The Quarterly Journal of the Geological Society of London, Volumen 1

Ammonites animal appears Atherfield beds Belemnites belong bones calcareous carboniferous cells chalk character clay cliff cloth coal coast coloured conglomerate considerable consist containing coral crag cretaceous Crioceras D'Orbigny deposits described distinct district Edition elevation eocene exhibited extending feet thick formation fossiliferous fossils fragments furrows genera genus Geological Society Glyptodon gneiss granite Green Sand greenstone grey gypsum hills horizontal Hythe inches islands lake lamellæ layers limestone Lonsdale Lower Green Sand Lower Silurian marine marl masses miles miocene mountain mouth nearly noticed numerous observed occur oolitic Pecten Perim Island Permian plates porphyry portion present recent red sandstone reefs remarkable resembling ridge river schists shales shells shore side Silurian Silurian rocks slate species specimens strata striæ structure surface teeth Terebratula tertiary tion traced transverse Upper Silurian valley Vignette Titles Wealden