Proceedings of the Geologists' Association, Bände 63-64

Acheulian anhydrite Association Aymestry B.Sc bands Barnfield Pit Beds Blean brachial valve brachiopods British calcareous Cambrian Caradoc Carboniferous Church Stretton Clay Clee cliffs coast correlation crossi Cwm Ystwyth deposits developed district east erosion Estuarine Series evidence fault fauna Field Meeting flint fossils Geol Geological Survey gradient graptolites Grit Group gypsum hand-axes Hill Inferior Oolite ironstone Journ Jurassic knick-point Lagena Lias Lincolnshire Limestone Lond London Lower Ludlovian Ludlow Malvern Malvernian Middle Gravels miles Museum Northampton Sand occur Ordovician outcrop Palaeozoic Phyllites Pleistocene Pocock present Proc quarry Quart Red Crag river rocks sarsen Shales shell Shropshire Silurian slope species specimens Stage Stonar stone Stone Band Stour strata Stretton structure surface Surv Swanscombe Swanscombe skull terrace thickness Tintagel umbo unconformity Upper Estuarine Series Uriconian Valentian valley valley-benches volcanic Weldon Wenlock Wentnor Wentnor Series Zone