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| Keywords: The Quarterly journal of the Geological Society of London (13365501125).jpg 1850 WESTON ON THE DILUVIA AND VALLEYS OF BATH 449 <br> is strewed with drift-gravel chiefly derived from No 6 capped by <br> a reconstruction of the London clay which might easily be mistaken <br> P Fig 7 ” Section in Blackheath Cutting <br> 7 feet by 15 feet <br> « a Alluvium b h Drift <br> c c Coloured clay and green sand derived from No 3 with fragmentary shells d from <br> No 4 and pebbles e <br> / Ash-coloured sand with ferruginous lines and concretions <br> for that bed in situ In consequence of this drift the sections made <br> by the stream are of little value though occasionally the stream has <br> worn its way down to the true tertiary substratum <br> Hence the Map cannot give the boundary-lines of the strata with <br> certainty on the low ground ; elsewhere I trust that it will be found <br> to be as correct as the scale permits <br> 3 On the Diluvia and Valleys in the Vicinity o/Bath <br> By Charles Henry Weston Esq F G S <br> Abstract <br> Mr Weston met with beds or considerable masses of chalk-flint di- <br> luvium on the crest of Kingsdown one of the hills forming the <br> eastern side of the Box Valley about five miles from Bath The <br> drift was in situ on the upper portion of the Great Oolite and filled <br> up a trough or gulley With the exception of occasional masses <br> of Great Oolite it consisted entirely of chalk flints with ferruginous <br> clay Some of the flints were rounded and some were brecciated while <br> others although smoothed superficially retained their original forms <br> of polypothecian organization so characteristic of the chalk formation <br> Mr Weston could detect no fossils in this deposit The height of <br> these beds determined by barometrical admeasurement was found to <br> be 545 feet above the level of the river Avon The oolitic rock on <br> which these drift beds are deposited is superficially much hollowed <br> and apparently waterworn ; its stratification is horizontal and it is <br> traversed with superinduced cross joints and fissures In a quarry <br> that had been worked under the hill and contiguous to the bed of 36934320 113689 51125 Page 449 Text v 6 http //www biodiversitylibrary org/page/36934320 1850 Geological Society of London Biodiversity Heritage Library The Quarterly journal of the Geological Society of London v 6 1850 Geology Periodicals Smithsonian Libraries bhl page 36934320 dc identifier http //biodiversitylibrary org/page/36934320 smithsonian libraries Information field Flickr posted date ISOdate 2014-03-23 Check categories 2015 August 26 CC-BY-2 0 BioDivLibrary https //flickr com/photos/61021753 N02/13365501125 2015-08-26 10 54 38 cc-by-2 0 PD-old-70-1923 The Quarterly journal of the Geological Society of London 1850 Photos uploaded from Flickr by Fæ using a script | ||||
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