Hawthorn Group: Difference between revisions
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The '''Hawthorn Group''' is a [[Late Oligocene]] to [[ |
The '''Hawthorn Group''' is a [[Late Oligocene]] to [[Pliocene]] grouping of several [[geologic formation]]s and members in [[North Florida]], [[United States]]. |
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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]].<ref>http://www.clas.ufl.edu/users/guerry/GLY4155/mio_holo.htm Geology of Florida: Miocene to Halocene. University of Florida Geology]</ref> |
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]].<ref>http://www.clas.ufl.edu/users/guerry/GLY4155/mio_holo.htm Geology of Florida: Miocene to Halocene. University of Florida Geology]</ref> |
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==Sub-units== |
==Sub-units== |
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*[[ |
*[[Arcadia Formation]] |
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*[[Coosawhatchie Formation]] (Miocene-Pliocene) |
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*[[Marks Head Formation]] |
*[[Marks Head Formation]] |
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*[[Peace River Formation (Florida)|Peace River Formation]] |
*[[Peace River Formation (Florida)|Peace River Formation]] (Miocene-Pliocene) |
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*[[Penney Farms Formation]] |
*[[Penney Farms Formation]] |
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*[[Statenville Formation]] |
*[[Statenville Formation]] |
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{{reflist}} |
{{reflist}} |
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*<small>[http://sofia.usgs.gov/publications/maps/florida_geology/OFR80.pdf USGS: Florida Geology]</small> |
*<small>[http://sofia.usgs.gov/publications/maps/florida_geology/OFR80.pdf USGS: Florida Geology]</small> |
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[[Category:Geologic formations]] |
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[[Category:Geology of the United States]] |
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[[Category:Geology of Florida]] |
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[[Category:Oligocene paleontological sites of North America]] |
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[[Category:Miocene paleontological sites of North America]] |
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Revision as of 13:25, 23 December 2009
| 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 Pliocene 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
- Arcadia Formation
- Coosawhatchie Formation (Miocene-Pliocene)
- Marks Head Formation
- Peace River Formation (Miocene-Pliocene)
- 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]