1. It is separated from Neoproterozoic rocks by a low angle thrust fault . 2. The NNW-SSE trending eastward dipping thrust fault forms a barrier for aquifers. 3. A number of minor thrust faults are also found within the tunnel. 4. The earthquake occurred along a known thrust fault with a length of. 5. Locally, the Sulphur Springs Valley Thrust Fault and Southampton Fault are found. 6. It has been suggested that these thrust faults originated along preexisting normal faults. 7. Instead thrust faults generally cause a thickening of the stratigraphic section. 8. The high angle normal faults were reactivated as thrust faults , inverting the half-grabens. 9. The earthquake was triggered by major thrust faults associated with the Ottawa-Bonnechere Graben. 10. Thrust faults occur in the foreland basin which occur marginal to orogenic belts.
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