File:The Quarterly journal of the Geological Society of London (12684648824).jpg

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1852..
BLOFELD NOTES ON ST. HELENA.
195
being towards the E.N.E. at an
angle- of 5°, we find (p = 9°. This
would bring the line of fault through
the middle of a tolerably long cut-
ting 150 yards off. No trace of
it, however, appears there ; whence
it probably is not of considerable
extent either horizontally or verti-
cally.
About 200 yards from this fault,
and at right angles to its direction,
a line of disturbance runs N.N.W.
and S.S.E. (fig. 3, A). It is marked
by a sudden increase of dip, from
3° to 11°, and by a series of small
faults, greater in amount than the
above-mentioned, but producing no
displacement exceeding 2 feet. It
illustrates, however, the well-known
law of elevation, and is repeated on
a much larger scale at Hornpark,
near Mottingham, where the E. and
W. faults of Lee, Eltham, and
Woolwich are intersected by a great
fault running N. and S.
P.S. Another small reversed fault
has been exposed since the above
paper was read. This also runs
E.N.E., with an angle of fracture of
only 20°, but having the upcast on
the north side, instead of on the
south. A line representing its po-
sition has been introduced into fig. 3,
a little to the north of A. It sup-
plies further evidence of the lateral
pressure above alluded to. .April
16, 1852..
3. Notes on St. Helena. By J. H. Blofeld, Esq., F.G.S.
.Abstract..
In this paper the author briefly noticed the general external charac-
ters of the island and some of its geognostical phsenomena, and more

especially described the conditions under which the fossil shells of
Date
Source https://www.flickr.com/photos/biodivlibrary/12684648824
Author Geological Society of London
Full title
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The Quarterly journal of the Geological Society of London.
Page ID
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35461201
Item ID
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109911 (Find related Wikimedia Commons images)
Title ID
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51125
Page numbers
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Page 195
BHL Page URL
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https://www.biodiversitylibrary.org/page/35461201
Page type
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Text
Flickr sets
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  • The Quarterly journal of the Geological Society of London. v. 8 (1852).
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Flickr posted date
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21 February 2014
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This file comes from the Biodiversity Heritage Library.

This tag does not indicate the copyright status of the attached work. A normal copyright tag is still required. See Commons:Licensing.


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Date/TimeThumbnailDimensionsUserComment
current12:59, 27 August 2015Thumbnail for version as of 12:59, 27 August 20153,200 × 1,773 (994 KB)FlickreviewR 2 (talk | contribs)Replacing image by its original image from Flickr
21:03, 26 August 2015Thumbnail for version as of 21:03, 26 August 20151,773 × 3,200 (1,000 KB) (talk | contribs)== {{int:filedesc}} == {{BHL | title = The Quarterly journal of the Geological Society of London. | source = http://www.flickr.com/photos/biodivlibrary/12684648824 | description = 1852.. <br> BLOFELD NOTES ON ST. HELENA. <br> 195 <br> being towards the...

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