Proceedings of the Geologists' Association, Band 92

aeolian Albion Sands Anglesey associated B.Sc basin beach Beds bioturbation Blackwater blocks boreholes channel clay cleavage cliff coarse Combpyne conglomerates correlation cross-bedding Cucklington deformation dipping dune environment erosion exposed exposures facies fault fluvioglacial sand folds foliation fossil fragments Freestone Geol Geological glacial glacier gneisses grains gravels Greenly greywacke Grit Gwna Harbour Group Hilton indicate Irish Sea Island limestone Llanddwyn Island locality Loch Lower marine matrix mélange metamorphic metres micrite minerals moraine mylonitic Neyriz occur Oolite Oolite Marl ophiolite Ordovician outcrop overlying peat Ph.D plates pollen Proc Quarry quartz quartzite Rhoscolyn river rocks Rosslare Complex salt weathering samples sandstones Sandy Haven Sandy Haven Formation schists sedimentary sediments seen sequence serpentinite shales Shirdley Hill Shirdley Hill Sand shoreline silt siltstones skarns Soil South Stack southern stratigraphic structures suggested surface tectonic terrace deposits thick tion Todber tuffs units upper valley Yons Nab zone