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| Keywords: The Quarterly journal of the Geological Society of London (13204697453).jpg NORTH-WEST OF ENGLAND AND NORTH WALES 103 <br> snbaerial clay and soil capping the whole Below the foot-bridge a <br> section in the same brook shows Boulder-clay overlain by a foxy- <br> brown sand Higher up the Bibble than Bezza Brook and on its left <br> bank where the river with a great sweep cuts into its bank is a <br> very steep section of sandy drift and clay loose and denuded by the <br> river sweeping its base The sand is seen to rest on the Triassic rock <br> just above the level of the river <br> At Bibchester on the right bank of the Eibble some instructive <br> sections are seen ; and here we find a lower bed of a different charac- <br> ter come in gradually developing up to Mitton Bridge where it may <br> be observed in greater force <br> This lower bed A fig 21 consists of rounded boulders and pebbles <br> of Carboniferous sandstones and limestones overlain by a stiff brown <br> clay B ; C is alluvium Not far from this section on the same side <br> Fig 21 ” Section in the left bank of the Bibble near Bibchester <br> So V O-oO o <br> Surface of water <br> A Boulders and pebbles of carboniferous rocks <br> B Stiff brown clay C Alluvium <br> of the river this boulder-drift lies upon a blue Till containing coal- <br> shales <br> This Till has in it oblique bands of a brown clay; above it is a <br> laminated clay an alluvial clay capping the whole <br> On the opposite side or left bank we see a reddish-coloured sand <br> resting upon the irregular surface of the blue Till ; and at another <br> part of the same cliff the blue Till is seen to rest upon curved and <br> distorted shales <br> Below Whalley on the left bank of the Calder before it joins the <br> Eibble a cliff about 10 feet high shows a bed of sand and gravel <br> with Carboniferous-grit boulders and a few Carboniferous-limestone <br> boulders and some of a very fine hard grit Following the Calder <br> on the right bank above Whalley on the road to Padiham there is a <br> sand-pit showing a face of sand 15 feet high unbottomed The sand <br> drift contains few stones ; but bits of coal are distributed through it <br> Further on slips in the road which follows the valley-side show that <br> drift of this nature continues for some distance <br> Near to Padiham by Huntroyde Brook a quarry by the road-side <br> showed reddish-brown clay with a few pebbles the general top-clay <br> of the district lying upon the Carboniferous sandstone rocks <br> Beturning down the Calder at Cock Bridge left bank is a very <br> interesting section Here the rounded-boulder bed B fig 22 con- <br> sisting almost entirely of Carboniferous sandstones is capped with sand <br> mixed with blue argillaceous matter C and it rests upon a very hard 36928684 113681 51125 Page 103 Text 39 http //www biodiversitylibrary org/page/36928684 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 36928684 dc identifier http //biodiversitylibrary org/page/36928684 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 N02/13204697453 2015-08-26 13 53 11 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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