The Complete Work of Charles Darwin Online

RECORD: Darwin, C. R. Notebook A: Geology (1837-1839). CUL-DAR127.133, 134. CUL-DAR42.202. 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).

133

case) what would be the chance in sounding over a continent to fall across a hot spring. Hot water would not lie at bottom. — Surely we here have proofs of hot bottom. — Study Bishops Paper. —

Weested told me of some large fresh Water springs off coast of Persia

In Glen Roy paper I show crust yield easily & if easily must be thin: beside mere fracture

134

[sketch]

A Elevation as in Patagonia

B subsidence; be cautious. mud banks & sand. dunes. — in these littoral deposits there probably would be marked line of separation

A Paper by Parrott Mem. Acad. Peters. Science Math. Phy — Nat. t. I. 1831. sur le temp du globe on Volcanos &c worth reading.

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