Principles of Geology, Volume 10

afterwards alluvial ancient animals appear basalt beds bottom Calabria calcareous Campania carbonic acid carboniferous causes century changes channel cliffs coast cone considerable continued convulsions crater deep delta deposits depth distance district earth earthquakes elevation eruption estuary Etna fifty fissures flood flowed formation formed former fossil geological geologist globe gradually granite gulf heat height Herculaneum hills hundred feet igneous inhabitants Ischia island isles Journ lake land lapilli latitudes lava limestone marine mass matter Mediterranean miles mineral modern Monte Nuovo mountains mouth nature observations ocean period phenomena plain Pompeii portion present Puzzuoli quantity regions remains rise river rocks sand scoriæ sediment shells shock shores Sicily side Solfatara species springs Strabo strata stream submarine subterranean supposed surface thickness thousand feet thrown tides tion torrents town trachyte tract travertin tuff valleys vapour vents Vesuvius violent volcanic volcanic cones whole