Trenton Formation
The Trenton Formation is a geologic formation in Michigan. It preserves fossils dating back to the Ordovician period.
| Trenton Formation Stratigraphic range: Middle-Upper Ordovician | |
|---|---|
 Trenton Formation in Canada | |
| Type | Formation |
| Sub-units | Groos Quarry & Chandler Falls Members |
| Underlies | Collingwood Shale, Point Pleasant Formation & Scales Shale |
| Overlies | Black River & Plattin Formation |
| Lithology | |
| Primary | Limestone |
| Location | |
| Region | Indiana, Michigan, Ohio, and Virginia[1] |
| Country |  .svg.png){kind=small} |
| Extent | Appalachia, Midwestern and Southeastern United States |
References
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Archived from the original on 31 July 2014. Retrieved 22 June 2014.
| Ph |
|   | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| pЄ |
| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.