Pore-Fluid Factor
Pore-Fluid Factor :
The ratio of fluid pressure to overburden pressure (λv = Pf /σv) employed as a measure of the degree of over pressuring. For typical rock densities, λv ~ 0.4 and λv = 1.0 denote hydrostatic and lithostatic fluid-pressure conditions, respectively. See Sibson (2002)
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