Undifferentiated (Ordovician rocks)

Undifferentiated (Ordovician rocks)
State Missouri
Name Undifferentiated (Ordovician rocks)
Geologic age Ordovician
Lithologic constituents
Major
Sedimentary > Carbonate > Dolostone (Bed)
Sedimentary > Carbonate > Limestone (Bed)
Minor
Sedimentary > Clastic > Sandstone (Bed)
Sedimentary > Clastic > Mudstone > Shale (Bed)
Comments Undifferentiated Ordovician Rocks-Predominantly dolomite and limestones and some important sandstone and shale units. Ordovician age rocks are exposed over approximately one-third of the state. The Canadian, Champlainian, and Cincinnatian Series all represented. The Canadian, Champlainian Series being the most extensive.
References

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 - Callaway - Franklin - Montgomery - Saint Charles - Saline - Warren