Definitions for "Overthrust"
Caused when pressure pushes rock strata up until one side folds over onto the second side. This will cause younger rock layers to be located under older layers.
a geologic event where tremendous earth forces causes a block of rock strata to uplift, shear, and shift over the top of other strata
The result of strong compressional tectonic forces which have thrust a body of rock over an adjoining body along a fault plane.