Argo Fault
Part of the Fluorspar Area Fault Complex
Location
Sections 29, and 32, T12S, R8E, Hardin County (pl. 2)
References
Hubbert 1944, J. Weller et al. 1952, Baxter and Desborough 1965
Description
The Argo Fault is part of a complex zone of faulting along the southeast margin of the Rock Creek Graben Few details of the Argo Fault have been published. The fault carries the Argo fluorspar vein, which was mined just west of Rosiclare. It is about 2 miles (3 km) long and strikes N20°E; the northwest side is downthrown a maximum of about 75 feet (23 m). J. Weller et al. (1952) reported that the fault plane was "nearly vertical and locally overturned," suggesting that reverse or strike-slip faulting may be involved.
Figure(s)
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