Research Article

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

Figure 16

Grid of the fifth model of the sequence, having the geometry at 4.5 Ma, of maximum deposition, used to model the period from 7 to 4.5 Ma. The vertically expanded part of section from 200 to 600 km in the inset shows details of horizontal hydraulic conductivity structure.