| Bacolet Formation | |
|---|---|
| Stratigraphic range: Albian | |
| Type | Formation |
| Unit of | Tobago Volcanic Group |
| Lithology | |
| Primary | Mudstone |
| Other | Volcaniclastic sandstone & siltstone |
| Location | |
| Coordinates | 11°12′N60°48′W / 11.2°N 60.8°W |
| Approximate paleocoordinates | 5°36′N32°36′W / 5.6°N 32.6°W |
| Region | Tobago |
| Country | Trinidad and Tobago |
| Type section | |
| Named for | Bacolet |
  Bacolet Formation (Trinidad and Tobago) | |
The Bacolet Formation is a geologic formation in Trinidad and Tobago. It preserves radiolaria and ammonite fossils dating back to the Albian period. The formation is part of the Tobago Volcanic Group and comprises organic-rich, black pyritic siliceous mudstones and fine-grained volcaniclastic sandstones and siltstones. [1]