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AAPG Bulletin
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AAPG Bulletin; Year: 2021; Issue: March DOI: 10.1306/08192019077
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Figure 4. Discriminant plot of pristane (Pr)/n-C17 and phytane (Ph)/n-C18. Average Berea and Ohio Shale–reservoired (n = 23) and lower Paleozoic–reservoired (n = 36) oil from eastern (E.) Ohio based on data from GeoMark (2015). Organic source fields and process directions after Shanmugam (1985). Modified from Parris et al. (2019) with permission of Kentucky Geological Survey.
Figure 4. Discriminant plot of pristane (Pr)/n-C17 and phytane (Ph)/n-C18. Average Berea and Ohio Shale–reservoired (n = 23) and lower Paleozoic–reservoired (n = 36) oil from eastern (E.) Ohio based on data from GeoMark (2015). Organic source fields and process directions after Shanmugam (1985). Modified from Parris et al. (2019) with permission of Kentucky Geological Survey.