| Grotto Beach Formation | |
|---|---|
| Stratigraphic range: Mid-Late Pleistocene | |
| Type | Formation |
| Sub-units | Cockburn Town Member |
| Lithology | |
| Primary | Limestone |
| Other | Grainstone |
| Location | |
| Coordinates | 24°00′N74°30′W / 24.0°N 74.5°W |
| Region | San Salvador Island |
| Country | Bahamas |
The Grotto Beach Formation is a geologic formation in the Bahamas. It preserves fossils dating back to the Middle to Late Pleistocene period. [1]