The Student's Handbook of Physical GeologyG. Bell, 1892 - 666 pages |
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Page 18
... vol- canic products are similar all over the world , as if derived from a common source.1 Assuming the existence of a continuous liquid substra- tum , Mr. Fisher adduces physical arguments for supposing that the thickness of the ...
... vol- canic products are similar all over the world , as if derived from a common source.1 Assuming the existence of a continuous liquid substra- tum , Mr. Fisher adduces physical arguments for supposing that the thickness of the ...
Page 32
... vol- canoes stand are similarly filled with molten rock , and are , in fact , the feeders or reservoirs of the volcanic vents . On the cessation of volcanic activity in the district these lava- filled fissures must remain as enormous ...
... vol- canoes stand are similarly filled with molten rock , and are , in fact , the feeders or reservoirs of the volcanic vents . On the cessation of volcanic activity in the district these lava- filled fissures must remain as enormous ...
Page 34
... vol- canic action we have an interesting demonstration in the phenomena exhibited by cooling sulphur during the process of its extraction from soda - residues . The molten sulphur is exposed to a temperature of 262 ° F. and a pressure ...
... vol- canic action we have an interesting demonstration in the phenomena exhibited by cooling sulphur during the process of its extraction from soda - residues . The molten sulphur is exposed to a temperature of 262 ° F. and a pressure ...
Page 39
... Volcanoes , " by J. W. Judd , for illustrations of this and other features of volcanoes . 2 Proc . Geol . Assoc . , vol . xi . ( 1889 ) , p . 169 . Hawaii .-- The Sandwich Islands in the North Pacific are CHAP . III . ] 39 VOLCANOES .
... Volcanoes , " by J. W. Judd , for illustrations of this and other features of volcanoes . 2 Proc . Geol . Assoc . , vol . xi . ( 1889 ) , p . 169 . Hawaii .-- The Sandwich Islands in the North Pacific are CHAP . III . ] 39 VOLCANOES .
Page 58
... ' 992 ' Humboldt's " Voyage , " p . 317 . An 2 Phil . Trans . , 1826 , and Lyell's " Principles , " tenth edition , vol . ii . p . 93 . Speaking of the same earthquake the late Dr. Darwin says 58 [ SEC . I. DYNAMICAL GEOLOGY .
... ' 992 ' Humboldt's " Voyage , " p . 317 . An 2 Phil . Trans . , 1826 , and Lyell's " Principles , " tenth edition , vol . ii . p . 93 . Speaking of the same earthquake the late Dr. Darwin says 58 [ SEC . I. DYNAMICAL GEOLOGY .
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Common terms and phrases
acid action agencies altered alumina amount anticlinal augite basalt beds blocks bottom calcareous calcite called carbonate of lime carbonic acid chalk channel chemical clay cleavage cliffs coast colour consists coral cracks crystalline crystals currents débris denudation deposits depth described detrition distance district dolerite dykes earth earth's crust Edited elevation erosion eruptions fault feet felspar fissures formation formed fragments Geol Geology glacier glauconite gneiss gradually granite greensand ground hills horizontal hornblende igneous rocks iron island Jukes lakes land lava layers limestone magnesia mass material metamorphic mica miles mineral mountain occur original Orthoclase outcrop oxide particles pebbles planes porphyritic portion pressure produced quartz rain reefs ridge rise river sand sandstone schist shale shells shore side siliceous slope soil solution sometimes stones strata stratified rocks stream structure surface thickness tion tract Translated unconformity valley vertical volcanic