The Student's Handbook of Physical GeologyG. Bell, 1892 - 666 pages |
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Page x
... Vertical and Lateral Erosion . Rapidity of Erosion . Instances of River - erosion . CHAPTER IX . - FLUVIATILE AGENCIES . § 2. Glaciers • Formation of Glaciers . Movement . Transport of De- tritus . Erosive Action . Ice - sheets ...
... Vertical and Lateral Erosion . Rapidity of Erosion . Instances of River - erosion . CHAPTER IX . - FLUVIATILE AGENCIES . § 2. Glaciers • Formation of Glaciers . Movement . Transport of De- tritus . Erosive Action . Ice - sheets ...
Page xi
... Vertical Succession . Inter - bedding . Extension and Thinning Out . Groups and Episodes . Current - bed- ding . Current - mark . 273 294 307 326 336 355 • 372 CHAPTER VI . - CONSOLIDATION OF ROCKS . Desiccation . CONTENTS . xi.
... Vertical Succession . Inter - bedding . Extension and Thinning Out . Groups and Episodes . Current - bed- ding . Current - mark . 273 294 307 326 336 355 • 372 CHAPTER VI . - CONSOLIDATION OF ROCKS . Desiccation . CONTENTS . xi.
Page 20
... vertical cut or section through a vol- canic hill , so as to lay open its internal structure from the summit to the ground it rests upon , we should find this structure to be similar to that suggested in the diagram , fig . 2. At the ...
... vertical cut or section through a vol- canic hill , so as to lay open its internal structure from the summit to the ground it rests upon , we should find this structure to be similar to that suggested in the diagram , fig . 2. At the ...
Page 21
... vertical lines are intended to represent the lava - streams which have at different times issued from the crater and rolled down the surface slopes ; the intervening parts , shaded with fine lines and dots , indicate the successive ...
... vertical lines are intended to represent the lava - streams which have at different times issued from the crater and rolled down the surface slopes ; the intervening parts , shaded with fine lines and dots , indicate the successive ...
Page 37
... vertical basaltic dykes which intersect the horizontal beds observable in the broken cliffs of the old crater ( Atrio del Cavallo ) , bear witness , however , that the lava was not so frequently elevated to the summit of the mountain ...
... vertical basaltic dykes which intersect the horizontal beds observable in the broken cliffs of the old crater ( Atrio del Cavallo ) , bear witness , however , that the lava was not so frequently elevated to the summit of the mountain ...
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Common terms and phrases
acid action agencies altered alumina amount anticlinal augite basalt beds blocks bottom calcareous calcite called carbonate of lime carbonic acid chalk channel chemical clay cleavage cliffs coast colour consists coral cracks crystalline crystals currents débris denudation deposits depth described detrition distance district dolerite dykes earth earth's crust Edited elevation erosion eruptions fault feet felspar fissures formation formed fragments Geol Geology glacier glauconite gneiss gradually granite greensand ground hills horizontal hornblende igneous rocks iron island Jukes lakes land lava layers limestone magnesia mass material metamorphic mica miles mineral mountain occur original Orthoclase outcrop oxide particles pebbles planes porphyritic portion pressure produced quartz rain reefs ridge rise river sand sandstone schist shale shells shore side siliceous slope soil solution sometimes stones strata stratified rocks stream structure surface thickness tion tract Translated unconformity valley vertical volcanic