Pg. 19-24. Bogota limestone in Bogota cyclothem in McLeansboro group. Recognized in central and southeastern Illinois. Age is Pennsylvanian.
Type locality: a few mi southwest of Bogota, in NE/4 NE/4 sec. 17, T. 5 N., R. 8 E., Jasper Co., southeastern IL.
Source: US geologic names lexicon (USGS Bull. 1200, p. 412).
Pg. 40, 41, 51 (table 1). Bogota limestone member of Mattoon formation (new) of McLeansboro group. Recognized in southeastern Illinois. Thickness at type locality about 3.5 feet. Occurs above Effingham limestone member and below Greenup limestone member. Age is Late Pennsylvanian (Virgilian). Report presents new rock-stratigraphic classification of Pennsylvanian of Illinois. Cyclical classification is retained but is independent of rock-stratigraphic classification.
Type locality: a few mi southwest of Bogota, in NE/4 NE/4 sec. 17, T. 5 N., R. 8 E., Sailor Springs 15-min quadrangle, Jasper Co., southeastern IL (citing Newton and Weller, 1937, p. 9).
Source: Publication; US geologic names lexicon (USGS Bull. 1200, p. 412).
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
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