Earth Sculpture; Or, The Origin of Land-forms |
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Page vii
... STRATA Various factors determining Earth Sculpture - Influence of Geo- logical Structure and the Character of Rocks in determining the Con- figuration assumed by Horizontal Strata - Plains and Plateaux of Accumulation . PAGE I 18 44 ...
... STRATA Various factors determining Earth Sculpture - Influence of Geo- logical Structure and the Character of Rocks in determining the Con- figuration assumed by Horizontal Strata - Plains and Plateaux of Accumulation . PAGE I 18 44 ...
Page xi
... Strata 6. Section across Unconformable Strata 8. Section and Bird's - eye View of Colorado Plateau ( Powell ) Diagrammatic Section across Colorado Plateau Diagrammatic Section showing Stages of Erosion by a River cutting through ...
... Strata 6. Section across Unconformable Strata 8. Section and Bird's - eye View of Colorado Plateau ( Powell ) Diagrammatic Section across Colorado Plateau Diagrammatic Section showing Stages of Erosion by a River cutting through ...
Page xiii
... Strata 82. Manganese Concretions weathered out of Sandstone , Arabah Mount- ains , Sinai Peninsula ( J. Walther ) . 83. Formation of Sand - dunes 85. Longitudinal Sections of Lake - basins on a true scale 87. Sea - cliff cut in Strata ...
... Strata 82. Manganese Concretions weathered out of Sandstone , Arabah Mount- ains , Sinai Peninsula ( J. Walther ) . 83. Formation of Sand - dunes 85. Longitudinal Sections of Lake - basins on a true scale 87. Sea - cliff cut in Strata ...
Page 8
... strata represented consist of a great series of sandstones and shales with one prominent bed of limestone ( ) at the top . at the top . In this case we cannot doubt that the horizontal bedding is original - that the strata were ...
... strata represented consist of a great series of sandstones and shales with one prominent bed of limestone ( ) at the top . at the top . In this case we cannot doubt that the horizontal bedding is original - that the strata were ...
Page 9
... strata are arranged in the form of a truncated arch , or anticline . At X the X The FIG . 2 . SECTION ACROSS AN ANTICLINE . upper continuous line , A - B , = surface of ground ; the lower continuous line , C - D , = sea- level ; X - Y ...
... strata are arranged in the form of a truncated arch , or anticline . At X the X The FIG . 2 . SECTION ACROSS AN ANTICLINE . upper continuous line , A - B , = surface of ground ; the lower continuous line , C - D , = sea- level ; X - Y ...
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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