Rudiments of GeologyW. and R. Chambers, 1845 - 222 páginas |
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Página 3
... Geology is compara- tively of recent growth , it being only within the present century that accurate data have been collected , and those absurd specu- lations respecting the origin of the globe eschewed , which had so long impeded the ...
... Geology is compara- tively of recent growth , it being only within the present century that accurate data have been collected , and those absurd specu- lations respecting the origin of the globe eschewed , which had so long impeded the ...
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David Page. CONTENTS . OBJECTS OF GEOLOGY , GENERAL STRUCTURE AND CONDITIONS OF THE GLOBE- Figure , Density , Temperature , Surface Configuration , Distribution of Land and Water , Constitution of the Ocean , The Atmosphere , Planetary ...
David Page. CONTENTS . OBJECTS OF GEOLOGY , GENERAL STRUCTURE AND CONDITIONS OF THE GLOBE- Figure , Density , Temperature , Surface Configuration , Distribution of Land and Water , Constitution of the Ocean , The Atmosphere , Planetary ...
Página 6
... GEOLOGICAL SCIENCE , INDEX , · now living ་ ་ PAGE 101 102 107 120 127 137 143 152 154 157 159 162 · 165 167 168 170 171 175 178 181 186 193 196 202 · 211 217 f.edug The ... GEOLOGY 1. GEOLOGY is that science which treats of 6 CONTENTS .
... GEOLOGICAL SCIENCE , INDEX , · now living ་ ་ PAGE 101 102 107 120 127 137 143 152 154 157 159 162 · 165 167 168 170 171 175 178 181 186 193 196 202 · 211 217 f.edug The ... GEOLOGY 1. GEOLOGY is that science which treats of 6 CONTENTS .
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... geology to discover whether they are to be ascribed to the operation of forces similar in kind , but greater in degree , than those above - described ; and whether the plants and animals found petrified ... GEOLOGY . 9 OBJECTS OF GEOLOGY,
... geology to discover whether they are to be ascribed to the operation of forces similar in kind , but greater in degree , than those above - described ; and whether the plants and animals found petrified ... GEOLOGY . 9 OBJECTS OF GEOLOGY,
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... geology is alike varied and ex- tensive . The metals so indispensable to the purposes of civi- lised life are all dug in the shape of ores from the rocky crust , certain metals being found in certain rocks , and in certain positions ...
... geology is alike varied and ex- tensive . The metals so indispensable to the purposes of civi- lised life are all dug in the shape of ores from the rocky crust , certain metals being found in certain rocks , and in certain positions ...
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Rudiments of Geology: For Use in Schools and for Private Instruction ... David Page Sin vista previa disponible - 2018 |
Términos y frases comunes
abundant accumulations agency ammonite ancient appearance argillaceous basalt beds bituminous bones boulders calcareous carbonate carboniferous chalk character chiefly clay clay-slate coal measures coast colour composed composition contain coral crustacea crystalline debris deposits depth derived districts dry land earth elevated England estuaries evidence existing extensive feet felspar fishes fissures formation fossils fragments fresh-water genera geologists geology gigantic globe gneiss granite grauwacke gravel heat hornblende igneous rocks islands lakes layers less lias lignite lime lower magnesian limestone marine marls mass material matter mica mica schist miles mineral mountain limestone nature numerous occupied occur ocean old red sandstone oolite organic remains origin pebbles peculiar period petrifaction plants and animals present produced quartz reefs reptiles rivers sand schist Scotland shales shells shores silt Silurian soil species specimens stone strata stratified structure subterranean surface terraces terrestrial tertiary strata texture thickness tion trees upper valleys vegetable volcanic wealden zoophytes
Pasajes populares
Página 185 - ... invisible. These animals are of a great variety of shapes and sizes, and in such prodigious numbers, that, in a short time, the whole surface of the rock appears to be alive and in motion. The most common...
Página 88 - With regard to the atmosphere, also, we infer, that had it differed materially from its actual condition, it might have so far affected the rays of light that a corresponding difference from the eyes of existing Crustaceans would have been found in the organs on which the impressions of such rays were then received. Regarding light itself, also, we learn, from the resemblance of these most ancient...
Página 185 - ... the tide reaches every day, it is found to be full of worms of different lengths and colours, some being as fine as a thread, and several feet long, of a bright yellow, and sometimes of a blue colour.
Página 192 - Part of the bed of the sea, says Mrs. Graham, remained bare and dry at high water, " with beds of oysters, muscles, and other shells, adhering to the rocks on which they grew, the fish being all dead, and exhaling most offensive effluvia...
Página 185 - The growth of coral appears to cease when the worm is no longer exposed to the washing of the sea. Thus, a reef rises in the form of a cauliflower, till its top has gained the level of the highest tides, above which the worm has no power to advance, and the reef of course no longer extends itself upwards.
Página 243 - Edinburgh," on the Vertical Position and Convolutions of certain Strata, and their relations with Granite, broached that theory of lateral pressure applied by some unknown force outside the area of the foldings themselves, which is still regarded as the best yet originated on...