Proceedings of the Geologists' Association, Band 82

ALLEN BAY analyses arctic Baffin Band basal basement Basin Beds biotite Boothia Arch borehole Cambrian carbon carbonaceous chondrites Carbonicola chalk muds channel chlorite Cliffe Cligga Head contain Cornwallis Cretaceous deposits Devonian diorites east evidence exposures facies fault fauna Field Meeting folds Formation fossiliferous fossils Geological glacial glauconitic gneisses granite gravels Greensand greisen greisenised grey horizon hornblende Jl geol Jurassic Kent Laxfordian Limestone Lond London Clay Lower Gault Lower Greensand Malvern Hills Malvernian marine Marls metamorphic meteorites metres mudstones north-west occur Ordovician origin outcrop Oxford Clay Palaeozoic party Peel Sound pegmatites plagioclase Pre-Cambrian Proc Proterozoic Quarry quartz Read Bay region rocks sand Sandstone sandy Scourie dykes sediments seen sequence Series shales sheared Silurian soil Somerset Island southern Sowerby specimens strata stratigraphical structures Sub-zone suggested surface Surv tectonic thick ultramafic Upper Valley volcanic Wales Weichselian Zone