Date of Award

Spring 2016

Degree Type

Non-Thesis Project

Degree Name

Master of Science (MS)

Department

Geophysical Engineering

Committee Chair

Marvin Speece

First Advisor

Khalid Miah

Second Advisor

Glenn Shaw

Abstract

A near surface seismic survey was performed in order to locate the Georgetown Thrust Fault. The location of the thrust fault relative to Georgetown Lake has been previously proposed by field mapping methods (Lonn et al.,2004). A seismic survey could be useful to identify the thrust fault because of possible geologic discontinuities at the boundaries of the thrust fault that could give rise to diffraction energy indicative of the presence of those discontinuities. The Montana Tech summer field camp recorded a seismic survey along the southern edge of Georgetown Lake. This report focuses on the optimal processing methods for near surface seismic data with the goal of producing a coherent seismic section for this dataset. The area around the thrust fault did not have coherent reflections that could directly correlate to the presence of a thrust fault. Due to the lack of reflections in the vicinity of the thrust fault, no direct indication of the thrust fault on the seismic section was observed. Indirectly, the only evidence of the thrust fault was lateral discontinuities in the seismic section. On the other hand, reflections characteristic of a basins were clearly visible on the seismic profile.

Comments

A non-thesis project submitted to fulfill degree requirements for a Master of Science in Geosciences: Geophysical Engineering

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