Decompaction

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A burial history diagram requires that the present-day thickness of rock units be corrected to their original thickness before burial using a specific porosity-depth function for each lithologic unit. This involves sequential backstripping of each rock unit and restoration of the thickness of the immediately underlying unit before burial from the surface to basement until the entire sedimentary succession is restored to its original thickness.[1]


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References

  1. Peters, Kenneth E., David J. Curry, and Marek Kacewicz, 2012, An overview of basin and petroleum system modeling: Definitions and concepts, in Peters, Kenneth E., David J. Curry, and Marek Kacewicz, eds., Basin modeling: New horizons in research and applications: AAPG Hedberg Series no. 4, p. 1-16.