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AAPG Bulletin


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).

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