− | petroleum-systems_fig3-16.png|{{figure number|5}}(left) Biological marker analysis. From Seifert et al.<ref name=Seifertetal_1980>Seifert, W. K., J. M. Moldowan, and R. W. Jones, 1980, Application of biological marker chemistry to petroleum exploration: Proceedings of the 10th World Petroleum Congress, Bucharest, p. 425-440</ref> Courtesy World Petroleum Conference. (right) Carbon isotopic composition comparisons. From Sedivy et al.<ref name=ch03r9>Sedivy, R. A., I. E. Penfield, H. I. Halpern, R. J. Drozd, G. A. Cole, and R. Burwood, 1987, Investigation of source rock–crude oil relationships in the northern Alaska hydrocarbon habitat, in Tailleur, I., Weimer, P., eds., Alaskan North Slope Geology: Pacific Section SEPM Book 50, p. 169–179.</ref> Courtesy Pacific Section of SEPM. | + | petroleum-systems_fig3-16.png|{{figure number|5}}(left) Biological marker analysis. From Seifert et al.<ref name=Seifertetal_1980>Seifert, W. K., J. M. Moldowan, and R. W. Jones, 1980, Application of biological marker chemistry to petroleum exploration: Proceedings of the 10th World Petroleum Congress, Bucharest, p. 425-440</ref> Courtesy World Petroleum Conference. (right) Carbon isotopic composition comparisons. From Sedivy et al.<ref name=ch03r9>Sedivy, R. A., I. E. Penfield, H. I. Halpern, R. J. Drozd, G. A. Cole, and R. Burwood, 1987, Investigation of source rock–crude oil relationships in the northern Alaska hydrocarbon habitat, in I. Tailleur, and P. Weimer, eds., Alaskan North Slope Geology: Pacific Section SEPM Book 50, p. 169–179.</ref> Courtesy Pacific Section of SEPM. |