Rich Fountain Formation

The Rich Fountain Formation is a geologic formation in Missouri. It preserves fossils dating back to the Ordovician period.

Rich Fountain Formation
Stratigraphic range: Ordovician
Type	Formation
Location
Region	Missouri
Country	United States
Type section
Named for	Rich Fountain, Osage County, Missouri[1]

The Rich Fountain was proposed in 1944 as the equivalent of the lower part of the Jefferson City Formation in a new Jefferson City Group. The Theodosia Formation was proposed as the equivalent of the upper Jefferson City and the lower portion of the overlying Cotter Formation.^[1]

See also

• Paleontology portal

• List of fossiliferous stratigraphic units in Missouri
• Paleontology in Missouri