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Working in teams, the students begin by conducting a vertical resistivty sounding to determine the depth to the water table. This can be checked because the survey is done in the middle of an existing well field. Using the depth determined, the students then conduct the equivalent of horizontal resistivity survey using a fixed "a" spacing. Instead of making a map they collect data at 10-degree intervals rotating the array around a central point. This provides them with information about how the resistivity varies with magnetic bearing and they then have to relate that to an interpretation of the local structure (fracture patterns). Each student has to submit an individual report which includes an interpretation of the data. Uses geophysics to solve problems in other fields
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