Structure of the Reelfoot-Rough Creek rift system, Fluorspar area fault complex, and Hicks Dome, southern Illinois and western Kentucky; new constraints from regional seismic reflection data

Ql Introduction 2 Geologic Setting 2 Data Acquisition and Processing 4 Correlation of Reflections with Regional Stratigraphy 4 Velocity Assumptions 5 Interpretation of the Seismic Profile 6 Stephens Well and Vicinity 6 Tabb Fault System 6 Fluorspar Area Fault Complex 7 Ohio River-Rock Creek Graben Area 10 Discussion 13 Reelfoot-Rough Creek Rift 13 Fluorspar Area Fault Complex 16 Hicks Dome 16 Conclusions 17 References Cited 18

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