Class-book of GeologyMacmillan and Company, 1890 - 516 páginas |
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Página 7
... kinds of marble , granite , mortar , wood , brass , or iron , have been chosen by an architect . But much more important is it to inquire how these various substances have been grouped together so as to form such a building . In like ...
... kinds of marble , granite , mortar , wood , brass , or iron , have been chosen by an architect . But much more important is it to inquire how these various substances have been grouped together so as to form such a building . In like ...
Página 12
... kind of stone , their peculiar time - worn aspect would be found to be so exactly that of the rest of the cliff that probably no one would ever suspect that a mason's tools had once been upon them . From this identity of surface between ...
... kind of stone , their peculiar time - worn aspect would be found to be so exactly that of the rest of the cliff that probably no one would ever suspect that a mason's tools had once been upon them . From this identity of surface between ...
Página 13
... kinds of stone freshly quarried and left to this kind of action are rapidly disintegrated . The rock called shale ( see p . 153 ) is peculiarly liable to decay from this cause . The cliffs into which it sometimes rises show at their ...
... kinds of stone freshly quarried and left to this kind of action are rapidly disintegrated . The rock called shale ( see p . 153 ) is peculiarly liable to decay from this cause . The cliffs into which it sometimes rises show at their ...
Página 14
... kinds of climates , and from various causes , bare surfaces of soil and rock yield to the influences of the atmosphere or weather . The decay thus set in motion is commonly called " weathering . " That it may often be comparatively ...
... kinds of climates , and from various causes , bare surfaces of soil and rock yield to the influences of the atmosphere or weather . The decay thus set in motion is commonly called " weathering . " That it may often be comparatively ...
Página 17
Archibald Geikie. sandstones , sandy soil , or , where these two kinds of rock occur together , they may give rise to ... kind not improbably takes place where forests decay and are replaced by scrub and grass . But the long ...
Archibald Geikie. sandstones , sandy soil , or , where these two kinds of rock occur together , they may give rise to ... kind not improbably takes place where forests decay and are replaced by scrub and grass . But the long ...
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Términos y frases comunes
abundant accumulated acid Ammonites ancient Assistant Master beds BOOK bottom Brachiopods calcareous calcite Cambrian Cambridge carbonate of lime Carboniferous Chapter chiefly clay College containing corals Cretaceous crinoids crystalline crystals decay deposits detritus Devonian earth earth's crust Edited ELEMENTARY Eocene eruptive Europe evidence example extinct fauna Fcap feet fissures fossils genera GEOGRAPHY geological history glacier globe gradually granite gravel GREEK ground Illustrated Jurassic kinds known lakes land lava layers limestone living lower marine marls mass materials Mesozoic mineral Miocene mountains natural occur Old Red Sandstone organic remains original Palæozoic Paleozoic period Permian plants and animals Pliocene present preserved Prof Professor quartz Red Sandstone regions revised rivers rocks sand schists sediment sedimentary sedimentary rocks shales sheets shells siliceous Silurian soil solid sometimes species stone strata structure substance surface terrestrial Tertiary thick trace Triassic upper various vegetation volcanic
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