 | Geological Society of Glasgow - Geology - 1888 - 434 pages
...transformation of the mechanical work of compression or of crushing of portions of that shell, which compression and crushings are themselves produced by the more...less free descent of the shell by gravitation, the *See Sir VV. Thomson ou "The Internal Condition of the Earth," Tranxoctions, vol. vi., p. 38. vertical... | |
 | Science - 1874 - 1060 pages
...mechanical work of pressure, or of crushing of portions of that shell ; which compressions and crushings are produced by the more rapid contraction, by cooling,...tangential pressures, and motion, within the thickness of that shell." As regards the modus operandi of this agency, Mallet considers mainly three points, viz... | |
 | Henry Woodward - Geology - 1875 - 510 pages
...locally within the solid shell of our globe, by transformation of the mechanical work of compression or crushing of portions of that shell, which compressions...resolved into tangential pressures and motion within the shell." Mr. Mallet's mode of estimating the amount of heat derivable from crushing a cubic foot of... | |
 | Henry Woodward - Electronic journals - 1875 - 726 pages
...locally within the solid shell of our globe, by transformation of the mechanical work of compression or crushing of portions of that shell, which compressions...resolved into tangential pressures and motion within the shell." Mr. Mallet's mode of estimating the amount of heat derivable from crushing a cubic foot of... | |
 | Sir Norman Lockyer - Electronic journals - 1875 - 870 pages
...locally within the solid shell ot our globe, by transformation of the mechanical work ol compression or crushing of portions of that shell, which compressions...resolved into tangential pressures and motion within the shell." Mr. Mallet's mode of estimating the amount of heat derivable from crushing a cubic foot of... | |
 | Osmond Fisher - Earth - 1881 - 332 pages
...It will therefore be necessary to examine it. The theory is enunciated in the following terms1: — "The heat from which terrestrial volcanic energy is...tangential pressures and motion within the thickness of the shell." As regards the lateral pressure to which Mr Mallet appeals as the cause of compression,... | |
 | James Samuelson, Sir William Crookes - Science - 1882 - 784 pages
...See Quart. Journal Geolog. Hot., xxxvi., p. 331, and Qeol. Mag., Decade II., vol. vi., p. 385. duced locally within the solid shell of our globe by transformation...hotter material of the nucleus beneath that shell." This theory is of the more importance, because, if we admit the hypothesis of a globe solid throughout,... | |
 | Geology - 1882 - 1184 pages
...transformation of the mechanical work of compression, or of crushings of portions of that shell, which are themselves produced by the more rapid contraction...cooling of the hotter material of the nucleus beneath the shell. He was the first to show that there exist all the necessary conditions for the production... | |
 | Royal Society (Great Britain) - Electronic journals - 1887 - 566 pages
...due to the loss of that heat, and is the result of the cooling of our globe. He defines it thus : " The heat from which terrestrial volcanic energy is...consequent more or less free descent of the shell by » Op. dt., pp. 36-7. t Judd's " Volcanoes," pp. 33 and 189. { " Principles of Geology," 10th Edit.,... | |
 | Osmond Fisher - Earth - 1889 - 482 pages
...will therefore be necessary to examine it. The theory was enunciated in the following terms1: — " The heat from which terrestrial volcanic energy is...tangential pressures and motion within the thickness of the shell." As regards the lateral pressure to which Mallet appealed as the cause of compression and... | |
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The heat from which terrestrial volcanic energy is at present derived is produced locally within the solid shell of our globe by transformation of the mechanical work of compression or of crushing of portions of that shell, which compressions and crushings... 
