Geology - Pembrokeshire
Pillow Lava
Pillow Lava near the very tip of Pen Anglas .
Volcanic Magma extruded underwater formed balls of Basalt Lava with a thin solid skin.
The balls settled one on top of another becoming pillow shaped
In Gallery 4.5
Ref: 10973
Date: 13/10/2012
Location: SM 948.405
