Medina Group
The Medina Group is a geologic group in New York. It preserves fossils dating back to the Silurian period.[2] The group includes the Whirlpool Sandstone, Power Glen Shale, Devils Hole Sandstone, Grimsby Formation, Thorold Sandstone, Cambria Shale and Kodak Sandstone.[1]
| Medina Group Stratigraphic range: Silurian | |
|---|---|
 Outcrop of the Medina Group in Upstate New York | |
| Type | Group |
| Sub-units | Whirlpool Sandstone, Power Glen Shale, Devils Hole Sandstone, Grimsby Formation, Thorold Sandstone, Cambria Shale, Kodak Sandstone[1] |
| Location | |
| Region |  New York |
| Country |  United States |
References
- Carlton E. Brett; Dorothy H. Tepper; William M. Goodman; Steven T. LoDuca; Eckert Bea-Yeh (1995). "Revised stratigraphy and correlations of the Niagaran provincial series (Medina, Clinton, and Lockport groups) in the type area of western New York" (PDF). U.S. Geological Survey Bulletin. 2086: 1. doi:10.3133/B2086. ISSN 0083-1093. Wikidata Q56798368. Retrieved 28 September 2018.
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Archived from the original on 31 July 2014. Retrieved 22 June 2014.
Geological cross section of the Medina Group
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