From dolerite dyke, c. 100 ft thick, trending W by S. Dyke cuts sediments of Upper Limestone Group, Carboniferous Limestone Series and is cut by dark grey porphyritic basalt (feldspar and a few ferromagneian phenocrysts) and by calcite and pyrite vei
Locality details
Old flooded quarry, 100 yds W of Cleddans House, 1600 yds ENE of Bishopbriggs Station