Earth Sculpture; Or, The Origin of Land-forms |
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Page xii
... Side 62. Normal Fault , with High Ground on Upcast Side . 63. Faults in Queantoweep Valley , Grand Cañon District ( Dutton ) 64. Ranges of the Great Basin ( Hinman , after Gilbert : length of section , 120 miles ) • 65. Section from the ...
... Side 62. Normal Fault , with High Ground on Upcast Side . 63. Faults in Queantoweep Valley , Grand Cañon District ( Dutton ) 64. Ranges of the Great Basin ( Hinman , after Gilbert : length of section , 120 miles ) • 65. Section from the ...
Page 9
... side of the anticline ; in other words , the anticlinal axis ( X - Y ) is vertical . From A to B the distance we shall suppose is six miles . The succeeding section ( Fig . 3 ) we shall take to be of equal length . Here we have a ...
... side of the anticline ; in other words , the anticlinal axis ( X - Y ) is vertical . From A to B the distance we shall suppose is six miles . The succeeding section ( Fig . 3 ) we shall take to be of equal length . Here we have a ...
Page 11
... side , and this to such a de- gree , that here and there upper beds are doubled un- der older beds of the same series of strata ; in other words , the order of succession appears to be inverted . From the fact that strata are generally ...
... side , and this to such a de- gree , that here and there upper beds are doubled un- der older beds of the same series of strata ; in other words , the order of succession appears to be inverted . From the fact that strata are generally ...
Page 12
... side , were formerly continuous with the corresponding beds on the other side of the fault . From the facts now briefly set forth we may draw certain conclusions . In the first place , the extensive geographical range of the derivative ...
... side , were formerly continuous with the corresponding beds on the other side of the fault . From the facts now briefly set forth we may draw certain conclusions . In the first place , the extensive geographical range of the derivative ...
Page 15
... side of the fault , they would occupy the space contained within the dotted lines above the present surface A - B . Such dislocations often interrupt the continuity of the strata in our coal- fields . In such regions we may traverse ...
... side of the fault , they would occupy the space contained within the dotted lines above the present surface A - B . Such dislocations often interrupt the continuity of the strata in our coal- fields . In such regions we may traverse ...
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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