Hawthorn Group
| Hawthorn Group | |
|---|---|
| Stratigraphic range: Miocene | |
| Type | Geological formation |
| Sub-units | (See text) |
| Location | |
| Region | North Florida |
| Country |  United States |
| Type section | |
| Named for | Hawthorne, Florida |
| Named by | L.C. Johnson, 1887 |
The Hawthorn Group is a Late Oligocene to Middle Miocene grouping of several geologic formations and members in North Florida, United States.
The Hawthorn Group was originally called the Waldo Formation in 1887 by L. C. Johnson of the USGS and became Hawthorne beds for sediments being quarried and ground up as fertilizer near Hawthorne, Florida.[1]
Sub-units
- Coosawhatchie Formation
- Marks Head Formation
- Peace River Formation
- Penney Farms Formation
- Statenville Formation
- Torreya Formation
References
- ^ http://www.clas.ufl.edu/users/guerry/GLY4155/mio_holo.htm Geology of Florida: Miocene to Halocene. University of Florida Geology]