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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 6. Representative partial mass-to-charge ratio 217 mass chromatograms showing the distributions of diasteranes and regular steranes in the oil samples from the various regions of the Niger Delta. Note the distribution of the C27-29ααα 20R steranes in the oil samples.
Figure 6. Representative partial mass-to-charge ratio 217 mass chromatograms showing the distributions of diasteranes and regular steranes in the oil samples from the various regions of the Niger Delta. Note the distribution of the C27-29ααα 20R steranes in the oil samples.