‘Gneiss’ RocksThu 28 January 2016Category: Geology, Gneiss Rocks, MembershipNormal fault in the Mârmorilik Formation of the Palaeoproterozoic Karrat Group, above the Affarlikassaa fjord, Central West Greenland From Gareth Digges La Touche Share your ‘Gneiss’ Rocks Email blog@pesgb.org.uk with your photos