Silurian system

Joliet Limestone, Bowling Green Dolomite, Bryant Knob Formation, Bainbridge Formation, Sexton Creek Limestone.
State Missouri
Name Silurian system
Geologic age Late Silurian- to Early Silurian
Lithologic constituents
Sedimentary > Carbonate > Limestone (Bed)
Sedimentary > Carbonate > Dolostone (Bed)
Sedimentary > Clastic > Mudstone > Shale > Black-shale (Bed)
Comments IN NORTHEAST MO- (Landoverian Series), Joliet Limestone- (60 ft. max) thin bedded cherty limestone; Bowling Green Dolomite- (60 ft. max) medium to thick bedded finely crystalline dolomite with some shale partings; Bryant Knob FM- (20 ft. max) bioclastic limestone, dolomitic limestone and some black shale, (includes Kissenger Limestone member- bioclastic limestone). IN SOUTHEAST MO- (Wentlockian-Ludlovian Series), Bainbridge FM- (160 ft. max) dark red argillaceous limestone, (includes Seventy- Six Shale member- shaly limestone); (Landoverian Series), Sexton Creek Limestone- (60 ft. max) cherty limestone interbedded with some shale. Summary: mostly limestone with dolostone and some shale.

Howe, W.B. and Koenig, 1961, The Stratigraphic Succession in Missouri: Missouri Geological Survey and Water Resources, Vol XL. 2nd Series.

NGMDB product
Counties Bollinger - Cape Girardeau - Lincoln - Perry - Pike - Sainte Genevieve - Saint Louis - Scott