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Petroleum System Events Chart Timing of Elements and Processes. 400. 300. 200. 100. Geologic Time Scale. Paleozoic. Mesozoic. Cenozoic. Petroleum System Events. J. K. P. N. D. M. P. P. T. R. Rock Units. Source Rock. Reservoir Rock. Elements. Seal Rock. Overburden Rock.
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Petroleum System Events Chart Timing of Elements and Processes 400 300 200 100 Geologic Time Scale Paleozoic Mesozoic Cenozoic Petroleum System Events J K P N D M P P T R Rock Units Source Rock Reservoir Rock Elements Seal Rock Overburden Rock Trap Formation Processes Gen/Migration/Accum Preservation Critical Moment Critical Moment Magoon and Dow, 1994 Time of Expulsion and Migration. (Trap must already exist)