RECORD: Darwin, C. R. Notebook A: Geology (1837-1839). CUL-DAR127.109, 110. CUL-DAR42.186. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: First transcribed by Kees Rookmaaker and edited by John van Wyhe 7.2009. Text prepared by Christine Chua. 1.2022. RN1

NOTE: See record in the Darwin Online manuscript catalogue, enter its Identifier here. Reproduced with 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).

Darwin, C. R. Notebook A: Geology (1837-1839). CUL-DAR127.

http://darwin-online.org.uk/content/frameset?viewtype=text&itemID=CUL-DAR127.-&pageseq=1


109

Is not common salt more soluble in cold than hot water [insertion:] - especially if very hot under high pressure with respect to formation of salt? — ???

Footsteps in New Red Sandstone look as if a surface deposit.

The case of the shingle in the great Chilian valleys must be profoundly considered if elevation near coast more than at interior effect would be such as present to spread sheet of matter over surface - if elevation then went on at greater rate, not only river would carry further its own matter but would cut wide gorge. leaving cliffs, on each side, such as now exist - caution about action of rivers.

[in margin:] Excess of matter brought down

110

Mention absolute elevation of Patagonian blocks (1200 ft??) Scotland at least 2200.

Jura 4000 feet.

The veins of segregation in Greenstone of Salisbury Craigs well worthy of attention - see Glen Roy Notebook & scraps on Salisbury Craigs. Kept amongst old papers read before societies.

[Glen Roy notebook. (1838) CUL-DAR130]


Return to homepage

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

File last updated 25 September, 2022