Transactions of the Geological SocietyThe Society, 1840 |
Contents
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Common terms and phrases
Ammonites angle appears argillaceous Barnstaple basalt beds bone Broseley calcareous carboniferous limestone chalk cliffs clod clunch coal-field coal-measures coast colour compact composed conglomerate containing corals crag culm deposits described Devonian Diluvial district earthquake east elevation exhibited fault feet felspar flint coal formation fossils fragments genus Geol Geological granite gravel grey greywacke hills horizontal hornblende Ibid igneous imbedded inches ironstone Island lime London London clay lower marl masses mica mica slate miles mineral mountain nearly nodules numerous observed occur old red sandstone oolite organic remains Penneystone Phill places Plate Plesiosaurus Plymouth portion quarries quartz range remarkable resembling ridge river rock Royal sand schist shale shells side Silur Silurian siphuncle Society South Devon Sowerby species specimens stone strata structure surface Terebratula thick thin trachyte transverse trap upper V.-SECOND SERIES veins vertebræ