ALPHA This is a new website – your feedback will help us to improve it.

Marambio Group

Description

Fossiliferous, shallow water Upper Cretaceous - Lower Palaeocene (including the K-T boundary) fine grained volcaniclastic sedimentary rocks exposed widely on Seymour, James Ross and Vega islands.

Age

Late Cretaceous - Early Paleocene

Field Photo

Rock pinnacles in the Sobral Formation, looking out into the Weddell Sea, Seymour Island
Rock pinnacles in the Sobral Formation, Marambio Group, on Seymour Island looking out into the Weddell Sea. (Image c/o Rowan Whittle, BAS)

Map Reference

Riley, T. R., Flowerdew, M. J. & Haselwimmer, C. E. Geological Map of Eastern Graham Land, Antarctic Peninsula (1:625 000 scale). Sheet 1, (British Antarctic Survey, 2011). Available here.