Subject ASC00013b9
The Quarterly journal of the Geological Society of London.
v.50 (1894), Page 15 (1894)
Smithsonian Libraries
BHL Page 39088703
Keywords
geology map rocks Devonian Christiania fjord volcano Map Christiania Region "The Basic Eruptive Rocks of Gran". Map of the Christiania Region. geological map granitite quartz-syenite basic rocks devonian silurian archaean Gran Granitite Quartz Tyri Fjord Randsfjord