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II.—The Structure of Glacier-Ice and its bearing upon Glacier-Motion

Published online by Cambridge University Press:  01 May 2009

R. M. Deeley  and
George Fletcher
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Extract

During last August the writers made a short stay in Switzerland and the Savoy, with a view to examine the structure of the ice of several of the larger glaciers. For this purpose a rough polariscope was used. It was so designed that a sheet of ice about two inches square, made very thin by cutting and melting, could be placed between the polarizer and analyzer. Notwithstanding that the thin slide so prepared, and held between glass plates, melted away rather rapidly, we succeeded in making a number of drawings of sections cut from the ice at different parts of the glacier, and at various angles with the line of motion. In some cases, however, where the structure was very fine-grained, the samples melted away before they could be sketched.

Type
Original Articles
Information
Geological Magazine , Volume 2 , Issue 4 , April 1895 , pp. 152 - 162
Copyright
Copyright © Cambridge University Press 1895

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References

page 152 note 1 Costa, O. G. Ittiol. Foss. Ital.(1853)p. 2Google Scholar. Also described under the names of Macrorhipis Wanger, A. Abh. k. bay. Akad. Wiss. math.-phys. Cl. vol. ix. 1863, (p. 723)Google Scholar, and Attakeopsis (Thiollière, V., Poiss. Foss. Bugey, pt. ii. 1873, p.23).Google Scholar

page 153 note 1 Phil. Mag. February, 1888.

page 153 note 2 Die Gletscher, 1843, p. 10

page 153 note 3 Proceedings of the Royal Society, vol. xliv. p. 333

page 155 note 1 “Theory of Heat,” seventh edition, p. 324.

page 157 note 1 “The Theory of Glaciers,” p.255.

page 159 note 1 “The Theory of Glaciers,” p. 22.

page 159 note 2 Ibid. p. 247.

page 160 note 1 ““On the Plasticity of Glacier and other Ice”James, C. McConnell, M. A., and Dudley, A.. Kidd, Proc. Roy. Soc., vol. xliv. No. 270Google Scholar. Also “On the Plasticity of an Ice Crystal,” by James C. McConnell, M.A., ibid. vol. xlix. No. 299.

page 162 note 1 “Theory of Glacier-Motion,” byDeeley, R. M.Google ScholarF.G.S., Phil. Mag. Feb, 1888.

page 162 note 1 For definition see Maxwell's, “Theory of Heat,” 7th edition, p. 276.Google Scholar