Decorah Group, Plattin Group

Decorah Group, Plattin Group
State Missouri
Name Decorah Group, Plattin Group
Geologic age Middle Ordovician-Mohawkian Series
Lithologic constituents
Sedimentary > Carbonate > Limestone (Bed)
Sedimentary > Clastic > Mudstone > Shale (Bed)
Comments IN SOUTHEAST and NORTHEAST MO-Decorah Group- (40 ft. max) shale with thin limestone beds; Plattin Group- (450 ft. max) finely crystalline limestone with minor interbedded shale
Stratigraphic units PLATTIN GROUP- including Bloomsdale FM, Beckett FM, Hager FM, Macy FM.

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

NGMDB product
Counties Cape Girardeau - Franklin - Jefferson - Lincoln - Perry - Pike - Ralls - Sainte Genevieve - Saint Louis - Scott