4.5 - STRUMBLE HEAD - GOODWICK
" Pillow Lava ", on the east side of Porthsychan Bay .
Formed when Magma , from under water volcanic eruptions , is exposed to cold water ,
forming a pillow like mass , 430 - 490 Million years ago .
Ref: 5716
Date: 20/09/2009
Location: SM 905 409