


Land to north gradually advancing into the sea by deposited river sediments. New land then becomes colonised by Lepidodendron, Sigillaria and Archaeocalamites. The roots and stems of which have left behind traces in the Cromhall Sandstone beds.
Land to north gradually advancing into the sea by deposited river sediments. New land then becomes colonised by Lepidodendron, Sigillaria and Archaeocalamites. The roots and stems of which have left behind traces in the Cromhall Sandstone beds.