Type Formation Member Country United States Named for Fort Riley | Region mid-continental Primary Limestone Unit of Barneston Limestone | |
Underlies Holmesville Shale member of the Doyle Shale formation Overlies Oketo Shale member of the Barneston Limestone formation | ||
The Fort Riley Limestone is a stratigraphic unit and historic building stone, sold commercially as "Silverdale", in east-central Kansas, northeast-central Oklahoma, and southeastern Nebraska in the Midwestern United States. It preserves fossils dating to the Permian period.
References
Fort Riley Limestone Wikipedia(Text) CC BY-SA