Earth Sculpture; Or, The Origin of Land-forms |
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Page 5
... occupy by far the larger portion of the land - surface , entering abundantly into the composition of low grounds and mountains alike . Most of these derivatives are sedimentary accumula- tions , and very many are charged with the ...
... occupy by far the larger portion of the land - surface , entering abundantly into the composition of low grounds and mountains alike . Most of these derivatives are sedimentary accumula- tions , and very many are charged with the ...
Page 6
... occupying such broad tracts as Brazil , the Canadian uplands , etc. , are of vast antiquity . Crys- talline schistose rocks , with associated granites and other igneous rocks , seem everywhere to underlie the sedimentary fossiliferous ...
... occupying such broad tracts as Brazil , the Canadian uplands , etc. , are of vast antiquity . Crys- talline schistose rocks , with associated granites and other igneous rocks , seem everywhere to underlie the sedimentary fossiliferous ...
Page 7
... , the broad plains that occupy the sites of silted- up lakes , the extensive deltas of such rivers as the Nile , the Po , the Amazon , the Mississippi , the narrow or wide belts of low - lying land which within INTRODUCTORY 7.
... , the broad plains that occupy the sites of silted- up lakes , the extensive deltas of such rivers as the Nile , the Po , the Amazon , the Mississippi , the narrow or wide belts of low - lying land which within INTRODUCTORY 7.
Page 13
... occupy less superficial space . Hence its rocky framework becomes subjected to enormous tan- gential squeezing and compression to which it yields . by bending and folding , by fracture and displacement . Obviously , then , the ...
... occupy less superficial space . Hence its rocky framework becomes subjected to enormous tan- gential squeezing and compression to which it yields . by bending and folding , by fracture and displacement . Obviously , then , the ...
Page 15
... 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 level or gently undulating tracts ...
... 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 level or gently undulating tracts ...
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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