The Geology of the Avon, Being an Enquiry Into the Order of the Strata and Mineral Productions of the District Washed by Its StreamsPhilip Rose, 1822 - 29 pages |
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abound acids alluvium alum shale ammonites angle animals appearance Avon basaltic Bath beautiful bed of coal black rock blue bolder Bristol Catcott cavities chalk formations character Cheddar Clifton Clutton coalfields colour contain Cornbrash crystals degrees deluge depositions depth Derbyshire diluvian district earth east elevation extending extraneous fossils fathoms feet fissures flood-formed formed forty fathoms four fracture Frenchay geological Gloucestershire Gloucestershire hills gravel heat Hotwells hundred inches thick indurated clay lime limestone lithophytes marble Marksbury marmorous ranges Mendip miles millgrit mineral mountain limestone Nailsea nature nodules occur Ogyges old red sandstone ōŏlite organic remains oxides of iron penetrate places primitive pyrites quarried red ground resembling ridge river Rowley Regis seen shaly lias shells side spar specimens Steeple Ashton stone strata stratum stream sulphate sulphurous superincumbent superior testaceous thin veins three fathoms tides twenty fathoms vallies varieties vein of coal white lias white sandstone whole yellow Yorkshire