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Racine Dolomite, USA
| Formation | Racine Dolomite |
|---|---|
| Member(s) | Lecthaylus Shale |
| Age: | 433 - 423 Ma Silurian |
| Interval | Wenlock - Ludlow |
| Tectonic Setting | Cratonic basin |
| Lithology | lime mudstone, dolomite, wackestone |
| Number of Collections | 8 |
| Number of Occurrences | 175 |
Recorded Sample Locations
| Location | Region | Stratigraphic Name |
|---|---|---|
| Trilobites of the Sthenarocalymene celebra Assoc. | Cook County, Illinois, USA | Racine Dolomite |
| Trilobites of the Sthenarocalymene celebra Assoc. | Milwaukee County, Wisconsin, USA | Racine Dolomite |
| Glen Park Formation | Jersey County, Illinois, USA | Racine Dolomite |
| Glyptambon verrucosus-Calymene breviceps Assoc. | Kankakee County, Illinois, USA | Racine Dolomite |
| Bumastus | Racine County, Wisconsin, USA | Racine Dolomite |
| Bumastus | Cook County, Illinois, USA | Racine Dolomite |
| Bumastus | Milwaukee County, Wisconsin, USA | Racine Dolomite |
| Caryocrinites cf. ornatus Comm. | Cook County, Illinois, USA | Racine Dolomite - Lecthaylus Shale |
Associated Units
| Stratigraphic Name | Age | Lithology | Occurrence Records |
|---|---|---|---|
| Brandon Bridge | 439 - 433 Ma Silurian | mudstone, mudstone/dolomite | 49 |
| Glen Park | 359 - 347 Ma Paleozoic | dolomite, "limestone", sandstone | 121 |
| Joliet Dolomite | 439 - 426 Ma Silurian | dolomite | 4 |
| Racine | 427 - 423 Ma Silurian | dolomite, packstone, wackestone, dolomite/lime mudstone, wackestone/packstone, packstone/grainstone, wackestone/lime mudstone, "shale" | 1017 |
| Racine Dolomite - Lecthaylus Shale | 427 - 423 Ma Silurian | dolomite | 14 |
| Sugar Run Dolomite | 433 - 423 Ma Silurian | lime mudstone | 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!
