Geology for general readers1870 |
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Page 20
... sediments of former lakes and estuaries and seas , the particles of which they are composed having been worn down by water , transported by water , and deposited in water . Hence all such rocks are regarded as aqueous , sedimentary , or ...
... sediments of former lakes and estuaries and seas , the particles of which they are composed having been worn down by water , transported by water , and deposited in water . Hence all such rocks are regarded as aqueous , sedimentary , or ...
Page 21
... sedimentary arrange- ment , layer above layer , give evidence of the forces that operate from without ; the unstratified , by their crystalline texture and the manner in which they break through and derange the sedimentary strata , of ...
... sedimentary arrange- ment , layer above layer , give evidence of the forces that operate from without ; the unstratified , by their crystalline texture and the manner in which they break through and derange the sedimentary strata , of ...
Page 22
... sediments ; old continents and islands submerged beneath the waters , and the sea - bed upheaved into newer lands . The rocks of the earth's crust are the only memorials of these repeated changes ; and if geology is earth - history , it ...
... sediments ; old continents and islands submerged beneath the waters , and the sea - bed upheaved into newer lands . The rocks of the earth's crust are the only memorials of these repeated changes ; and if geology is earth - history , it ...
Page 23
... sediments that are similarly deposited in estuaries an estuarine formation ; and those deposited in seas , and subsequently upraised into dry land , a marine formation . In course of time , by pres- sure , chemical action , and other ...
... sediments that are similarly deposited in estuaries an estuarine formation ; and those deposited in seas , and subsequently upraised into dry land , a marine formation . In course of time , by pres- sure , chemical action , and other ...
Page 24
... sediments of former lakes and estuaries and seas have become the rocky strata that now constitute the crust of the ... sedimentary sandstones , grits , conglomerates , shales , limestones , and ironstones , or fire - formed lavas ...
... sediments of former lakes and estuaries and seas have become the rocky strata that now constitute the crust of the ... sedimentary sandstones , grits , conglomerates , shales , limestones , and ironstones , or fire - formed lavas ...
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...