The Quarterly Journal of the Geological Society of London, Volumen 116

abundant albite analyses andalusite andesitic anhydrite anticline augite aureole basal batholith biotite Bodenham Beds Borrowdale Volcanic buchite calcareous calcite Cambrian Carboniferous chlorite cleavage composition country rocks Creeslough crystals deposits developed dolerite down-bulges evidence explosion breccias exposed feet feldspar feldspar-rich band felsite folds formation fossils fractures fragments gabbro Gars-bheinn Geol Geological grains granodiorite granophyre groundmass Haugh Wood igneous inlier intrusive tuffs joints kyanite lavas limestones Lough Lower magma Main Anhydrite margin marl metamorphism miles minerals movement mudstones muscovite Mweelrea Mweelrea Grits normal faults occur olivine Ordovician outcrop pelitic Perton phenocrysts plagioclase quartz quartzite reefs Rhum Sandstone schists sedimentary sediments Series shales shear Sheefry Grits Shucknall sill siltstones Silurian similar Skiddaw Slates Sleaves Oak Beds south-west southern spilites structures suggested syncline tectonic texture thickness thin thrust trend tuffs Ullswater Upper veins volcanic rocks Woolhope wrench-faults xenoliths zone