Earth Sculpture; Or, The Origin of Land-forms |
From inside the book
Results 1-5 of 63
Page 4
... latter as plutonic or hypogene rocks . As it is useful to have some general name for the rocks which owe their origin to the action of epigene agents ( i . e . , the atmosphere , terrestrial water , ice , the sea , and life ) , we may ...
... latter as plutonic or hypogene rocks . As it is useful to have some general name for the rocks which owe their origin to the action of epigene agents ( i . e . , the atmosphere , terrestrial water , ice , the sea , and life ) , we may ...
Page 6
... latter are separated by a broadly marked line of demarcation from the schists , granites , etc. , upon which they repose . In other cases the sedimentary rocks become gradually altered as they are traced down- wards , 6 EARTH SCULPTURE.
... latter are separated by a broadly marked line of demarcation from the schists , granites , etc. , upon which they repose . In other cases the sedimentary rocks become gradually altered as they are traced down- wards , 6 EARTH SCULPTURE.
Page 16
... 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 of granite , then ...
... 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 of granite , then ...
Page 20
... latter are confusedly crystalline , the schists show a kind of streaky structure or pseudo - lamination , their constituent minerals being arranged in rudely alternate lenticular layers . Igneous rocks and schists are traversed by ...
... latter are confusedly crystalline , the schists show a kind of streaky structure or pseudo - lamination , their constituent minerals being arranged in rudely alternate lenticular layers . Igneous rocks and schists are traversed by ...
Page 36
... latter becoming more plentiful as the plain - track is approached . In the plain - track the prevailing sediments are fine sand and silt . The amount of material removed by a river de- pends on the volume of the water , the velocity of ...
... latter becoming more plentiful as the plain - track is approached . In the plain - track the prevailing sediments are fine sand and silt . The amount of material removed by a river de- pends on the volume of the water , the velocity of ...
Other editions - View all
Common terms and phrases
accumulation Alpine Alps anticlines basalt base-level basins become beds boulder-clay Carboniferous character cirques cliffs coast-lines coasts configuration Cretaceous crust crustal movements crystalline débris denudation deposits depressions depth detritus direction dislocations drainage elevation epigene epigene action epigene agents eroded escarpments feet fiords flow fluvio-glacial fluvio-glacial deposits folds gently geological structure glacial action glacial erosion glaciers gradually ground-moraines hills hollows horizontal strata ice-flow ice-sheet igneous rocks inclined indented infrequently irregular islands joints kind laccoliths lakes land land-forms land-surface lava less limestone low grounds materials mer de glace modified moraines mountain-chain mountain-valleys mountains névé normal faults Old Red Sandstone outcrops owe their origin plain of erosion plateau regions relatively result ridges rock-basins rock-masses sand Sandstone schistose schists Section sediment slopes Southern Uplands strata streams and rivers superficial surface surface-features synclinal tectonic tend thickness tion tracts traversed underground undulating usually valleys vertical volcanic wind