Geology for general readers1870 |
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Page vii
... - 5 . IGNEOUS-- VOLCANOES , EARTHQUAKES , AND CRUST - MOTIONS THE CRUST HELD IN EQUILIBRIUM BETWEEN WASTE AND RE- CONSTRUCTION THESE ENDURING AS THE PLANETARY SYSTEM , -- 17 35 III . VULCANISM - ITS NATURE AND FUNCTION . DEFINITION.
... - 5 . IGNEOUS-- VOLCANOES , EARTHQUAKES , AND CRUST - MOTIONS THE CRUST HELD IN EQUILIBRIUM BETWEEN WASTE AND RE- CONSTRUCTION THESE ENDURING AS THE PLANETARY SYSTEM , -- 17 35 III . VULCANISM - ITS NATURE AND FUNCTION . DEFINITION.
Page viii
... VOLCANOES - CRUST- ―― - - MOTIONS , THEIR CHARACTER AND RESULTS RECENT EX- AMPLES THEORIES OF VULCANISM OR INTERNAL FIRE- ACTION - ITS SHIFTINGS FROM AREA TO AREA - APPARENT FUNCTIONS OF - POWER AND PERMANENCE OF , AS A NAT- URAL FORCE ...
... VOLCANOES - CRUST- ―― - - MOTIONS , THEIR CHARACTER AND RESULTS RECENT EX- AMPLES THEORIES OF VULCANISM OR INTERNAL FIRE- ACTION - ITS SHIFTINGS FROM AREA TO AREA - APPARENT FUNCTIONS OF - POWER AND PERMANENCE OF , AS A NAT- URAL FORCE ...
Page 21
... volcano or burning - mountain , and ob- serve the discharges of molten lava , which when cooled assume a structure scarcely distinguishable from that of the basalts and greenstones , we are equally entitled to infer that these have ...
... volcano or burning - mountain , and ob- serve the discharges of molten lava , which when cooled assume a structure scarcely distinguishable from that of the basalts and greenstones , we are equally entitled to infer that these have ...
Page 22
... volcanoes are ever throwing out from the same interior showers of dust and ashes , and masses of molten lava . The earthquake , also , which is but another manifestation of volcanic agency , is ever breaking up the rocky crust - here ...
... volcanoes are ever throwing out from the same interior showers of dust and ashes , and masses of molten lava . The earthquake , also , which is but another manifestation of volcanic agency , is ever breaking up the rocky crust - here ...
Page 26
... of mud and sand laid down in water , every shower of ashes or sheet of lava ejected from a volcano , every stem and twig , every shell and tooth and scale preserved in sediment , forming an 26 THE CRUST WE DWELL UPON .
... of mud and sand laid down in water , every shower of ashes or sheet of lava ejected from a volcano , every stem and twig , every shell and tooth and scale preserved in sediment , forming an 26 THE CRUST WE DWELL UPON .
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...