Figure 12. Cross-plot of C27/ (C27+ C29) regular steranes versus Pr/Ph ratios showing paleodepositional conditions and source origin of the organic matter extracts of the studied sediments

From

Biomarker Geochemical Evaluation of Organic Rich Shales in Mamfe Basin, Cameroon

Edwin Ayuk Ndip, Christopher M. Agyingi, Matthew E. Nton, Michael A. Oladunjoye

Journal of Geosciences and Geomatics. 2021, 9(1), 28-44 doi:10.12691/jgg-9-1-4