Ground-Level Magnetic Study of Greene County, Ohio

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Title: Ground-Level Magnetic Study of Greene County, Ohio
Creators: Obot, V. E. D.; Wolfe, Paul J.
Issue Date: 1981-03
Citation: The Ohio Journal of Science. v81, n2 (March, 1981), 50-54
Abstract: We performed a ground level geomagnetic survey of Greene County, Ohio in the fall of 1976. The geomagnetic map showed a positive magnetic anomaly running from the northwestern section to the southeastern section of the county while the remainder of the map was relatively undisturbed. We analyzed the localized anomaly of the southeastern section by the Peters methods and by fitting to the model of a vertical rectangular prism magnetized along the earth's field. The Peters slope and half-slope methods gave maximum depth limits to the top of the body of 1.16 km and 1.08 km respectively. The best fit to the vertical prism model yielded a depth of 1.04±0.05 km, a width of 2.5 ±0.2 km, and a susceptibility contrast of +0.0039 cgs units. From the depth, we concluded that the source of the anomalies is intrabasement susceptibility variations.
Description: Author Institution: Department of Physics, Wright State University
ISSN: 0030-0950
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