Earth Sculpture; Or, The Origin of Land-forms |
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Page viii
... VERTICAL DISPLACEMENTS Normal Faults , general features of - Their connection with Folds -Their origin - How they affect the Surface - Faults of the Colorado region , and of the Great Basin - Depression of the Dead Sea and the Jordan ...
... VERTICAL DISPLACEMENTS Normal Faults , general features of - Their connection with Folds -Their origin - How they affect the Surface - Faults of the Colorado region , and of the Great Basin - Depression of the Dead Sea and the Jordan ...
Page 9
... vertical axis . beds are approximately horizontal , but from this point they dip on the right towards B , and on the left in the direction of A. Note further that the angle of inclination is the same on each side of the anticline ; in ...
... vertical axis . beds are approximately horizontal , but from this point they dip on the right towards B , and on the left in the direction of A. Note further that the angle of inclination is the same on each side of the anticline ; in ...
Page 10
... vertical . But folds or undulations may follow each other much more rapidly than is shown in the preceding section . In countries built up of steeply inclined A FIG . 4 . SECTION ACROSS UNSYMMETRICAL ANTICLINES AND SYNCLINES . Upper ...
... vertical . But folds or undulations may follow each other much more rapidly than is shown in the preceding section . In countries built up of steeply inclined A FIG . 4 . SECTION ACROSS UNSYMMETRICAL ANTICLINES AND SYNCLINES . Upper ...
Page 12
... vertical displace- ment of the beds to the extent of , say , 500 feet , for it is obvious that the coal and fireclay ( 8 , 9 ) , and the strata amongst which they lie on the left - hand side , were formerly continuous with the ...
... vertical displace- ment of the beds to the extent of , say , 500 feet , for it is obvious that the coal and fireclay ( 8 , 9 ) , and the strata amongst which they lie on the left - hand side , were formerly continuous with the ...
Page 48
... vertical movements of the crust , typically repre- sented by the dislocations known as normal faults . Normal faults are more or less vertical displacements , often of small amount , but not infrequently very great . Many are vast rents ...
... vertical movements of the crust , typically repre- sented by the dislocations known as normal faults . Normal faults are more or less vertical displacements , often of small amount , but not infrequently very great . Many are vast rents ...
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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