Medina Group
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| Medina Group | |
|---|---|
| Stratigraphic range: Silurian | |
 Outcrop of the Medina Group in Upstate New York | |
| Type | Group |
| Sub-units | |
| Location | |
| Region |  New York |
| Country |  United States |
The Medina Group or Cataract Group is a geologic group in New York. It dates to Silurian period. The group includes the Whirlpool Sandstone, Power Glen Shale, Devils Hole Sandstone, Grimsby Formation, Thorold Sandstone, Cambria Shale, Cabot Head Shale and Kodak Sandstone.[1]
References[edit]
- ^ a b 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 8755-531X. Wikidata Q56798368. Retrieved 28 September 2018.
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