File:The Quarterly journal of the Geological Society of London (14096419983).jpg

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X02
T. MELLARD EEADE ON THE
14. The Drift-deposits of CoLwrN Bat. By T. Mellard Reade,
Esq., C.E., P.G.S. (Eead January 14, 1885.)
In a former paper* I gave a short sketch, of the drift disclosed in
the baliast-pit at Colwyn-Bay station ;' and as in Pebruary of 1884.
I had an opportunity of extending my observations over a larger
area, I now propose to give an account of them.
From Colwyn Head to Ehos Point is a distance of about three
miles; and all along the shore, except where obscured by the Colwyn-
Bay parade or grassed over by the railway company, are to be seen
in cliffs excellent sections of the drift.
This drift, extending backward to the foot of the hills which
sweep in a curve from headland to headland, rests nearly wholly on
the Silurian rocks, representatives of the Wenlock Shale.
Colwyn Head or Penmaen Cliffs, and Bhos Point, are denuded
remnants of the Carboniferous Limestone, and near to each of these
headlands the drift is seen to rest directly on the limestone, there
being no exposure of the underlying Silurians anywhere to be seen
in Colwyn Bay.
Pig. 1. — Section just beyond the Cottage west of the Colwyn-Bay Hotel.
1. Grey Till, packed fiill of stones, partly Silurian Slate and Grits, and Carbo-
niferous Limestone.
2. Cream-coloured Till. 3. Sand. 4. Brown Boulder-clay. 5. Soil.
The surface of the drift is remarkably level, excepting where it
gradually creeps up the hills. Most of the houses in Colwyn Bay
are built upon it. It is crescent-shaped on plan, thinning out to-

  • Drift of N.W. of England and N. Wales, part ii. Quart. Journ. Geol. So8.
vol. xxxix. p. 111.
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Source https://www.flickr.com/photos/biodivlibrary/14096419983
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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37046944
Item ID
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114009 (Find related Wikimedia Commons images)
Title ID
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51125
Page numbers
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Page 102
BHL Page URL
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https://www.biodiversitylibrary.org/page/37046944
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Text
Flickr sets
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  • The Quarterly journal of the Geological Society of London. v. 41 (1885).
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Flickr posted date
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30 April 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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26 August 2015

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current04:29, 26 August 2015Thumbnail for version as of 04:29, 26 August 20151,183 × 2,018 (416 KB)Fæ (talk | contribs)== {{int:filedesc}} == {{BHL | title = The Quarterly journal of the Geological Society of London. | source = http://www.flickr.com/photos/biodivlibrary/14096419983 | description = X02 <br> T. MELLARD EEADE ON THE <br> 14. The Drift-deposits of CoLwrN B...

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