Geophysical Investigations on Gravity Gradiometry and Magnetic Data over the Wichita Uplift Region, Southwestern Oklahoma
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Publisher:Ohio State University. Division of Geodetic Science
Series/Report no.:Ohio State University. Geodetic Science. Report. no. 509
The Wichita uplift in southwestern Oklahoma is a unique region that shows strong gravity and magnetic field anomalies. Detailed geologic data as well as structural cross sections are also available for the region. This report includes a qualitative geophysical analysis of the airborne gravity gradiometer profiles, and a quantitative analysis of an airborne magnetic field data collected in the region. Two datasets were analyzed independently. Firstly, an effort has been made by comparative analyses of different gravity gradient components with the gravity field from EGM2008 side by side in order to understand the nature of the subsurface structural setting. Secondly, a spectral analysis of magnetic field has been applied using the well-known power-law behavior of the magnetic field. The resulting source intensity map delineates the areas with high magnetic sources, and also is in agreement with the geologic findings in the region.
This report was prepared by Dr. Kamil Erkan for work completed while on a post-doctoral fellowship at the School of Earth Sciences, Ohio State University, with support from research funds in the Geodetic Science Program.
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