Description
Mid Cretaceous coarse grained volcaniclastic rocks up to 2.5km thickness exposed extensively on western James Ross Island, with minor outcrops at Cape Longing and Robertson Island. Deeper water environment with sporadic macrofossils.
Age
Middle Cretaceous
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.