Earth Sculpture; Or, The Origin of Land-forms |
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Page vii
... valleys and Strike - valleys— Forms assumed by a Plateau of Erosion - Various directions of Es- carpments - Synclinal Hills and Anticlinal Hollows - Anticlinal Hills . 44 73 CHAPTER V LAND - FORMS IN REGIONS OF HIGHLY FOLDED vii.
... valleys and Strike - valleys— Forms assumed by a Plateau of Erosion - Various directions of Es- carpments - Synclinal Hills and Anticlinal Hollows - Anticlinal Hills . 44 73 CHAPTER V LAND - FORMS IN REGIONS OF HIGHLY FOLDED vii.
Page 25
... hollows have been worn out in the rocks , and yet these hold no sediment or detritus , but are swept bare . The wind tends , in short , to transport all loose material from the scene of its origin to the borders of the desert . In ...
... hollows have been worn out in the rocks , and yet these hold no sediment or detritus , but are swept bare . The wind tends , in short , to transport all loose material from the scene of its origin to the borders of the desert . In ...
Page 33
... hollows . After exceptionally heavy or long- continued rain this process becomes intensified — fine mud , silt , sand , and grit are swept into the brooks and streams , and the swollen rivers run discoloured to the sea . Similar floods ...
... hollows . After exceptionally heavy or long- continued rain this process becomes intensified — fine mud , silt , sand , and grit are swept into the brooks and streams , and the swollen rivers run discoloured to the sea . Similar floods ...
Page 34
... hollows and depressions . Eventu- ally , however , they are again put in motion , and by direct or circuitous route , as the case may be , find their way into the rivers , and finally come to rest in the ocean . The river - systems of ...
... hollows and depressions . Eventu- ally , however , they are again put in motion , and by direct or circuitous route , as the case may be , find their way into the rivers , and finally come to rest in the ocean . The river - systems of ...
Page 36
... hollow becomes silted up and con- verted into an alluvial flat , through which the silt - laden water winds its way towards the ocean . Reaching that bourn , the current of the river is arrested , and its sediment thrown down . Should ...
... hollow becomes silted up and con- verted into an alluvial flat , through which the silt - laden water winds its way towards the ocean . Reaching that bourn , the current of the river is arrested , and its sediment thrown down . Should ...
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Common terms and phrases
accumulation Alps anticlines basalt base-level basins become beds Carboniferous character cliffs coast-lines cones configuration Cretaceous crust crustal movements crystalline débris denudation deposits depressions depth detritus direction dislocations drainage elevation epigene action epigene agents eroded escarpments eventually feet fiords flexures flow fluvio-glacial deposits folds fracture gently geological structure glacial action glaciers gradually granite ground-moraines Highlands hills hollows horizontal strata ice-sheet igneous rocks inclined indented infrequently irregular islands joints Jura Mountains laccoliths lakes land land-forms land-surface lava less limestone low grounds masses materials Mesozoic modified moraines mountain-chain mountain-valleys mountains normal faults North Old Red Sandstone outcrops owe their origin Permian plain of erosion plateau regions relatively result ridges rock-basins rock-masses sand sandstones schistose schists SECTION sediment shales Silurian slopes Southern Uplands strata streams and rivers superficial surface surface-features synclinal tectonic tend thickness tion tracts traversed underground undulating usually valleys vertical volcanic