Tobago Volcanic Group
The Tobago Volcanic Group is a geologic group in Trinidad and Tobago. It preserves radiolaria and ammonite fossils dating back to the Albian period. The formation contains the Bacolet Formation and comprises organic-rich, black pyritic siliceous mudstones and fine-grained volcaniclastic sandstones and siltstones.[1]
| Tobago Volcanic Group Stratigraphic range: Albian | |
|---|---|
| Type | Group |
| Sub-units | Bacolet Formation |
| Lithology | |
| Primary | Volcaniclastics |
| Other | Shale, sandstone, siltstone |
| Location | |
| Coordinates | 11.2°N 60.8°W |
| Approximate paleocoordinates | 5.6°N 32.6°W |
| Region | Tobago |
| Country |  Trinidad and Tobago |
| Type section | |
| Named for | Tobago |
  Tobago Volcanic Group (Trinidad and Tobago) | |
References
- Tobago Volcanic Group at Fossilworks.org
Further reading
- A. W. Snoke and P.J. Noble. 2001. Ammonite-radiolarian assemblage, Tobago Volcanic Group, Tobago, West Indies—Implications for the evolution of the Great Arc of the Caribbean. Geological Society America Bulletin 113:256-264
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