Earth Sculpture; Or, The Origin of Land-forms |
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Page 236
... ice . Massive crystalline rocks are perhaps oftener smoothed than shattered ... ice - flow . In such cases the boulder - clay has often been forced in between ... sheet has not infrequently squeezed the rocks into folds and flexures of ...
... ice . Massive crystalline rocks are perhaps oftener smoothed than shattered ... ice - flow . In such cases the boulder - clay has often been forced in between ... sheet has not infrequently squeezed the rocks into folds and flexures of ...
Page 302
... ice - sheet some rocks would yield more readily than others . Some geologists are of opinion that certain rock - basins may be of preglacial origin , and that all the ice did was to plough out the alluvia with which such basins had been ...
... ice - sheet some rocks would yield more readily than others . Some geologists are of opinion that certain rock - basins may be of preglacial origin , and that all the ice did was to plough out the alluvia with which such basins had been ...
Page 310
... ice - sheet . The wild rock - walls of the fiords , mostly ice - worn though they be , are not glacial features . Ice does not carve out cañons . According to Dr. Richter , the remarkable contrast between the deep valleys of the fiords ...
... ice - sheet . The wild rock - walls of the fiords , mostly ice - worn though they be , are not glacial features . Ice does not carve out cañons . According to Dr. Richter , the remarkable contrast between the deep valleys of the fiords ...
Page 314
... ice - sheet which overflowed those islands in whole or in part . It is obvious that the steeper islands - those ... ice , while the tops of others soared above the level of the ice - sheet as Nunatakkr , only their less elevated portions ...
... ice - sheet which overflowed those islands in whole or in part . It is obvious that the steeper islands - those ... ice , while the tops of others soared above the level of the ice - sheet as Nunatakkr , only their less elevated portions ...
Page 378
... ice , and are therefore foreign to the places in which they occur . Eruptive ... sheets of former times ; same as the Swedish osar . Felspars ( Ger . feld , a ... sheet . Foliated rocks : another name for schist and schistose rocks . See ...
... ice , and are therefore foreign to the places in which they occur . Eruptive ... sheets of former times ; same as the Swedish osar . Felspars ( Ger . feld , a ... sheet . Foliated rocks : another name for schist and schistose rocks . See ...
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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