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AAPG Bulletin
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AAPG Bulletin; Year: 2020; Issue: June DOI: 10.1306/0122201618217407
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Figure 4. Crossplot of pristane (Pr)/n-heptadecane (n-C17) against phytane (Ph)/n-octadecane (n-C18) ratios of oil samples from the different Niger Delta areas showing the source kerogen type and depositional environment. Interpretation overlay from Integrated Geochemical Interpretation 3.5 software (modified after Shanmugam, 1985).
Figure 4. Crossplot of pristane (Pr)/n-heptadecane (n-C17) against phytane (Ph)/n-octadecane (n-C18) ratios of oil samples from the different Niger Delta areas showing the source kerogen type and depositional environment. Interpretation overlay from Integrated Geochemical Interpretation 3.5 software (modified after Shanmugam, 1985).