The Student's Handbook of Physical GeologyG. Bell and Sons, 1884 - 514 pages |
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Page 2
... whole circle of physical sciences ; it is only necessary that this knowledge should exist , and be readily accessible , so that the geologist can combine the results obtained by other sciences with his own special observations , and ...
... whole circle of physical sciences ; it is only necessary that this knowledge should exist , and be readily accessible , so that the geologist can combine the results obtained by other sciences with his own special observations , and ...
Page 17
... whole mass of the earth was in a molten or incandescent state , and that it has gradually cooled down to its present condition . Assuming this to be the case , the condition of the earth's interior at the present time must depend upon ...
... whole mass of the earth was in a molten or incandescent state , and that it has gradually cooled down to its present condition . Assuming this to be the case , the condition of the earth's interior at the present time must depend upon ...
Page 18
... whole constituted one rigid body . " Sir W. Thomson has nevertheless expressed his con- currence with Mr. Hopkins ' conclusion that the earth is either solid or possesses so thick a crust as to give it practical solidity . He considers ...
... whole constituted one rigid body . " Sir W. Thomson has nevertheless expressed his con- currence with Mr. Hopkins ' conclusion that the earth is either solid or possesses so thick a crust as to give it practical solidity . He considers ...
Page 22
... . Barren Island , in the Bay of Bengal , is an excellent instance of this form of volcano , as represented in fig . 3 . Here the whole central part of the mountain has been. 22 [ SEC . I. INFLUENCE OF INTERNAL CAUSES .
... . Barren Island , in the Bay of Bengal , is an excellent instance of this form of volcano , as represented in fig . 3 . Here the whole central part of the mountain has been. 22 [ SEC . I. INFLUENCE OF INTERNAL CAUSES .
Page 23
Alfred John Jukes-Browne. Here the whole central part of the mountain has been blown out by one tremendous explosion , the outline which the cone must have originally possessed being indicated by the dotted line . The Peak of Teneriffe ...
Alfred John Jukes-Browne. Here the whole central part of the mountain has been blown out by one tremendous explosion , the outline which the cone must have originally possessed being indicated by the dotted line . The Peak of Teneriffe ...
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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 carbonic acid chalk chemical clay cleavage cliffs coal coast colour consist containing coral cracks crystalline crystals denudation deposits depth described detrition distance district dolerite dykes earth earth's crust elevation erosion excavated fault feet felspar fissures Foraminifera formation formed fragments Geol glacier glauconite gradually granite greensand ground hills horizontal hornblende igneous rocks island joints Jukes lake land lava layers less limestone magnesia mass material matter metamorphic metamorphic rocks mica miles mineral mountain observed occur origin Orthoclase outcrops particles pebbles planes porphyritic portion present pressure produced quartz rain reef river salt sand sandstone shales shells shore side siliceous Silurian slope solid solution sometimes stones strata stratified rocks stream structure sulphate surface synclinal thickness tide tion Trans valley vertical volcanic waves