| San Fernando Formation | |
|---|---|
| Stratigraphic range: Oligocene | |
| Type | Formation |
| Sub-units | Flat Rock Member |
| Lithology | |
| Primary | Claystone |
| Location | |
| Coordinates | 10°18′N 61°30′W / 10.3°N 61.5°W |
| Approximate paleocoordinates | 9°00′N 56°18′W / 9.0°N 56.3°W |
| Country |  Trinidad and Tobago |
| Type section | |
| Named for | San Fernando |
The San Fernando Formation is a geologic formation in Trinidad and Tobago. The open marine claystones preserve fossils dating back to the Oligocene period.[1]
- ^ San Fernando Formation at Fossilworks.org