Earth Sculpture; Or, The Origin of Land-forms |
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Page 58
... Mesozoic , and Cainozoic rocks ) , until they are buried at last to a depth of 10,000 feet and more . Now Captain Dutton has shown that this vast thickness of over- lying strata formerly extended throughout the whole Grand Cañon ...
... Mesozoic , and Cainozoic rocks ) , until they are buried at last to a depth of 10,000 feet and more . Now Captain Dutton has shown that this vast thickness of over- lying strata formerly extended throughout the whole Grand Cañon ...
Page 160
... Mesozoic strata of the plateau retain their approximately horizontal po- sition close up to the depression along its eastern margin , while the descent from the west is much less abrupt . But this is only broadly true . When the region ...
... Mesozoic strata of the plateau retain their approximately horizontal po- sition close up to the depression along its eastern margin , while the descent from the west is much less abrupt . But this is only broadly true . When the region ...
Page 163
... Mesozoic strata . In the Vosges the dip of these strata is westerly , while the corresponding rocks in the Black Forest are inclined . towards the east . Between the two ranges , as every- one knows , lies the basin of the upper Rhine ...
... Mesozoic strata . In the Vosges the dip of these strata is westerly , while the corresponding rocks in the Black Forest are inclined . towards the east . Between the two ranges , as every- one knows , lies the basin of the upper Rhine ...
Page 164
... Mesozoic strata ) . yet downthrows in opposite di- rections . As a result of these displacements the Rhenish basin came into existence , while the rock - masses along its margins were pushed up to form the ranges of the Vosges and the ...
... Mesozoic strata ) . yet downthrows in opposite di- rections . As a result of these displacements the Rhenish basin came into existence , while the rock - masses along its margins were pushed up to form the ranges of the Vosges and the ...
Page 165
... Mesozoic strata in the basin of the Rhine shows that these must formerly have extended continuously over the adjacent tracts . Yet they have since been largely denuded away from the higher parts of the Vosges and the Black Forest , so ...
... Mesozoic strata in the basin of the Rhine shows that these must formerly have extended continuously over the adjacent tracts . Yet they have since been largely denuded away from the higher parts of the Vosges and the Black Forest , so ...
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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