Earth Sculpture; Or, The Origin of Land-forms |
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Page 3
... appears to con- sist mainly of the products of water action . These last are typically represented by such rocks as con- glomerate , sandstone , and shale , which are only more or less ancient sediments , formed and accumulated in the ...
... appears to con- sist mainly of the products of water action . These last are typically represented by such rocks as con- glomerate , sandstone , and shale , which are only more or less ancient sediments , formed and accumulated in the ...
Page 6
... appear at the sur- face over such extensive areas as those just referred Nevertheless , they are widely distributed , and now and again overspread continuously vast regions . The enormous tract that extends from the Great Lakes of North ...
... appear at the sur- face over such extensive areas as those just referred Nevertheless , they are widely distributed , and now and again overspread continuously vast regions . The enormous tract that extends from the Great Lakes of North ...
Page 7
... appears everywhere to underlie the sedimentary fossiliferous formations . FIG . I. SECTION OF HORIZONTAL STRATA . = The upper continuous line , A - B , surface of ground ; the lower continuous line , C - D , = sea- level ; 7 , limestone ...
... appears everywhere to underlie the sedimentary fossiliferous formations . FIG . I. SECTION OF HORIZONTAL STRATA . = The upper continuous line , A - B , surface of ground ; the lower continuous line , C - D , = sea- level ; 7 , limestone ...
Page 11
... appears to be inverted . From the fact that strata are generally inclined from the horizontal , and frequently curved and folded , it is obvious that they have been subjected to the action of some great disturbing force , for folding ...
... appears to be inverted . From the fact that strata are generally inclined from the horizontal , and frequently curved and folded , it is obvious that they have been subjected to the action of some great disturbing force , for folding ...
Page 12
... areas of the sea- floor have been pushed up from below and converted into dry land . Both changes appear to have taken place . The bed of the sea has sunk from time to time to greater and greater depths , and has thus 12 EARTH SCULPTURE.
... areas of the sea- floor have been pushed up from below and converted into dry land . Both changes appear to have taken place . The bed of the sea has sunk from time to time to greater and greater depths , and has thus 12 EARTH SCULPTURE.
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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