RECORD: Darwin, C. R. n.d. Cross cleavage & conversion of clayslate in gneiss show that original cleavage planes determine mineralogical planes. CUL-DAR42.61. Transcribed by John van Wyhe. Edited 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
NOTE: See record in the Darwin Online manuscript catalogue, enter its Identifier here. Reproduced with the permission of the Syndics of Cambridge University Library and William Huxley Darwin. The volume CUL-DAR42 contains notes for Darwin's book South America (1846).
61
Cross cleavage & conversion of clayslate in gneiss show that original cleavage planes determine mineralogical planes — will shrinking of whole mass determine cleavage = When Glacier cleavage from pulling. = & my volcanic rocks =
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 25 September, 2022