Class-book of GeologyMacmillan and Company, 1890 - 516 páginas |
Dentro del libro
Resultados 1-5 de 79
Página xvii
... strata shown to be parts of curves 94. Curved strata ( anticlinal fold ) , near St. Abb's Head 95. Curved strata ( synclinal fold ) near Banff 96. Anticlines and Synclines FIG . 97. Section of folded and crumpled strata forming LIST OF ...
... strata shown to be parts of curves 94. Curved strata ( anticlinal fold ) , near St. Abb's Head 95. Curved strata ( synclinal fold ) near Banff 96. Anticlines and Synclines FIG . 97. Section of folded and crumpled strata forming LIST OF ...
Página xviii
Archibald Geikie. FIG . 97. Section of folded and crumpled strata forming the Grosse Windgälle ( 10,482 feet ) , Canton Uri , Switzerland , showing crumpled and inverted strata ( after Heim ) 98. Distortion of fossils by the shearing of ...
Archibald Geikie. FIG . 97. Section of folded and crumpled strata forming the Grosse Windgälle ( 10,482 feet ) , Canton Uri , Switzerland , showing crumpled and inverted strata ( after Heim ) 98. Distortion of fossils by the shearing of ...
Página 19
... strata are inclined at the angle of the declivity which seldom exceeds 35 ° . — Rain - wash , Brick - earth . On more gentle slopes , even where no bare rock projects into the air , the fall of rain gradually washes down the upper parts ...
... strata are inclined at the angle of the declivity which seldom exceeds 35 ° . — Rain - wash , Brick - earth . On more gentle slopes , even where no bare rock projects into the air , the fall of rain gradually washes down the upper parts ...
Página 102
... was once a vegetable soil , for abundant rootlets can be seen branching FIG . 38. - Volcanic block ejected during the deposition of strata in water . through it . It is overlain by a seam of 102 CHAP . VOLCANOES AND EARTHQUAKES.
... was once a vegetable soil , for abundant rootlets can be seen branching FIG . 38. - Volcanic block ejected during the deposition of strata in water . through it . It is overlain by a seam of 102 CHAP . VOLCANOES AND EARTHQUAKES.
Página 103
... strata depicted in this section , so that there is abundant other evidence of preceding and subsequent volcanic action here ( see Fig . 109 ) . As the fine volcanic dust may be transported by wind for hundreds of miles before reaching ...
... strata depicted in this section , so that there is abundant other evidence of preceding and subsequent volcanic action here ( see Fig . 109 ) . As the fine volcanic dust may be transported by wind for hundreds of miles before reaching ...
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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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