A land of basalt and chalk

Basalt on chalk, Ballycastle

An early Cenozoic lava flow on top of Cretaceous chalk, near Ballycastle, Northern Ireland.  Photo: Chris Rowan, 2013

An early Cenozoic lava flow on top of Cretaceous chalk, near Ballycastle, Northern Ireland. Photo: Chris Rowan, 2013

Leave a comment:

Your email address will not be published. Required fields are marked *