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VI.—The Culm-measures at Bude, North Cornwall
Published online by Cambridge University Press: 01 May 2009
Extract
My paper on the Culm-measures at Bude has elicited two communications, from Messrs W. Maynard Hutchings and Alfred Harker, on which I desire to offer a few comments.
I take this opportunity of saying that I am extremely glad to find that the conclusion at which I arrived regarding the impotence of pressure alone to produce metamorphism is in accord with the published views of my friend Mr. J. J. Harris Teall. “Pressure” alone, he states, in a footnote at p. 410 of his valuable work, British Petrography, “produces no effects on rocks—work must be done upon rocks before change takes place.” This footnote escaped my memory at the time of writing my paper, or I should have called attention to it.
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References
page 222 note 1 Min. Mag. vol. vii. p. 201.Google Scholar
page 222 note 2 Nature, vol. xxxvi. p. 91; and Brit. Petrography, pl. 44, fig. 4.
page 222 note 3 Microscopical Physiography, by Iddings, p. 265.
page 222 note 4 Ibid.
page 223 note 1 Nature, vol. xxxyi. p. 91, and plate 44, fig. 3, British Petrography.
page 223 note 1 Page 172, footnote.
page 225 note 1 l.c. p. 343.