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AAPG Bulletin

Figure

AAPG Bulletin; Year: 2023; Issue: October
DOI: 10.1306/06272323003

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Figure 8. Concentrations of ethyladamantane isomers 1-ethyladamantane (1-EA), 1-ethyl-3-methyladamantane (1-E-3-MA), 1-ethyl-3,5-dimethyladamantane (1-E-3,5-DMA), and 1-ethyl-3,5,7-trimethyladamantane (1-E-3,5,7-TMA) shown versus thermal maturity for all fluids. Solid black lines represent linear fits to all data (excluding the outlier sample from the Middle East [ME]-2 group in green), with 95% confidence intervals of the fits in gray shading. EU = Europe; NA = North America; Radj2 = adjusted coefficient of determination; SA = South America; VRE = vitrinite reflectance equivalent.

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