Geology and Mineralogy Considered with Reference to Natural Theology, Parte 1W. Pickering, 1836 - 599 páginas |
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Página 36
... whilst that of stratified sedimentary deposits has re- sulted chiefly from the mechanical action of moving water , and has occasionally been modi- fied by large admixtures of animal and vege- table remains 36 PROPER SUBJECTS OF.
... whilst that of stratified sedimentary deposits has re- sulted chiefly from the mechanical action of moving water , and has occasionally been modi- fied by large admixtures of animal and vege- table remains 36 PROPER SUBJECTS OF.
Página 56
... deposits of sand into compact quartz rock , and beds of clay into clay slate , or other forms of primary slate . The rock which some authors have called primary grauwacke , seems to be a mechanical deposit of coarse sandstone , in which ...
... deposits of sand into compact quartz rock , and beds of clay into clay slate , or other forms of primary slate . The rock which some authors have called primary grauwacke , seems to be a mechanical deposit of coarse sandstone , in which ...
Página 65
... deposits occur also occasionally in the lower regions of the carboniferous series . ( See Dr. Hib- bert's account of the limestone of Burdie House , near Edinburgh ; Transactions of the Royal Society of Edinburgh , vol . xiii .; and ...
... deposits occur also occasionally in the lower regions of the carboniferous series . ( See Dr. Hib- bert's account of the limestone of Burdie House , near Edinburgh ; Transactions of the Royal Society of Edinburgh , vol . xiii .; and ...
Página 68
... deposits of clay , and marl , and limestone . The materials of most of these strata appear to have been derived from the detritus of primary and transition rocks ; and the larger frag- ments , which are preserved in the form of pebbles ...
... deposits of clay , and marl , and limestone . The materials of most of these strata appear to have been derived from the detritus of primary and transition rocks ; and the larger frag- ments , which are preserved in the form of pebbles ...
Página 70
... deposits . Another advantage in the disposition of stra- tified rocks consists in the fact that strata of limestone , sand , and sandstone which readily absorb water , alternate with beds of clay , or marl , which are impermeable to ...
... deposits . Another advantage in the disposition of stra- tified rocks consists in the fact that strata of limestone , sand , and sandstone which readily absorb water , alternate with beds of clay , or marl , which are impermeable to ...
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Términos y frases comunes
adapted afford Agassiz air chambers Ammonites ancient animal and vegetable appear Articulated Baculites beds Belemnite body bones bony bottom calcareous Carboniferous cavity Chalk chambered shells character clay Coal formation composed condition Coniferæ contrivances Coprolites creation creatures Cretaceous Crocodiles Crustaceans Cuvier Cycadeæ deposits derived Dicotyledonous earth enamel Eningen entire evidence existing external shell extinct species feet Ferns fluid fossil fossil Fishes fossil species genus Geology globe horny Ichthyosaurus Iguanodon important inhabitants ink-bag land limestone living Lizards lobes Lyme Regis Mammalia marine mechanical Megatherium mineral Mollusks nature Nautilus nearly occur Oolite organic remains peculiar perfect period plants Plesiosaurus portion present probably Pterodactyle quadrupeds recent represents reptiles resembling ribs rocks sand sandstone Secondary shews similar siphuncle skeleton specimen stems strata stratum structure surface teeth Tertiary formations tion tooth Trans transverse plates Trilobites trunk vertebræ vertebral column whilst