Earth Sculpture; Or, The Origin of Land-forms |
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Page iii
... present attempt to supply a deficiency may not be wholly unaccept- able . In a work addressed more particularly to non - spec- ialists , technical terminology should be employed as sparingly as possible , and I have consequently made ...
... present attempt to supply a deficiency may not be wholly unaccept- able . In a work addressed more particularly to non - spec- ialists , technical terminology should be employed as sparingly as possible , and I have consequently made ...
Page 2
... present and the past which doubtless induced the belief that the earth's crust , after having passed through many revolutions more or less catastrophic in character , had at last become approximately stable - the occasional earthquakes ...
... present and the past which doubtless induced the belief that the earth's crust , after having passed through many revolutions more or less catastrophic in character , had at last become approximately stable - the occasional earthquakes ...
Page 3
... present inquiry , however , it is obvious that we ought , in the first place , to know something about rocks and the mode of their arrange- ment . We must make some acquaintance with the composition and the structure or architecture of ...
... present inquiry , however , it is obvious that we ought , in the first place , to know something about rocks and the mode of their arrange- ment . We must make some acquaintance with the composition and the structure or architecture of ...
Page 5
... present . Again , each individual system is of very variable thickness swelling out here , thinning off there : in some lands being represented by strata many thou- sands of feet in thickness , in others dwindling down to a few yards ...
... present . Again , each individual system is of very variable thickness swelling out here , thinning off there : in some lands being represented by strata many thou- sands of feet in thickness , in others dwindling down to a few yards ...
Page 7
... present pur- pose to know that a pavement of such rocks appears everywhere to underlie the sedimentary fossiliferous formations . FIG . I. SECTION OF HORIZONTAL STRATA . = The upper continuous line , A - B , surface of ground ; the ...
... present pur- pose to know that a pavement of such rocks appears everywhere to underlie the sedimentary fossiliferous formations . FIG . I. SECTION OF HORIZONTAL STRATA . = The upper continuous line , A - B , surface of ground ; 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