The Quarterly Journal of the Geological Society of London, Volume 2

Alum Bay angle animals appears beds belong bones boulders calcareous carboniferous chalk character clay cleavage coal coal-field coal-measures colour conglomerate Coniston Coniston limestone containing Cyrena deposits described Devonian direction distinct drift east elevation Eocene exhibited existing fault fauna formation fossils freshwater genera genus geological geologists granite gravel greensand greenstone grey grits Hill humerus igneous igneous rocks inches island Isle limestone Littry London clay Lower Silurian Lyell marine marls mass miles mountain nearly northern nummulitic observed occur Old red old red sandstone organic remains palæozoic period Permian phænomena plants plates porphyry portion present quarry red sandstone remarkable resembling ridge river Russia sand schists seams seen shale shells side Sigillaria Silurian rocks slate slaty Society species specimens Stigmaria strata striæ surface tertiary tion traced upper valley volcanic Wealden Wenlock White Cliff Bay whole