Transactions of the Edinburgh Geological Society, Volume 19

algal bed andalusite Anderson anticline axes axial planes Banffshire Basal bergalitic biotite breccias cent chlorite clay cleavage conglomerates correlation Dalradian deformation deposits developed diagram dyke Edinb Eigg elongation Estheria Estheria Shales Estuarine Series evidence exposed exposures F1 folds F₂ fault flow formation formed fragments garnet geol Geology girdle Glen Lyon gneiss graded granite greywacke grits groundmass Group Hawick Hawick Rocks Highland indicate late-glacial lava Limestone lineation Loch Lond Lower magma margin marks matrix metamorphic mica mineral movements nepheline Nyiragongo occur Old Red Sandstone orientation Ostracod Ostrea Beds outcrop parallel pattern pebbles phenocrysts porphyroblasts quartz quartz fabric quartz grains quartzite Raised Beach Readvance recrystallised Riccarton ridges s-planes sand Sannox Schist schistosity Scotland sedimentary sediments shear shoreline siltstone Skye slope specimen staurolite Stirling strain-slip stratigraphical structures suggested surface Surv tectonites Triclinic Trotternish turbidity currents Upper Valley vein quartz zircon zone