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| Keywords: The Quarterly journal of the Geological Society of London (13204558925).jpg NORTH-WEST OF ENGLAND AND NORTH WALES <br> 105 <br> coloured limestone Scar limestone ; the small ones are angular <br> the larger partially rounded Laminated beds B B are of angular <br> limestone gravel ; it is just like the worn Macadam off a road It <br> contains a larger proportion of dark limestone than the Till it is <br> imbedded in This limestone is fossiliferous whereas that in the <br> Till hardly contains any fossils <br> In fig 24 a shows white Scar limestone partially worn on the sur- <br> face but not glaciated and in steps as shown ; 6 Till similar to A in <br> section fig 23 ; c laminated loamy bed ; d Silurian-grit boulder <br> These boulders of Silurian rock seem to be always at or near the <br> bottom of the Till A very large boulder of this rock was lying <br> loose on the limestone <br> Fig 24 ” Another Section in the Quarries between Houghton <br> and Settle <br> At the Ribblesdale Lime and Quarry Company's quarries at <br> Moughton just in front of the limestone Scar the underlying Silurian <br> slates are well rounded by glacial action over a space 200 yards by <br> 50 yards ; and probably much more rock similarly affected would be <br> seen if the drift were cleared away I traced this glaciated surface <br> to within 20 yards of the limestone Scar ; and it may approach it <br> nearer as the Silurians are covered with drift and quarry debris This <br> is extremely interesting as showing that the Scar has not receded <br> more than 20 yards since a glacier filled Eibblesdale <br> Descending again to the lower lands nearer the sea we find in <br> walking from the bluff on the Eibble above Bezza Brook but below <br> Ribchester towards Blackburn that the drift gets yellow and full <br> of local materials from the Carboniferous sandstones At the <br> base the debris seems to be from the coal-shales The valleys <br> have very steep sloping sides ; and no flats or terraces occur after <br> leaving the Ribble <br> At Preston Mr De Ranee says the Middle Sands occupy a <br> very large area of the town one of these knolls rising to the <br> surface surrounded by the Upper Boulder-clay to the north- <br> west and east ; and he enumerates many of the public buildings <br> that are built on this drift <br> At the south end of this section a second bench showed that the Till <br> was 12 feet deeper than in the section before the limestone rock was reached 36928686 113681 51125 Page 105 Text 39 http //www biodiversitylibrary org/page/36928686 1883 Geological Society of London Biodiversity Heritage Library The Quarterly journal of the Geological Society of London v 39 1883 Geology Periodicals Smithsonian Libraries bhl page 36928686 dc identifier http //biodiversitylibrary org/page/36928686 smithsonian libraries Information field Flickr posted date ISOdate 2014-03-16 Check categories 2015 August 26 CC-BY-2 0 BioDivLibrary https //flickr com/photos/61021753 N02/13204558925 2015-08-26 13 54 19 cc-by-2 0 PD-old-70-1923 The Quarterly journal of the Geological Society of London 1883 Photos uploaded from Flickr by Fæ using a script | ||||
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