Elements of Geology: Including Fossil Botany and Palaeontology : a Popular Treatise on the Most Interesting Parts of the Science : Designed for the Use of Schools and General ReadersPratt, Woolford, 1848 - 432 หน้า |
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accumulations ancient animals appears basalt beds belong bivalve bones breccia calcareous called cavern cavity chalk clay climates coal color common composed contain corals crystaline Cuvier deluge deposits Dicotyledonous dike earth earthquakes elephant elevation entire eruption Etym existing extinct feet feldspar ferns fishes fissures formations fossil genera genus geological geologists glacier gneiss granite heat height hornblend hundred Ichthyosaurus inches Infusoria inhabitants instances island known lake land lava layers lime limestone Lyell marine mass Mastodon matter Megatherium metallic metamorphic rocks mica mica-slate miles mineral motion mountain nearly Oolite organic remains origin peculiar period phenomena plants Plesiosaurus present day produced quadrupeds quantity quartz recent represented by Lign reptiles resembling river rocks sand sandstone shells skeleton solid sometimes species specimens springs stem stone strata stratified stratum structure supposed surface teeth tertiary thick tion trees tusks univalve vegetables veins volcanic wood