Swansea Anticline (Discarded)

Location

T1N, R8W, St. Clair County

References

Bell 1941

Description

Bell's (1941) map of the Herrin Coal Member (Pennsylvanian) shows a northeast-trending anticline about 3 miles (5 km) long and having closure of about 50 feet (15 m). It was based on only two control points. No anticline has been recognized in this area on deeper horizons. The existence of the Swansea Anticline is thus questionable, and use of the name should be discontinued.