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Rochester Shale - Lewiston
| Formation | Rochester Shale |
|---|---|
| Member | Lewiston |
| Age: | 433 - 427 Ma Silurian |
| Interval | Wenlock |
| Tectonic Setting | Foreland basin |
| Lithology | mudstone, mudstone/grainstone, "shale" |
| Number of Collections | 4 |
| Number of Occurrences | 85 |
Recorded Sample Locations
| Location | Region | Stratigraphic Name |
|---|---|---|
| Trilobites of the Arctinurus boltoni Assoc. | Erie County, New York, USA | Rochester Shale - Lewiston |
| Homocrinus-Eucalyptocrinites Assoc. | Thorold Township, Niagara Region, Ontario, Canada | Rochester Shale - Lewiston |
| Amphistrophia-Coolinia Comm. | Monroe County, New York, USA | Rochester Shale - Lewiston |
| Tormosocrinus-Kyphosocrinus Assoc. | Wayne County, New York, USA | Rochester Shale - Lewiston |
Associated Units
| Stratigraphic Name | Age | Lithology | Occurrence Records |
|---|---|---|---|
| Rockway | 433 - 431 Ma Silurian | dolomite | 6 |
| Williamson Shale | 433 - 427 Ma Silurian | shale, "shale"/siltstone | 31 |
| Wolcott Limestone | 443 - 433 Ma Silurian | shale/grainstone | 1 |
| Clinton - Wolcott Limestone | 443 - 433 Ma Silurian | shale/grainstone | 16 |
| Genesee - Ludlowville - Wanakah Shale / Darien Center | 388 - 383 Ma Devonian | shale/"limestone" | 42 |
Recorded Fossils
References
Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!
