Geology for general readers1870 |
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Page 54
... Vulcanic agency may block out , as it were , the contours and profiles of the land ; but the meteoric and aqueous agents - the frosts , rains , rivers , and waves - are the busy chisellers that are for ever conferring upon it its latest ...
... Vulcanic agency may block out , as it were , the contours and profiles of the land ; but the meteoric and aqueous agents - the frosts , rains , rivers , and waves - are the busy chisellers that are for ever conferring upon it its latest ...
Page 60
... vulcanic phenomena , and which may be respectively termed the mechanical and the chemical . By the former , the whole is resolved into an aboriginal igneous condition of the earth's 60 VULCANISM - ITS NATURE AND FUNCTION .
... vulcanic phenomena , and which may be respectively termed the mechanical and the chemical . By the former , the whole is resolved into an aboriginal igneous condition of the earth's 60 VULCANISM - ITS NATURE AND FUNCTION .
Page 61
... vulcanic pheno- The adherents of the former question the presence of these metallic elements in such abundance as to produce such gigantic results , and point to the universality of vol- canic action and the uniformity of its products ...
... vulcanic pheno- The adherents of the former question the presence of these metallic elements in such abundance as to produce such gigantic results , and point to the universality of vol- canic action and the uniformity of its products ...
Page 63
... vulcanic renovate and upheave from within ; and thus the rocky crust is held in perfect equipoise , and its surface diversified by all that irregularity of hill and valley , of table - land and plain , which is indispensable to variety ...
... vulcanic renovate and upheave from within ; and thus the rocky crust is held in perfect equipoise , and its surface diversified by all that irregularity of hill and valley , of table - land and plain , which is indispensable to variety ...
Page 69
... vulcanic agency as the solid strata of newer continents . In this long and ceaseless round they are disintegrated and dissolved , reconstructed and consolidated , and it is to the varied processes of reconstruction and consoli- dation ...
... vulcanic agency as the solid strata of newer continents . In this long and ceaseless round they are disintegrated and dissolved , reconstructed and consolidated , and it is to the varied processes of reconstruction and consoli- dation ...
Common terms and phrases
accumulations ages America ancient antiquity areas arrangement aspects beds bituminous calcareous Cambrian Carboniferous Chalk changes chemical chiefly clays climate coal coal-fields course Cretaceous Crown 8vo crustacea crystalline debris decay deposits distribution of sea drifted dry land earth's crust eocene estuaries Europe existing extinct feet fishes flora and fauna formations forms fossils Geography geologists geology glacial epoch glacier globe gradually gravel heat higher igneous incessant ironstones islands lakes latitudes Laurentian lava less lignites limestones lower mammals masses matter MESOZOIC metamorphism mineral miocene nature newer numerous occur ocean Old Red Sandstone older Oolite operations organic PALEOZOIC partly period physical plants and animals pliocene portion present recent regions reptiles rivers rock-matter rocks rocky sand schists sea and land secondary sediments shales shell-fish shells silts Silurian Sketch soil species stage stone strata stratified surface terrestrial tertiary thickness tion Triassic variety vegetable veins vital volcano vulcanic zoophytes
Popular passages
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Page 3 - ... this respect the Dictionary is most valuable and thoroughly reliable. As to the etymology of words, it is exhibited in a form that fixes itself upon the memory, the root-words showing the probable origin, of the English words, their primary meaning, and their equivalents in other languages. Much useful information and instruction relative to prefixes, postfixes, abbreviations, and phrases from the Latin, French, and other languages, &c., appropriately follow the Dictionary, which is throughout...