Abstract of the Proceedings of the Liverpool Geological Society, Bände 17-18

abundant appear band biotite Birkenhead blown sands borehole borings Boulder Clay Bunter Sandstone calcite Carboniferous Limestone Cefn-y-Fedw cleavage cliff Coal Measures contorted cordierite current bedding D.Sc deposits district east exposed fault feet below O.D. felspar Flintshire folds fossil fragments gabbro Geological Survey glacial Gloddaeth goniatite grains granite graptolites gravel grey Gwespyr Hill Holywell Shales hornfels igneous inches Keuper Little Orme Liverpool Geol Liverpool Geological Society Llanfair Talhaiarn Lower M.Sc magnetite Mersey Mersey Railway Tunnel metamorphic rocks meteorite Middle Bunter mile Millstone Grit minerals mudstones Nantglyn Nantglyn Flags NEAVERSON Nodular North Wales occur Ordinary Members outcrop peat Prestatyn Proc Professor H. H. READ quarry quartz Red Sandstone Rhyl ridges Searlesia sediments seen shales shells silt southern species specimens structures surface syncline T. A. JONES thickness Thurstaston tunnel Upper Bunter valley Wirral yards zone ΙΟ