Hobbs Creek Fault Zone (New Name)

Part of the Fluorspar Area Fault Complex
Old Name: Hobbs Creek Fault System

Location

From west-central Hardin across Pope to Massac County (pl. 2)

References

Baxter et al. 1967

Description

The Hobbs Creek Fault Zone defines the southeast border of the Dixon Springs Graben. Originally called the Hobbs Creek Fault System by Baxter et al. (1967), the name is changed here to Hobbs Creek Fault Zone because this is a narrow belt of parallel faults. It extends from the Mississippi Embayment northeast across the apex of Hicks Dome and eventually merges with the Ridge Fault. The zone is as much as 0.5 mile (0.8 km) wide and the vertical offsets reach several hundred feet. It most likely consists entirely of high-angle normal faults.

Figure(s)