Earth Sculpture; Or, The Origin of Land-forms |
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Page 15
... flow across dislocations by which the strata have been shifted up or down for thousands of yards , and in some places we may sit upon rocks which are geologically more than a thousand fathoms below or above those on which we rest our ...
... flow across dislocations by which the strata have been shifted up or down for thousands of yards , and in some places we may sit upon rocks which are geologically more than a thousand fathoms below or above those on which we rest our ...
Page 19
... flow from this incessant energy of the epigene or superficial agents of change . As these agents are often associated in their work , it is sometimes hard , or even impossible , to say which has played the most effective part in the ...
... flow from this incessant energy of the epigene or superficial agents of change . As these agents are often associated in their work , it is sometimes hard , or even impossible , to say which has played the most effective part in the ...
Page 33
... flow . Not infrequently also the subsoils and disintegrated rock - surfaces on steep inclinations collapse and slide into the valleys . Everyone , in short , is familiar with the fact that flooded rivers are invariably muddy , and that ...
... flow . Not infrequently also the subsoils and disintegrated rock - surfaces on steep inclinations collapse and slide into the valleys . Everyone , in short , is familiar with the fact that flooded rivers are invariably muddy , and that ...
Page 34
... flow through countries the superficial formations of which are readily under- mined and washed away , and thus the main stream and its affluents become clouded with sediment . It is in tropical and subtropical latitudes , of course ...
... flow through countries the superficial formations of which are readily under- mined and washed away , and thus the main stream and its affluents become clouded with sediment . It is in tropical and subtropical latitudes , of course ...
Page 35
... flow . In this In this way their chan- nels are gradually deepened and widened . Some of the transported material is held in solution , part is carried in mechanical suspension , and another portion is pushed and rolled forward on the ...
... flow . In this In this way their chan- nels are gradually deepened and widened . Some of the transported material is held in solution , part is carried in mechanical suspension , and another portion is pushed and rolled forward on 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