The Quarterly Journal of the Geological Society of London, Volumen 123

amphibolite anomalies bands basic dykes beds belt biotite Bouguer anomalies Breaca breccia burrows Cainozoic Cambrian centrifugus chalk Chugach-Fairweather fault complex Coronel Formation Dalradian deformation deposits developed Dingalan east explosion breccia facies fault zone feldspar felsite flint folds foliation foreign stones gabbro Geological geosyncline Gill granite granophyre granulite graptolite gravel gravity grey-gneiss greywacke Gulf of Alaska hardground Howgill Howgill Fells igneous intrusions island Karamoja Laxfordian Lewisian gneiss limestone linnarssoni Lond Lubingan magma magnetic metamorphism minerals Monograptus mudstone Murrisk north-east north-west northern occur Ordovician orogenic outcrop pegmatites phase photogeological plagioclase PLATE Porth pyroxene quartz raised beach region Rhum riccartonensis Rift rocks sandstone Scourian sediments sequence shales shear sheet shore platform showing Silurian similar South Uist south-west southern strike structures suggested survey syncline tectonic tectonic domain Tertiary thalassinoid thickness trend tuffisite Upper Head Watney & Welch Wenlock Yakutat