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Cooper Island Formation

Description

50m thick, tectonically inverted, sequence of laminated mudstone and siltstone with massive arkosic sandstone and greywacke derived from a plutonic and metamorphic terrane. The sequence exhibits low regional metamorphic grade with localised contact thermal metamorphism (Storey, 1983)1.

Age

Pre-Jurassic

Map Reference

Curtis, M. L. Geological Map of South Georgia (1:250 000 scale). Sheet 4, (British Antarctic Survey, 2011). Available here.

References

  1. Storey, B. C. The geology of South Georgia: V. Drygalski Fjord Complex. Br. Antarct. Surv. Sci. Rep. 107, 88pp (1983). ↩