File:The Quarterly journal of the Geological Society of London (12981426454).jpg

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362 PEOCEEDINGS OF THE GEOLOGICAL SOCIETY. .DeC. 1,
many places along the north-western coast of Sutherland and Eoss
to be surmounted by great masses of dull-brown, red, and chocolate-
coloured sandstone and conglomerate (h). This superposition is pecu-
liarly well exhibited in the lofty and pyramidal mountains of Coul-
more, Suilven, Coulbeg, Canisp, and Queenaig. When viewed from
a boat at sea, these relations are precisely as MaccuUoch described
them, and just as they are shown in fig. 1. But whilst their in-
ferior relations were long ago well known, it has only been recently
ascertained, as explained in the Introduction, that, as a whole,
these north-western conglomerates and sandstones lie unconformahly
subjacent to the series of quartz-rocks with fossiliferous limestone
(c^ c^ c^) as well as to the micaceous, gneissose, and chloritic schists
.d) which occupy so large a central portion of the Northern High-
lands.
The conglomerate and sandstones of the North-west Coasts, which
occupy this low position in the geological series, and which have on
the whole a strike from N.IST.E. to S.S.W., are, in truth, similar in
lithological character to the purple and chocolate -coloured grits and
pebble-beds of the Longmynd, which in the earlier days of our
science were termed "Compound Sandstone" by Townson, and
which were subsequently described at some length by myself, when
I first showed that they formed the real base of all the Silurian
series of Shropshire and the adjacent counties (see ^ Silurian System,'
p. 253, pis. 31, 32, and ' Siluria,' new edit. p. 23).
Fig. 2. — Mountains of the West Coast of Sutherland and Boss.
(From ' Siluria,' new edit. p. 198.)
Canisp (2780 ft.). Suilven. Coul-more.
These rocks, as they appear on the coast of Sutherland, have been
so truthfully and poetically described by Hugh Miller (though he

then, like myself, thought they were Old Eed Sandstone), that in
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Source https://www.flickr.com/photos/biodivlibrary/12981426454
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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36161919
Item ID
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111474 (Find related Wikimedia Commons images)
Title ID
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51125
Page numbers
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Page 362
BHL Page URL
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https://www.biodiversitylibrary.org/page/36161919
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Text
Flickr sets
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  • The Quarterly journal of the Geological Society of London. v. 15 (1859).
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Flickr posted date
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7 March 2014
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This file comes from the Biodiversity Heritage Library.

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current14:35, 26 August 2015Thumbnail for version as of 14:35, 26 August 20151,162 × 2,045 (629 KB) (talk | contribs)== {{int:filedesc}} == {{BHL | title = The Quarterly journal of the Geological Society of London. | source = http://www.flickr.com/photos/biodivlibrary/12981426454 | description = 362 PEOCEEDINGS OF THE GEOLOGICAL SOCIETY. .DeC. 1, <br> many places alo...

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