RECORD: Darwin, C. R. It may be suspected from correlation in range of cleavage with lines of disturbance. (11.1843) CUL-DAR42.55 Transcribed by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Transcribed by John van Wyhe, corrections by Kees Rookmaaker 5.2011. RN1

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Reproduced with the permission of the Syndics of Cambridge University Library and William Huxley Darwin.


55

Novemb 1843

It may be suspected from correlation in range of cleavage with lines of disturbance (& considering lamination of lava volcanic rocks) that due to stretching — great continuity of cleavage not greater than great chains of mountains.— Why then diagonal to horizontal —

Introduce the notion if we follow out analog from lava — cleavage

؟ diagonal between is vertical stretching & a horizontal shrinking [sketch]

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Citation: John van Wyhe, editor. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)

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