Jefferson City Formation
Geologic formation in Arkansas and Missouri, United States
From Wikipedia, the free encyclopedia
The Jefferson City Formation or Jefferson City Dolomite is a geologic formation in the Ozarks of Missouri and Arkansas. The Jefferson City is in part not differentiated from the Cotter Formation of northern Arkansas.[3] It preserves fossils dating back to the Ordovician period.
| Jefferson City Formation | |
|---|---|
| Stratigraphic range: Early Ordovician | |
| Type | Formation |
| Underlies | Cotter Dolomite |
| Overlies | Roubidoux Formation[1] |
| Lithology | |
| Primary | Dolomite |
| Other | Chert, sandstone |
| Location | |
| Region | Arkansas, Missouri |
| Country | United States |
| Type section | |
| Named for | Jefferson City, Cole County, Missouri[2] |
| Named by | Arthur Winslow |
