Gulfian Series

Owl Creek Formation - massive, sandy, micaceous, fossilliferous, glauconitic marine clay, max 100 ft. McNairy Formation - unconsolidated sandstone with clay and gravel lenses, max of 250 ft.
State Missouri
Name Gulfian Series
Geologic age Late Cretaceous-Gulfian
Lithologic constituents
Major
Unconsolidated > Fine-detrital > Claymassive, sandy, micaceous, fossilliferous, glauconitic marine clay
Unconsolidated > Coarse-detrital > Sandunconsolidated sandstone
Minor
Unconsolidated > Coarse-detrital > Gravelgravel lenses
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 - Scott - Stoddard