| State | Missouri |
|---|---|
| Name | Joachim Dolomite, Dutchtown Formation |
| Geologic age | Middle Ordovician-Mohawkian Series |
| Lithologic constituents |
Major
Sedimentary > Carbonate > Dolostone (Bed)
Sedimentary > Clastic > Mudstone > Shale (Bed)
Sedimentary > Carbonate > Limestone (Bed)
Minor
Sedimentary > Clastic > Siltstone (Bed)
Sedimentary > Clastic > Sandstone (Bed)
|
| Comments | IN SOUTHEAST MO-Juachim Dolomite- (175 ft. max) dolomite with interbedded limestone and shale; Dutchtown FM- (170 ft. max) black dense limestone with minor sandstone siltstone and shale. IN NORTHEAST MO-Juachim Dolomite only. |
| 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 | Cape Girardeau - Franklin - Jefferson - Lincoln - Perry - Pike - Sainte Genevieve - Saint Louis - Scott |