Historical:Abingdon Coal Member
M. E. Hopkins and J. A. Simon
The Abingdon Coal Member of the Spoon Formation (Culver, 1925, p. 75) is named for Abingdon, Knox County.
Abingdon is near the type locality (cen. 6, 9N-2E) (Weller et al., 1942b, p. 1589).
Although the Abingdon is not definitely recognized in other parts of the state, coals locally present near this position in northern and southern Illinois may be equivalent to the Abingdon Coal.
Extent and Thickness
The Abingdon is recognized only in western Illinois, where it varies in thickness but only locally exceeds 2 feet. It is absent from extensive areas.
CULVER, H. E., 1925, Coal resources of District III (western Illinois): Illinois State Geological Survey Mining Investigations Bulletin 29, 128 p.
WELLER, J. M., H. R. WANLESS, L. M. CLINE, and D. G. STOOKEY, 1942b, Interbasin Pennsylvanian correlations, Illinois and Iowa: American Association of Petroleum Geologists Bulletin, v. 26, p. 1585-1593.
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