Penholoway Formation
| Penholoway Formation | |
|---|---|
| Stratigraphic range: ~770 ka | |
The Penholoway formation in the lower Savannah River area of Southeastern Georgia, USA | |
| Type | Geological formation |
| Unit of | Coastal Plain Sediment deposits |
| Overlies | Waccamaw Formation |
| Area | 25 square kilometers (15.5 square miles) |
| Thickness | up to 15 feet (4.6 m) |
| Lithology | |
| Primary | Sand, Clay |
| Location | |
| Location | Northeastern Florida, Coastal Georgia, Coastal South Carolina, Southeastern Coastal North Carolina |
| Region | Coastal Plain |
| Country | United States |
A map of the United States east coast coastal plain. The Penholoway Formation hugs the coastline from Jacksonville, Florida to Wilmington, North Carolina | |
The Penholoway Formation (also known as the Penholoway terrace or the Penholoway Coastal Complex is a geological formation located along the United States Atlantic coastline. It is one of many coastal formations that formed during the Pleistocene. It can be found along the coast from northern Florida to southeastern North Carolina. It averages 15-21 meters (50-69 feet) above sea level and averages 10 to 25 kilometers (32 to 82 miles) wide.