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" ... might be shown how true his conclusion is — that the effect of pressure on elongated particles, or plates, will be such as he describes it. But while the scales must be regarded as a true cause, I should not ascribe to them a large share in the... "
The Glaciers of the Alps: Being a Narrative of Excursions and Ascents, an ... - Page 437
by John Tyndall - 1860 - 444 pages
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Transactions of the Pharmaceutical Meetings, Volume 16

1857 - 664 pages
...true his conclusion is, that the eflect of pressure on elongated particles or plates will be sucli as he describes it. Nevertheless, while knowing this...cannot accept his explanation of slate-cleavage.. 1 believe that even if these platea of mica were wholly absent, the cleavage of slate-rocks would be...
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The Cambrian Journal, Volume 3

1860 - 394 pages
...with which Mr. Sorby has treated this question, I cannot accept his explanation of slate cleavage. I believe that even if these plates of mica were wholly absent, the cleavage of slate rocks would be much the same as it is at present. "I will not dwell here upon minor facts, —...
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Fragments of Science for Unscientific People: A Series of Detached Essays ...

John Tyndall - 1871 - 436 pages
...should not ascribe to them a large share in the production of the cleavage. I believe that, even if the plates of mica were wholly absent, the cleavage of...slate-rocks would be much the same as it is at present. Here is a mass of pure white wax: it contains no mica particles, no scales of iron, nor any thing analogous...
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Fragments of Science: A Series of Detached Essays, Addresses, and ..., Volume 1

John Tyndall - 1879 - 522 pages
...should not ascribe to them a large share in the production of the cleavage. I believe that even if the plates of mica were wholly absent, the cleavage of...slate-rocks would be much the same as it is at present. Here is a mass of pure white wax : it contains no mica particles, no scales of iron, or anything analogous...
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Fragments of Science: A Series of Detached Essays, Addresses, and ..., Volume 1

John Tyndall - 1892 - 482 pages
...should not ascribe to them a large share in the production of the cleavage. I believe that even if the plates of mica were wholly absent, the cleavage of...slate-rocks would be much the same as it is at present. Here is a mass of pure white wax : it contains no mica particles, no scales of iron, or anything analogous...
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Fragments of Science: A Series of Detached Essays, Addresses, and ..., Volume 1

John Tyndall - 1897 - 448 pages
...should not ascribe to them a large share in the production of the cleavage. I believe that even if the plates of mica were wholly absent, the cleavage of...slate-rocks would be much the same as it is at present. Here is a mass of pure white wax : it contains no mica particles, no scales of iron, or anything analogous...
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Abstract of the Proceedings of the Liverpool Geological Society, Volume 9

Liverpool Geological Society - 1901 - 550 pages
...sceptical as to the importance of the presence of mica, and says in a criticism of Sorby's views : " I cannot accept his explanation of slate-cleavage....slate-rocks would be much the same as it is at present."! * On the Theory of the Origin of Slaty Cleavage. — Phil. Mag., August, 1856. In his Presidential...
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The Evolution of Earth Structure with a Theory of Geomorphic Changes: By T ...

Thomas Mellard Reade - 1903 - 456 pages
...sceptical as to the importance of the presence of mica, and says in a criticism of Sorby's views : ' I cannot accept his explanation of slate-cleavage....plates of mica were wholly absent the cleavage of slate rocks would be much the same as it is at present.' 1 These three views of Sedgwick, Sorby, and...
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English Prose Composition: With Illustrative Examples

Edward Fulton - 1911 - 336 pages
...should not ascribe to them a large share in the production of the cleavage. I believe that even if the plates of mica were wholly absent the cleavage of...slate-rocks would be much the same as it is at present. Here is a mass of pure white wax: it contains no mica particles, no scales of iron, or anything analogous...
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Notices of the Proceedings at the Meetings of the Members of the ..., Volume 2

Royal Institution of Great Britain - 1858 - 600 pages
...mixed up in it ? It will be, he argues, and he argues rightly, to place the plates with their flat surfaces more or less perpendicular to the direction...plates of mica were wholly absent the cleavage of slate rocks would be much the same as it is at present. Here is a mass of pure white wax: there are...
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