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| Keywords: The Quarterly journal of the Geological Society of London (13365159755).jpg 202 <br> PROCEEDINGS OF THE GEOLOGICAL SOCIETY DcC 5 <br> Section of Railway Cutting at Brentford <br> 1 Vegetable mould ; 1 foot <br> 2 Brickearth a fine bro'RTiish loam ; 4 feet <br> 3 Fine sand mostly stratified and obliquely la- <br> minated with occasional wavy and irregular <br> veins of small gravel ; 6 feet <br> 4 Sand with light- coloured clay and irregular <br> gravel containing bones ; 6 to 8 inches <br> 5 Ferruginous gravel and sand with patches of <br> clay ; 1 foot <br> 6 Clayey sand and sandy gravel with occasional <br> large flintstones partly ferruginous at the <br> upper part containing bones and shells; 1 <br> to 2 feet <br> 7 Ferruginous sand and gravel ; about 6 inches <br> 8 Light clayey sand and ferruginous gravel with <br> boulders of quartz granite rock with am- <br> monites c also bones c of ox deer <br> c ; 6 to 7 feet <br> London clay <br> third of a mile and presented great variations in the order and rela- <br> tive thickness of the sands and gravel which pass into one another <br> in a very irregular manner <br> No remains were I believe found in the brick earth and sand <br> 2 and 3 ; the sand 3 throughout its whole extent was stratified <br> and obliquely laminated some of the layers being more ferruginous <br> than the others and occasionally interstratified with veins of small <br> gravel ; the ferruginous gravel 5 is of less regular thickness the <br> upper surface being sometimes eroded and the hollows subsequently <br> filled with a coarse greyish sand and light clay 4 containing bones ; <br> the clayey sand 6 also containing bones is the chief depositary of <br> the shells which were generally in a perfect state of preservation the <br> Anodons retaining their usual brown epidermal covering <br> The chief mass of the ferruginous gravel 7 consisted of rounded <br> and angular chalk-flints of various sizes ; but occasionally intermixed <br> with them were a few pebbles and small boulders of other rocks as <br> London clay septaria with Teredince indurated greensand sand rock <br> with ammonites fragments of pyritical ammonites Oxford clay <br> coarse reddish sandstone white quartz granite c <br> The bones although occurring in all the layers below No 3 were <br> most abundant in the lowest stratum ; on one side of the railway a <br> vein of sand containing shells was observed intercalated with this <br> gravel bed Below the gravel bed is the London clay upon which <br> the whole deposit rests but the depth of the clay was variable and <br> not accurately determined 36934053 113689 51125 Page 202 Text v 6 http //www biodiversitylibrary org/page/36934053 1850 Geological Society of London NameFound Ferruginous Biodiversity Heritage Library The Quarterly journal of the Geological Society of London v 6 1850 Geology Periodicals Smithsonian Libraries bhl page 36934053 dc identifier http //biodiversitylibrary org/page/36934053 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 N02/13365159755 2015-08-26 11 50 53 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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