Earth Sculpture; Or, The Origin of Land-forms |
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Page viii
... Configuration - Relatively weak and strong Structures - Stages in the Erosion of a Mountain - chain- Forms assumed under Denudation - Ultimate face of Mountain - chains . CHAPTER VI LAND - FORMS IN REGIONS OF HIGHLY FOLDED AND DIS ...
... Configuration - Relatively weak and strong Structures - Stages in the Erosion of a Mountain - chain- Forms assumed under Denudation - Ultimate face of Mountain - chains . CHAPTER VI LAND - FORMS IN REGIONS OF HIGHLY FOLDED AND DIS ...
Page 2
... configuration of the land . Mountains and valleys belonged to earth's Sturm und Drang period . That wild time had passed away , and now old age , with its lethargy and repose , had supervened . The tumultuous accumula- tions of stony ...
... configuration of the land . Mountains and valleys belonged to earth's Sturm und Drang period . That wild time had passed away , and now old age , with its lethargy and repose , had supervened . The tumultuous accumula- tions of stony ...
Page 3
... configuration of the land has resulted from the action of forces that are still in operation , and by observation and reasoning the history of the various phases in the evolution of surface - features can be unfolded . No doubt the ...
... configuration of the land has resulted from the action of forces that are still in operation , and by observation and reasoning the history of the various phases in the evolution of surface - features can be unfolded . No doubt the ...
Page 13
... configuration of the land was believed to have been impressed upon it by plutonic agency . Indeed , in the case of certain mountain chains , we cannot fail to see that the larger features of such regions often correspond to a con ...
... configuration of the land was believed to have been impressed upon it by plutonic agency . Indeed , in the case of certain mountain chains , we cannot fail to see that the larger features of such regions often correspond to a con ...
Page 14
... configuration do not necessarily correspond . Thus in Fig . I we have a series of pyramidal mount- ains developed in horizontal strata . The slope of the surface , therefore , frequently bears no relation to the " lie " of the beds ...
... configuration do not necessarily correspond . Thus in Fig . I we have a series of pyramidal mount- ains developed in horizontal strata . The slope of the surface , therefore , frequently bears no relation to the " lie " of the beds ...
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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