geochemistry

Fig. 5

source-rock maturity of the Lower Jurassic and Carboniferous units. Only samples with TOC > 0.5% are plotted in this graph. The blue shaded area encompasses available data for the Lower Jurassic Posidonia shales in the northwestern Swiss Molasse Basin (Todorov et al. 1993; Fantasia et al. 2019)

Hydrogen Index (HI) vs. Tmax crossplot outlining the kerogen types and

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