Earth Sculpture; Or, The Origin of Land-forms |
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Page vii
... Strike - valleys— Forms assumed by a Plateau of Erosion - Various directions of Es- carpments - Synclinal Hills and Anticlinal Hollows - Anticlinal Hills . 44 73 CHAPTER V LAND - FORMS IN REGIONS OF HIGHLY FOLDED vii.
... Strike - valleys— Forms assumed by a Plateau of Erosion - Various directions of Es- carpments - Synclinal Hills and Anticlinal Hollows - Anticlinal Hills . 44 73 CHAPTER V LAND - FORMS IN REGIONS OF HIGHLY FOLDED vii.
Page viii
... FOLDED AND DIS- TURBED STRATA ( continued ) . Structure and Configuration of Plateaux of Erosion - Forms as- sumed under ... Folds -Their origin - How they affect the Surface - Faults of the Colorado region , and of the Great Basin ...
... FOLDED AND DIS- TURBED STRATA ( continued ) . Structure and Configuration of Plateaux of Erosion - Forms as- sumed under ... Folds -Their origin - How they affect the Surface - Faults of the Colorado region , and of the Great Basin ...
Page xi
... Folds 94 30 . 29. Isoclinal Folds Overfold passing into Reversed Fault , or Overthrust 94 95 FIGURE 31. Reversed Fault 32. Single Thrust - plane 33 xi.
... Folds 94 30 . 29. Isoclinal Folds Overfold passing into Reversed Fault , or Overthrust 94 95 FIGURE 31. Reversed Fault 32. Single Thrust - plane 33 xi.
Page xii
... fold 36. Anticlinal Double - fold 37. Diagram of Mountain Flexures 38. Diagram of Anticlinal Mountains 39. Synclinal Valley ... Folds , giving rise to Escarpments and Ridges 56. Structure of the Ardennes ( after Cornet and Briart ) . 57 ...
... fold 36. Anticlinal Double - fold 37. Diagram of Mountain Flexures 38. Diagram of Anticlinal Mountains 39. Synclinal Valley ... Folds , giving rise to Escarpments and Ridges 56. Structure of the Ardennes ( after Cornet and Briart ) . 57 ...
Page 10
... folds or undulations vary considerably in width . In the region represented by Fig . 2 we have an area six miles in ... folds . an equal area , the strata are folded into a series of several anticlines and synclines . In both regions the ...
... folds or undulations vary considerably in width . In the region represented by Fig . 2 we have an area six miles in ... folds . an equal area , the strata are folded into a series of several anticlines and synclines . In both regions the ...
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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