RECORD: Darwin, C. R. n.d. Cauquenes water-lines spread alternations abrupt. CUL-DAR40.77. Edited by John van Wyhe (The Complete Work of Charles Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Transcribed by Christine Chua and John van Wyhe, edited by John van Wyhe 12.2021. RN2
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.
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Cauquenes water-lines spread alternations abrupt with [2 words excised] only slightly porphyritic — S. Hili dark clay-stone porphyries with irregular vesicles amygdaloidal trap — plats porphyry with amg of silex & nests of agate c of Lime — append 2253 p. 15 green-earth.
# Basalt absent # - pebble with coloured bands. concretions = (origin of foreign fragments)
(fragments for different cases) Metamorphic
peroves of rest especially on [illeg] [Qullde] granite
Colour of [illeg]
Singular
Metamorphoses have so often accompany this deep sea [illeg]
Volcanic rocks
=Summary of Porph. breccia=
fragments of compact lava
injected masses not distinguishes latter
(Colours of porphry been same relative as scoriae to have it)
Comparison with P. Desire [illeg]
Dikes not porphry not basalt
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 9 August, 2025