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

Alum Bay angle animals appears argillaceous basin beds belong bones boulders calcareous carboniferous chalk character cleavage coal coal-field coal-measures colour conglomerate Coniston Coniston limestone containing Cyrena deposits described Devonian east elevation Eocene evidence exhibited existing fault fauna feet thick formation fossils freshwater genera genus geologists granite gravel greensand greenstone grey grits humerus igneous rocks inches island Isle of Wight limestone Littry London clay Lower Silurian Lyell marine marls mass memoir miles mountain Murchison nearly north-east northern nummulitic observed occur Old red old red sandstone organic remains palæozoic period 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 species specimens Stigmaria strata striæ surface tertiary tion traced valley vertical Wales Wealden Wenlock White Cliff Bay whole