Earth Sculpture; Or, The Origin of Land-forms |
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Page 49
... inclination is seawards , usually at so low an angle that they often appear to the eye level , or approximately so . This gently sloping surface is an original configuration , for it corresponds with the structure of the various under ...
... inclination is seawards , usually at so low an angle that they often appear to the eye level , or approximately so . This gently sloping surface is an original configuration , for it corresponds with the structure of the various under ...
Page 52
... inclined surface . The origin and present aspect of such recent plains of accumulation are so obvious and so readily accounted for , that it is hardly necessary to do more than cite a few examples . Amongst the most notable are the ...
... inclined surface . The origin and present aspect of such recent plains of accumulation are so obvious and so readily accounted for , that it is hardly necessary to do more than cite a few examples . Amongst the most notable are the ...
Page 53
... inclination is certainly gentle , but a slope of only one degree , if continued for a few miles , will result in a fall of several hundred feet . If a surface be in- clined at an angle of one degree , then for every eleven miles of ...
... inclination is certainly gentle , but a slope of only one degree , if continued for a few miles , will result in a fall of several hundred feet . If a surface be in- clined at an angle of one degree , then for every eleven miles of ...
Page 63
... inclination of the sloping stage above . Hence , as Captain Dutton has clearly shown in his admirable description of the Colorado Cañons , the de- scent of débris from each stage is facilitated , while the weathering of the soft rocks ...
... inclination of the sloping stage above . Hence , as Captain Dutton has clearly shown in his admirable description of the Colorado Cañons , the de- scent of débris from each stage is facilitated , while the weathering of the soft rocks ...
Page 72
... be arid or humid , equable or the reverse - tropical , temperate , or arctic — the same general type of surface- features can always be recognised . CHAPTER IV LAND - FORMS IN REGIONS OF GENTLY INCLINED 72 EARTH SCULPTURE.
... be arid or humid , equable or the reverse - tropical , temperate , or arctic — the same general type of surface- features can always be recognised . CHAPTER IV LAND - FORMS IN REGIONS OF GENTLY INCLINED 72 EARTH SCULPTURE.
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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