RECORD: Darwin, C. R. (details of soundings taken). (5.1834) CUL-DAR34.118-119 Transcribed by Kees Rookmaaker, edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Transcribed by Kees Rookmaaker, corrections by John van Wyhe 3.2011. 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.

Editorial symbols used in the transcription:
[some text] 'some text' is an editorial insertion
[some text] 'some text' is the conjectured reading of an ambiguous word or passage
[some text] 'some text' is a description of a word or passage that cannot be transcribed
< > word(s) destroyed
<some text> 'some text' is a description of a destroyed word or passage
Text in small red font is a hyperlink or notes added by the editors.

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

See the introduction to the Geological Diary by Gordon Chancellor.


118

12th. May. 1834

a.m.    
10 34 sand or minute shingle
11 33  
p.m.    
1 41  
2 45  
3 48 shingle (porphyry always) 1 7 2 lines long with small Corallium, shells are caught by claws
4 48 do V 2009 specimens
5 53  
8 50  
12 m.night 70  
     
13th
Lat. 51.48. Long: 64.50
a.m.    
8 55 minute shingle do
11 70 do
p.m.    
2 86 do 1/10 to 20th [illeg]
3 7 ? do rather finer
3-28' 71 1/2 do " do
6 70 do fine with few pebbles 1/10 to 1/12th: Echinus vary
8 87 much greater abundance of quartz granules [illeg] more even some: slate granules & some St Julian porph: more like sand:
12 100  
14th
 
a.m.    
3.30 76  
8 100 as above & beneath
12 80  
p.m.    
4 80 Fine grey sand, many very minute black slate. transparent quantity rounded granules
6 68  
8 83 minute shingle. one piece. 3: P.San Julian, commonly fine 1/20 to 1/30th
15
 
a.m.    
3 51 minute shingle 1/40 or 1/50th of
     

118 verso

Capt. King direct

The coast from C. fair weather to Coy inlet [300] cliff land

Then [Coy] coast little & 9 miles N. of C. Virgins

Porph. pebbles between Falklands & Staten —

Soundings between C. Possession & Orange (40 to 50 f ?) very fine & coarse grey sand: quartz slate: some pebbles 2 & 3 to 1/2 inch

119

p.m.    
1.15 52 small granules of quartz with minute shingle of porphyry & slate. orco & scales of mica: occasional little pebble 1/10th of inch
4 50
6 30 ?
7 48
8 51
9.30 49
11 52
16th
5 48
7 42
9 45
     

There were other soundings [illeg] pretty reading to near Cape Virgins: on chart. soundings all sand

The claw four 3 miles from shore brought up much slate, & quartz pebbles 1 or 2 inches long & one or two. —

St Julian. yellow porph. much [alluvium & synoricum] (Blain)

crossing fine between C. Virgins & Sarmientos shoal to the South the water suddenly deepens to between 40 & 50 fathom

119 verso

fathom, again on coming abreast of C. Espiritu Santo shoals again submarine channel & bottom almost entirely slate, 3 or 4 lines long & quartz

On again approaching Sarmiento shoal same soundings but but finer & some very few S. Julian porphyry pebbles

Great variation within few miles shingle 3 & 4 lines, minute pebbles & the finest sand. —

Off C. Espiritu Santo a black muddy bottom (just like interfolding beds at C. Virgins with slate & porphyry many pebbles.

Terebratulae & Spatangus. —


This document has been accessed 1406 times

Return to homepage

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

File last updated 22 March, 2013