supergroup
lithostratigraphic rank
Dyas (geology)
Former term for the uppermost geological period of the Paleozoic. now largely taken over by the internationally used Permian system. Now used to denote a Central European lithostratigraphic supergroup
Southern German Jura
supergroup
Culm Measures
geological formation of England
Old Red Sandstone
assemblage of Devonian rocks in Great Britain, Ireland, Norway and northeastern North America, consisting of sedimentary rocks including reddish sandstone
Carboniferous limestone
Limestone deposited during the Dinantian Epoch of the Carboniferous Period
Mount Read Volcanics
Cambrian volcanic belt that exists in Western Tasmania.