The Student's Handbook of Physical Geology |
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Page 42
... altered , but others were gradually drained by the water overflowing and cutting a channel through the barrier . Along the sea - coast huge masses were detached from the cliffs , especially at Scilla and at Gian Greco in the Straits of ...
... altered , but others were gradually drained by the water overflowing and cutting a channel through the barrier . Along the sea - coast huge masses were detached from the cliffs , especially at Scilla and at Gian Greco in the Straits of ...
Page 48
... altered , the rapidity of the current being increased or diminished according to circumstances , and sometimes rivers are diverted from their former channels . An instance of this in South America is mentioned by Dr. Darwin , on the ...
... altered , the rapidity of the current being increased or diminished according to circumstances , and sometimes rivers are diverted from their former channels . An instance of this in South America is mentioned by Dr. Darwin , on the ...
Page 64
... altered , parts being elevated , and parts depressed , so that every portion has in its turn been brought beneath the level of the sea . It is certain , also , that every country is now dry land only because it has been upraised from ...
... altered , parts being elevated , and parts depressed , so that every portion has in its turn been brought beneath the level of the sea . It is certain , also , that every country is now dry land only because it has been upraised from ...
Page 70
... altered In this and the following chapters it is assumed that the student has read some more elementary works on physical geography and geology , such as Geikie's Primers , Sharpe's " Rudiments , " or Jul " School Manual of Geology ...
... altered In this and the following chapters it is assumed that the student has read some more elementary works on physical geography and geology , such as Geikie's Primers , Sharpe's " Rudiments , " or Jul " School Manual of Geology ...
Page 71
... altered and unaltered portions is always clearly defined , but very irregular , because the depth of the former varies much according to local conditions . The same phenomena have been observed in Belgium , where calcareous sands have ...
... altered and unaltered portions is always clearly defined , but very irregular , because the depth of the former varies much according to local conditions . The same phenomena have been observed in Belgium , where calcareous sands have ...
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Common terms and phrases
accumulated acid action alumina amount angles anticlinal augite basalt beds blocks bottom calcareous called carbonate of lime chalk chemical clay cleavage cliffs coal coast colour consist containing coral cracks crystalline crystals deposits depth described detrition distance district dolerite Dolomite dykes earth elevation erosion fault feet felspar fissures Foraminifera formation formed fragments frequently Geol glacier glauconite gradually granite greensand ground hills horizontal hornblende igneous rocks iron island joints Jukes lake land lava layers less Leucite limestone magnesia mass material matter metamorphic metamorphic rocks mica miles mineral mountain occur origin Orthoclase outcrops oxides particles pebbles planes porphyritic portion present pressure produced quartz rain reef river salt sand sandstone shale shells shore side silicate silicate of alumina slope solid solution sometimes stone strata stratified rocks stream structure substances sulphate surface thickness tide tion tuffs valley vertical volcanic waves