Earth Sculpture; Or, The Origin of Land-forms |
From inside the book
Results 6-10 of 87
Page 9
... ground ; the lower continuous line , C - D , = sea- level ; X - Y , = vertical axis . beds are approximately horizontal , but from this point they dip on the right towards B , and on the left in the direction of A. Note further that the ...
... ground ; the lower continuous line , C - D , = sea- level ; X - Y , = vertical axis . beds are approximately horizontal , but from this point they dip on the right towards B , and on the left in the direction of A. Note further that the ...
Page 10
... ground ; lower continuous line , C - D , = sea - level ; a a , anticlines ; ss , synclines ; a x , s x , axes of folds . an equal area , the strata are folded into a series of several anticlines and synclines . In both regions the ...
... ground ; lower continuous line , C - D , = sea - level ; a a , anticlines ; ss , synclines ; a x , s x , axes of folds . an equal area , the strata are folded into a series of several anticlines and synclines . In both regions the ...
Page 12
... ground . At f the strata are tra- versed by a fault , which has caused a vertical displace- ment of the beds to the extent of , say , 500 feet , for it is obvious that the coal and fireclay ( 8 , 9 ) , and the strata amongst which they ...
... ground . At f the strata are tra- versed by a fault , which has caused a vertical displace- ment of the beds to the extent of , say , 500 feet , for it is obvious that the coal and fireclay ( 8 , 9 ) , and the strata amongst which they ...
Page 16
... ground . Among the latter is granite , a rock believed to be of deep - seated origin . Its plutonic character is evinced not less by its composition and structure than by its relation to the rock - masses that surround it . Every mass ...
... ground . Among the latter is granite , a rock believed to be of deep - seated origin . Its plutonic character is evinced not less by its composition and structure than by its relation to the rock - masses that surround it . Every mass ...
Page 24
... ground , where , subject to the same grinding action , especially towards the base , they eventually assume the appearance of irregular blocks . supported upon pedestals . Mushroom - shaped rocks and hills of this kind are common in all ...
... ground , where , subject to the same grinding action , especially towards the base , they eventually assume the appearance of irregular blocks . supported upon pedestals . Mushroom - shaped rocks and hills of this kind are common in all ...
Other editions - View all
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