Geology and Mineralogy Considered with Reference to Natural Theology, Volumen 1Carey, Lea and Blanchard, 1841 - 87 páginas |
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Página 15
... beds of conglomerate rock ; in a fifth , strata of marl and clay ; in a sixth , gravel , loose sand , and silt . The subordinate mineral contents of these various formations are also different ; in the more ancient , are veins of gold ...
... beds of conglomerate rock ; in a fifth , strata of marl and clay ; in a sixth , gravel , loose sand , and silt . The subordinate mineral contents of these various formations are also different ; in the more ancient , are veins of gold ...
Página 16
... beds of coal ; in others salt and gypsum ; many are composed of freestone , fit for the purpose of architecture ; or of limestone , useful both for building and cement ; others of clay , convertible by fire into materials of building ...
... beds of coal ; in others salt and gypsum ; many are composed of freestone , fit for the purpose of architecture ; or of limestone , useful both for building and cement ; others of clay , convertible by fire into materials of building ...
Página 24
... bed of the ocean rose to supply their place . To this hypothesis also , the facts I shall sub- sequently advance offer insuperable objections . A third opinion has been suggested , both by learned theologians and by geologists , and on ...
... bed of the ocean rose to supply their place . To this hypothesis also , the facts I shall sub- sequently advance offer insuperable objections . A third opinion has been suggested , both by learned theologians and by geologists , and on ...
Página 40
... beds of various extent and thickness , such as those which are most remarkable in what the Wernerians have called the Floetz trap formation , Pl . 1 , section Fig . 6 .; but they do not present that subdivision into successions of small ...
... beds of various extent and thickness , such as those which are most remarkable in what the Wernerians have called the Floetz trap formation , Pl . 1 , section Fig . 6 .; but they do not present that subdivision into successions of small ...
Página 42
... beds of mud and sea , * The experiments of Mr. Gregory Watt on bodies cooled slowly after fusion ; and of Sir James Hall , on reproducing artificial crystalline rocks , from the pounded ingredients of the same rocks highly heated under ...
... beds of mud and sea , * The experiments of Mr. Gregory Watt on bodies cooled slowly after fusion ; and of Sir James Hall , on reproducing artificial crystalline rocks , from the pounded ingredients of the same rocks highly heated under ...
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abundant adapted afford Agassiz air-chambers Ammonites ancient animal and vegetable appear Articulated beds Belemnite body bones bony bottom calcareous Carboniferous cavity Chalk chambered shells character clay Coal formation composed Coniferæ contrivances Coprolites creation creatures Crocodiles Crustaceans Cuvier Cycadeæ deposites derived discovery earth Eningen entire evidence existing external shell extinct species farther feet Ferns fluid fossil fossil Fishes fossil species fresh-water genus Geol geological globe horny Ichthyosaurus Iguanodon important inhabitants ink-bag land Lias limestone Lizards lobes Lyme Regis Mammalia marine mechanical Megalosaurus Megatherium mineral nature Nautilus Nautilus Pompilius nearly occur Oolite organic remains Pachydermata peculiar period phenomena plants Plesiosaurus portion present probably Pterodactyle quadrupeds recent represents reptiles resembling ribs rocks sand Secondary similar siphuncle skeleton specimens stems strata stratum structure substance surface teeth tion tooth Trans transverse plates Trilobites trunk vertebræ vertebral column whilst