3.10 - ST JUSTINIAN`S - WHITESANDS
Rock - Dolerite
A short length of Dolerite Sill ( an igneous intrusion ) , with Columnar Jointing , near
the top of the Cliff at Point St John , resting on steeply inclined sand and silt stones.
Ref: 12795
Date: 24/02/2014
Location: SM 7194 2585
