... the study and enjoyment of Geology ... Slieve Commedagh, Mourne Mts; from Glen River valley.  Contact between G1 granite and underlying G2 granite is near the conspicuous break of slope on the mountainside.  Viewpoint N54.19278 W5.92207 Updated 20/11/2018 About us Summer prog. Winter prog. Contact us Useful links Home 10 December THE RISE AND FALL OF THE DINOSAURS Archive EVENT Next meeting: