The Wonders of Geology: Or, A Familiar Exposition of Geological Phenomena : Being the Substance of a Course of Lectures Delivered at Brighton, Volume 2A. H. Maltby, 1839 - 804 pagina's |
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abound ammonites ancient animal animalcules appear basalt beautiful beds beneath bituminous bones calcareous Cambrian carbon carboniferous system cells chalk character clay coal colour composed conglomerates coniferæ contains corals crater crinoidea crocodiles crustacea deposits Derbyshire dikes encrinite epoch exhibit existence extinct feet ferns ferous fishes flint flora flustra forests fossil fresh-water genera genus geological granite grit ichthyosaurus iguanodon infusoria insects islands Isle lava layers lecture lime marble marine marl mass megalosaurus metamorphic rocks mica mineral mollusca mountain limestone Murchison nature nodules numerous observations occur old red sandstone oolite oolite and lias organic remains peculiar plants Plate plesiosaurus polyparia polype present primary rocks remarks reptiles resembling saliferous sand schist scoriæ seen shale shells silicious Silurian Silurian System skeleton species specimen stems stone Stonesfield slate strata structure substance surface tentacula tertiary thickness tion trap trees trilobites vegetable veins vertebræ Vesuvius volcanic wealden zoophytes