RECORD:Darwin, C. R. Geological diary: Elevation of the plain of the Plazilla (calculations). CUL-DAR35.231 Transcribed by Kees Rookmaaker, edited by John van Wyhe (Darwin Online,

REVISION HISTORY: Transcribed by Kees Rookmaaker 5.2011. RN1

NOTE: This document, part of the largest scientific document composed by Darwin during the voyage of the Beagle, is written mostly in ink. Marginal notes are here integrated into the text.

Darwin saw Plazilla during travel between Valparaiso to Coquimbo, 27 April to 14 May 1835. Mentioned in South America, pp. 35-36.

Editorial symbols used in the transcription:
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Text in small red font is a hyperlink or notes added by the editors.

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

See the introduction to the Geological Diary by Gordon Chancellor.


30.42 — — D 58 = 14° cent

29.306 — do

[calculation] 14 [x] 4.1 [=] 14 + 56. [=] 57.4

20 25 Supposed height of [Corpel] house above level of sea + 00
1059 1054

Height of plain 1054 feet —
Mr Eck — 1049

Mr Blunt house a little beneath ca 1000 feet?

Elevation of the planin of the Plazilla

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Citation: John van Wyhe, editor. 2002-. The Complete Work of Charles Darwin Online. (

File last updated 2 July, 2012