File:The Quarterly journal of the Geological Society of London (12736705873).jpg

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ASSOCIATED ROCKS OF TEE LIZARD DISTRICT.
893
and mineral character of the rock are perfectly distinct. Other
smaller masses, included in the serpentine, will be noticed on the
shore, in some cases indicating by their peculiar jointing that they
Fig. 1. — Irregular Strip of Hornblende Schist caught up by
Serpentine.
A. Hornblende schist. (The parts shaded by fine lines are serpentine.)
have been subjected to heat. Clambering on at the base of the serpen-
tine crags, we enter a small bay with a narrow shore, almost divided
into two by a slight projection. Soon after entering the nearer of these
we pass, at the base of the cliff, two small intrusive gabbro veins,
the nearer at most about two feet thick and branching, the other
about half as much. The rock is dark in colour, partly owing to
staining from the serpentine, and rather coarse. This bay also
exhibits well the relations of the schist and serpentine. The luxu-
riant herbage generally masks actual junctions, except in one place
near the base of the cliff, where the serpentine may be seen gradually
passing across the broken ends of the beds in the schist ; but
without this evidence the relations of the schist and serpentine in the
cliff cannot be wholly explained by faults.
A gabbro vein in thehornblende schist should be noticed; it is about
half a yard thick, and in form a rude rhomboid (fig. 2). It exhibits a

Fig. 2. — Foliated Gabbro Vein in Hornblende Schist at the Balk.
Date
Source https://www.flickr.com/photos/biodivlibrary/12736705873
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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35819088
Item ID
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110705 (Find related Wikimedia Commons images)
Title ID
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51125
Page numbers
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Page 893
BHL Page URL
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https://www.biodiversitylibrary.org/page/35819088
Page type
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Text
Flickr sets
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  • The Quarterly journal of the Geological Society of London. v. 33 (1877).
Flickr tags
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Flickr posted date
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24 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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This image was originally posted to Flickr by BioDivLibrary at https://flickr.com/photos/61021753@N02/12736705873. It was reviewed on 26 August 2015 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-2.0.

26 August 2015

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current18:14, 26 August 2015Thumbnail for version as of 18:14, 26 August 20151,866 × 3,200 (1.11 MB)Fæ (talk | contribs)== {{int:filedesc}} == {{BHL | title = The Quarterly journal of the Geological Society of London. | source = http://www.flickr.com/photos/biodivlibrary/12736705873 | description = ASSOCIATED ROCKS OF TEE LIZARD DISTRICT. <br> 893 <br> and mineral chara...

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