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Williamson Shale, New York, USA
| Formation | Williamson Shale |
|---|---|
| Age: | 433 - 427 Ma Silurian |
| Interval | Wenlock |
| Lithology | shale, "shale"/siltstone |
| Number of Collections | 3 |
| Number of Occurrences | 31 |
Recorded Sample Locations
| Location | Region | Stratigraphic Name |
|---|---|---|
| Niagara Gorge section 2 | Niagara County, New York, USA | Williamson Shale |
| Railroad cut in Lockport | Niagara County, New York, USA | Williamson Shale |
| Tormosocrinus-Kyphosocrinus Assoc. | Wayne County, New York, USA | Williamson Shale |
Associated Units
| Stratigraphic Name | Age | Lithology | Occurrence Records |
|---|---|---|---|
| Irondequoit Limestone - Rockway | 433 - 427 Ma Silurian | dolomite | 76 |
| Irondequoit Limestone - Upper | 433 - 427 Ma Silurian | dolomite, "limestone" | 23 |
| Rochester Shale | 433 - 423 Ma Silurian | limestone/"shale", mudstone/"shale", "shale" | 82 |
| Rochester Shale - Lewiston | 433 - 427 Ma Silurian | mudstone, mudstone/grainstone, "shale" | 85 |
| Rochester Shale - Upper | 433 - 427 Ma Silurian | limestone | 6 |
| Wolcott Limestone | 443 - 433 Ma Silurian | shale/grainstone | 1 |
| Clinton - Wolcott Limestone | 443 - 433 Ma Silurian | shale/grainstone | 16 |
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!
