Earth Sculpture; Or, The Origin of Land-forms |
From inside the book
Results 16-20 of 48
Page 77
... Portion of the Island SHOWN IN FIG . 12 . Upper dotted line shows original surface ; e e , outcrops of “ hard ” beds forming escarpments . inclination of the underlying strata ; the plateau is therefore a plateau of erosion . The map ...
... Portion of the Island SHOWN IN FIG . 12 . Upper dotted line shows original surface ; e e , outcrops of “ hard ” beds forming escarpments . inclination of the underlying strata ; the plateau is therefore a plateau of erosion . The map ...
Page 86
... portion of Ayrshire . Here we have a series of hard volcanic rocks ( v2 ) , old lavas , in fact , intercalated between underlying and overlying sedimentary strata - chiefly sandstones and shales . The result is the same as in all the ...
... portion of Ayrshire . Here we have a series of hard volcanic rocks ( v2 ) , old lavas , in fact , intercalated between underlying and overlying sedimentary strata - chiefly sandstones and shales . The result is the same as in all the ...
Page 117
... crosses another portion of the Sandston Zone shown in Fig . 52 . illustrated by Fig . 53 , where we have a series of syn- FIG . 54. SECTION ACROSS THE APPALACHian Ridges of PENNSYLVANIA LAND - FORMS IN HIGHLY FOLDED STRATA 117.
... crosses another portion of the Sandston Zone shown in Fig . 52 . illustrated by Fig . 53 , where we have a series of syn- FIG . 54. SECTION ACROSS THE APPALACHian Ridges of PENNSYLVANIA LAND - FORMS IN HIGHLY FOLDED STRATA 117.
Page 118
... portion of the chain in Pennsylvania shows that this has actually happened , symmetrical synclines having as usual developed into hills , while anticlines have been degraded . Similar evidence might be adduced from many other regions ...
... portion of the chain in Pennsylvania shows that this has actually happened , symmetrical synclines having as usual developed into hills , while anticlines have been degraded . Similar evidence might be adduced from many other regions ...
Page 133
... - east . The north - east sec- tion of the region is traversed by the Tweed , with an easterly to north - easterly course ; while the extreme south - west portion is watered by the Stinchar , LAND - FORMS IN HIGHLY FOLDED STRATA 133.
... - east . The north - east sec- tion of the region is traversed by the Tweed , with an easterly to north - easterly course ; while the extreme south - west portion is watered by the Stinchar , LAND - FORMS IN HIGHLY FOLDED STRATA 133.
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