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| Keywords: The Quarterly journal of the Geological Society of London (12894882215).jpg 1864 <br> WYATT FLINT IMPLEMENTS AND FOSSIL MAMMALIA <br> 185 <br> the current of the ancient Post- <br> pliocene river had eddied round <br> it depositing a large bed of gravel <br> silt and mud on one flank and <br> subsequently shifting its course <br> The excavation by the railway <br> contractors gave a transverse sec- <br> tion of the deposit; and beds of <br> gravel of the depth stated were <br> shown between the alluvial soil <br> and the Oolitic clay at the base <br> The gravel was similar to that at p§ <br> Biddenham stibangular and com- jjs <br> posed of flint limestone New Red » <br> Sandstone trap and various old g <br> rocks � just such a collection as is f; <br> found in the neighbouring hills of g <br> Boulder-clay; but some of the peb- 1 <br> bles are much rolled The section Q <br> presented none of those contortions <br> of the strata which are so frequently § <br> displayed at Biddenham ; but the hg <br> layers of gravel sand and mud were <br> unusually conformable the con- S <br> stant deposit of the current appa- <br> rently extending over a long period g <br> of time ; while the large quantity of i <br> marginal and land- shells at differ- fc <br> ent depths the marks of vegetable © <br> fibres in the mud and the black g <br> streaks as from decomposed wood �� § <br> indicate a long continuance of this § <br> as a bank or shoal line There § <br> were three very distinct layers of <br> mud; those at the depths of <br> 9 feet and 12 feet from the surface <br> contained an immense number of § <br> land and freshwater Shells A '-§ <br> collection of these I have sub- § <br> mitted to Mr Gwyn Jeffreys who <br> has kindly furnished the following <br> list � In the first layer at the <br> depth of 6 feet were Vdlvata <br> piscinalis V acuminata Pupa <br> marginata Ancylus Jluviatilis <br> Pisidiwn amnicum P fontinale <br> var pulchella var Henslovnana <br> Limncea peregra L truncatula <br> Helix hispida H pulchella Plan- <br> orbis spirorbis Bithynia tentacu- <br> pq <br> xafc--'- <br> S <br> fc s <br> 3 <br> ft <br> Br- <br> « 36089426 111261 51125 Page 185 Text v 20 http //www biodiversitylibrary org/page/36089426 1864 Geological Society of London NameFound Ancylus NameConfirmed Ancylus EOLID 10711852 NameBankID 2687651 NameFound Bithynia NameConfirmed Bithynia EOLID 62757 NameBankID 2683521 NameFound Mammalia NameConfirmed Mammalia EOLID 15503955 NameBankID 2478620 NameFound Pupa fontinale NameConfirmed Piper fontinale NameBankID 10744412 NameFound Pupa marginata NameConfirmed Pupa marginata Draparnaud 1801 Biodiversity Heritage Library The Quarterly journal of the Geological Society of London v 20 1864 Geology Periodicals Smithsonian Libraries bhl page 36089426 dc identifier http //biodiversitylibrary org/page/36089426 smithsonian libraries Information field Flickr posted date ISOdate 2014-03-03 Check categories 2015 August 26 CC-BY-2 0 BioDivLibrary https //flickr com/photos/61021753 N02/12894882215 2015-08-26 16 54 26 cc-by-2 0 PD-old-70-1923 The Quarterly journal of the Geological Society of London 1864 Photos uploaded from Flickr by Fæ using a script | ||||
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