Proceedings of the Geologists' Association, Band 66

abundant ammonites andalusite andesite anticline Association B.SC bands Banff Banff Division Banffshire Basement Series biotite boreholes Bowleaze Boyndie Bay Boyne bucklandi Bunbeg calcareous calcaria Bed Caledonoid Carboniferous clay conglomerate conybeari Coroniceras correlation cross-folding Dalradian Deeside deposit east Euhoplites exposures fault fauna felspar Field Meeting fine-grained folding fossils fragments Gault Geol geology Giffard Bay gneiss graded beds grains granite grey greywackes grits Group Highlands Holocene horizon johnstoni Keynsham layer Lias Limestone Linné lithological loam localities Loch Tay Loch Tay Limestone Lond Long Echet lower Lyme Regis Macduff marine metamorphic Moines mollusca mudstones Müller nodules north-east occur outcrop pebbles peripediment Perthshire Pre-Cambrian Proc Psiloceras Quarry quartz quartzite regional rhyolite rocks rotiforme Saltford sandstone sandy schists Schlotheimia scipionianum sediments seen shales Sheet siliceous south-east Spath species stratigraphical structures subzone Surv tectonic thickness tuff Tutcher Upper Dalradian volcanic zone