The Quarterly Journal of the Geological Society of London, Volumen 120

admixture Amer anomaly appear assemblage bands basic basin basite Bouguer anomaly buchites Calcareous nannoplankton carbonatite Carboniferous clay complex continental core length Cretaceous deformation depth DWBG dykes Eocene evidence fauna feldspathization folds foliation Foraminifera Formation fossils gabbro Gairloch Galicia Galicia Bank garnet geol geological Globorotalia gneisses granite granodiorite graptolite gravity greywackes gypsum Hawick hornblende Ialltaig igneous indicated inlier intrusive Laxfordian layer Leannan fault Levels examined microscopically Lewisian limestone lineation Loch Lond Lower Palaeozoic magnetic main-phase masses Mbeya metamorphism metaperidotite microfossils Micropalaeontology miles minerals Miocene Mottled Mountfield north-west occur Oligocene ooze outcrop Palaeozoic Peach phase planktonic Pliocene Purbeck Beds quartz Quartzite Quaternary Radiolaria region Riccarton rocks sandstone schists Scourian seamounts sedimentary sediments sequence shales siliceous microfossils south-east south-west specimens Stobs Castle stratigraphical structures suggested tectonic Tertiary thick ultrabasic upper valley velocity zeolitic zone