Geophysical Unit of Menlo Park, Calif.
Improving knowledge of the geology and geophysics of the Arbuckle Uplift in south-central Oklahoma is a goal of the Framework Geology of Mid-Continent Carbonate Aquifers project sponsored by the United States Geological Survey (USGS) National Cooperative Geologic Mapping Program (NCGMP). In May 2007, we collected ground magnetic and gravity observations in the Hunton Anticline region of the Arbuckle Uplift, near Sulphur, Oklahoma. These observations complement prior gravity data collected for a project sponsored by the National Park Service and helicopter electromagnetic (HEM) and aeromagnetic data collected in March 2007 for the NCGMP project. This report describes the instrumentation and processing that was utilized in the May 2007 geophysical fieldwork, and it presents preliminary results as gravity anomaly maps and magnetic anomaly profiles. Digital tables of gravity and magnetic observations are provided as a supplement to this report. Future work will generate interpretive models of these anomalies and will involve joint analysis of these ground geophysical measurements with airborne and other geophysical and geological observations, with the goal of understanding the geological structures influencing the hydrologic properties of the Arbuckle-Simpson aquifer.
Download this report as a 38-page PDF file (of2008-1003.pdf; 8.3 MB).
View the Readme file as ASCII text (of2008-1003_readme.txt; 8 kB).
Download the gravity data as a comma-separated value (CSV) file (of2008-1003_gravity_data.csv; 56 kB).
Download the magnetic data as a comma-separated value (CSV) file (of2008-1003_magnetic_data.csv; 248 kB).
For questions about the content of this report, contact Dan Scheirer
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| Western Open-File Reports for 2008 |
| Geologic Division | Geophysical Unit of Menlo Park, Calif. (GUMP) |