Earth:Freda Sandstone
From HandWiki
| Freda Sandstone Stratigraphic range: Proterozoic | |
|---|---|
| Type | Formation |
| Underlies | Jacobsville Sandstone |
| Overlies | Nonesuch Shale |
| Lithology | |
| Primary | sandstone |
| Other | mudstone, shale |
| Location | |
| Region | Michigan and Wisconsin |
| Country | United States |

The Freda Sandstone is a geologic formation in Michigan. It dates back to the Proterozoic. Lithologically, the Freda Sandstone is a lithic, red-brown, cyclic sequence of sandstones, mudstones and shales (conglomerates are rare).
References
- ((Various Contributors to the Paleobiology Database)). "Fossilworks: Gateway to the Paleobiology Database". https://www.fossilworks.org.
- Catacosinos, Paul (1991). "Early Sedimentary Evolution of the Michigan Basin". Geological Society of America Special Paper 256 (1): 248. ISBN 978-0-8137-2256-6. https://books.google.com/books?id=bk1KWLyxmdcC.
Template:Stratigraphic column of Michigan Template:Chronostratigraphy of Wisconsin
