Earth Sculpture; Or, The Origin of Land-forms |
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Page 12
... the sea- floor have been pushed up from below and converted into dry land . Both changes appear to have taken place . The bed of the sea has sunk from time to time to greater and greater depths , and has thus 12 EARTH SCULPTURE.
... the sea- floor have been pushed up from below and converted into dry land . Both changes appear to have taken place . The bed of the sea has sunk from time to time to greater and greater depths , and has thus 12 EARTH SCULPTURE.
Page 13
James Geikie. time to greater and greater depths , and has thus tended to draw the water away from the surface of what are now continental areas . But if the earth's crust under the ocean has subsided , it has also been elevated within ...
James Geikie. time to greater and greater depths , and has thus tended to draw the water away from the surface of what are now continental areas . But if the earth's crust under the ocean has subsided , it has also been elevated within ...
Page 16
... depths below ground . Among the latter is granite , a rock believed to be of deep - seated origin . Its plutonic character is ... depth in the earth's crust . When this rock is met with over a wide area at the actual surface , therefore ...
... depths below ground . Among the latter is granite , a rock believed to be of deep - seated origin . Its plutonic character is ... depth in the earth's crust . When this rock is met with over a wide area at the actual surface , therefore ...
Page 24
... depth of several inches ; the surfaces peel off , and are rapidly disintegrated and pulverised . Wind then catches up the loose ma- terial and sweeps it away , leaving fresh surfaces ex- posed to the destructive action of insolation ...
... depth of several inches ; the surfaces peel off , and are rapidly disintegrated and pulverised . Wind then catches up the loose ma- terial and sweeps it away , leaving fresh surfaces ex- posed to the destructive action of insolation ...
Page 27
... depth now and again attained by rotted rock testifies likewise to the destructive action of rain - water perco ... depths of a hundred feet and more . In temperate and northern regions , the amount of rotted rock is rarely so great . The ...
... depth now and again attained by rotted rock testifies likewise to the destructive action of rain - water perco ... depths of a hundred feet and more . In temperate and northern regions , the amount of rotted rock is rarely so great . The ...
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Common terms and phrases
accumulation Alpine Alps anticlines basalt base-level basins become beds boulder-clay Carboniferous character cirques cliffs coast-lines coasts configuration Cretaceous crust crustal movements crystalline débris denudation deposits depressions depth detritus direction dislocations drainage elevation epigene epigene action epigene agents eroded escarpments feet fiords flow fluvio-glacial fluvio-glacial deposits folds gently geological structure glacial action glacial erosion glaciers gradually ground-moraines hills hollows horizontal strata ice-flow ice-sheet igneous rocks inclined indented infrequently irregular islands joints kind laccoliths lakes land land-forms land-surface lava less limestone low grounds materials mer de glace modified moraines mountain-chain mountain-valleys mountains névé normal faults Old Red Sandstone outcrops owe their origin plain of erosion plateau regions relatively result ridges rock-basins rock-masses sand Sandstone schistose schists Section sediment slopes Southern Uplands strata streams and rivers superficial surface surface-features synclinal tectonic tend thickness tion tracts traversed underground undulating usually valleys vertical volcanic wind