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A Geophysical Study Of The Easternmost Piedmont: Brunswick County, Virginia, Mark A. Corbin
A Geophysical Study Of The Easternmost Piedmont: Brunswick County, Virginia, Mark A. Corbin
OES Theses and Dissertations
Gravity and magnetic models indicate that a steeply dipping, mylonitic shear zone recognized by reconnaissance mapping in the easternmost Piedmont of Brunswick County, Virginia is a listric fault. A pronounced 3 to 5 mgal Bouguer anomaly high is associated with the fault zone. A band of N10° trending aeromagnetic anomalies delineate the areal extent of the fault zone. The fault zone flattens eastward over a short distance to a depth of 15 kms where it joins a near horizontal surface that cuts across the region. This surface is herein interpreted to be a decollement. The fault zone of this study …