Earth Sculpture; Or, The Origin of Land-forms |
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Page ix
... Former Glacial conditions of Northern Europe - Extent of the old Inland Ice - Glacial character of Boulder - clay - Central Region of Glacial Erosion and Peripheral Area of Glacial Accumulation - Fluvio- glacial deposits - Loess ...
... Former Glacial conditions of Northern Europe - Extent of the old Inland Ice - Glacial character of Boulder - clay - Central Region of Glacial Erosion and Peripheral Area of Glacial Accumulation - Fluvio- glacial deposits - Loess ...
Page 1
... former crustal disturbances which almost everywhere stared them in the face . Here they saw mountains . built up of strangely fractured , contorted , and jum- bled rock - masses ; there , again , they encountered the relics of vast ...
... former crustal disturbances which almost everywhere stared them in the face . Here they saw mountains . built up of strangely fractured , contorted , and jum- bled rock - masses ; there , again , they encountered the relics of vast ...
Page 4
... former , therefore , are spoken of as volcanic , the latter as plutonic or hypogene rocks . As it is useful to have some general name for the rocks which owe their origin to the action of epigene agents ( i . e . , the atmosphere ...
... former , therefore , are spoken of as volcanic , the latter as plutonic or hypogene rocks . As it is useful to have some general name for the rocks which owe their origin to the action of epigene agents ( i . e . , the atmosphere ...
Page 64
... former case step - like profiles will abound ; in the latter the ground will likewise ascend in stages , but these will be less accentuated , and may even be in large part replaced by continuous slopes . Again , each flat- topped ...
... former case step - like profiles will abound ; in the latter the ground will likewise ascend in stages , but these will be less accentuated , and may even be in large part replaced by continuous slopes . Again , each flat- topped ...
Page 65
... former state , that of a gently undulating or approximately flat stretch of low - lying land . The cycle of erosion is completed . Thus in the erosion of a plateau of horizontal strata we recognise the following stages :-( 1 ) The ...
... former state , that of a gently undulating or approximately flat stretch of low - lying land . The cycle of erosion is completed . Thus in the erosion of a plateau of horizontal strata we recognise the following stages :-( 1 ) 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