"Corny Point Lighthouse and the beach below where the “melted granites and the black basalt etc. were. We saw crystalline basement rocks on the shore west of the Lighthouse. Geologists still disagree about the sequence here although many visit and the disputes continue….There is calcrete, coarse grained pink pegmatite with pink potassium feldspar and grey quartz. There is Amphibolite which may be Tournefort Metadolerite and another intrusion which may be ….other stuff is said “appears to be a cross-bed” You get the picture. It is the sort of place that has geologists tear their hair and come to blows with their little hammers ... "