Research Article

Simulating the Evolution of Fluid Underpressures in the Great Plains, by Incorporation of Tectonic Uplift and Tilting, with a Groundwater Flow Model

Table 4

Percent and cumulative percent of total uplift, relative to 27 Ma, for the 9 MODFLOW model times.

Geologic timeCumulative percent of total uplift at mountain front (assumed constant for all ) (CpTU)Percent of total uplift (PTU)

27 Ma0
13.125
18 Ma13.125
13.125
11 Ma26.250
11.250
7 Ma37.500
15.625
4.5 Ma53.125
15.625
3.5 Ma68.750
9.375
3 Ma78.125
12.500
2 Ma90.625
9.375
0100