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| Keywords: The Quarterly journal of the Geological Society of London (13070942085).jpg PEOCEEDINGS OF THE GEOLOGICAL SOCIETY <br> Jan 9 <br> tlie lower ground between Erith and Crayford and constitutes an <br> unbroken mass which has been worked in many places The two sec- <br> tions I have chosen for this paper are from its southern end near Cray- <br> ford and its northern at Erith and afford a fair example of the rest <br> The first fig 3 is that of the northern side of Stoneham's pit half a <br> mile to the north of Crayford and marked Brickfields on the map <br> Erom it were obtained the wonderful collections of fossil mammals in <br> the possession of Dr SpurreU and Mr Grantham On the west side <br> the Brick-earths abut directly on the Thanet Sand which must have <br> constituted the banks of the river in which the deposits were found <br> At the bottom of the pit is a thick bed Ko 1 of red and grey <br> loam with concretions of carbonate of lime on which rests an <br> irregular layer of pebbles No 2 for the most part black and of <br> Eocene age with greywether pebbles and subangular flints derived <br> directly from the chalk No 3 consists of a sandy-grey and <br> reddish Brick- earth the thinning away of which causes the layer of <br> gravel above No 4 containing shells and mammalian remains to <br> coalesce with No 2 No 4 is composed of subangular and Eocene <br> flints ; it contains calcareous concretions and is in places ferruginous <br> On its top is the principal mammalian bed in the pit No 5 con- <br> sisting of loamy chocolate-coloured Brick-earth full of calcareous con- <br> cretions and shells Above this is 8 feet of fine stratified sands <br> No 6 with an abundance of the usual freshwater shells Eesting <br> unconformably on this is an irregular reddish-sandy contorted stratum <br> No 7 full of large flints both angular and waterworn and of <br> quartz pebbles The confusion of its bedding is a remarkable surface- <br> contrast to the horizontality of the beds below Above this is the <br> son No 8 <br> ” Section at Stonehamh Pit Crayford <br> Surface-soil from 1 to 2 feet <br> Irregular bed of reddish sand with flints and quartz pebbles 4 feet <br> Fine stratified sands 8 feet <br> Loamy chocolate-coloured brick-earth 5 feet <br> Gravel from 1 in to 2 feet <br> Sandy grey and reddish brick-earth 2 feet 6 inches <br> Irregular layer of pebbles from 1 to 2 feet <br> s \ ' Eed and grey loam 10 feet <br> Thanet Sand <br> Chalk <br> In this section also the threefold condition of the beds indicative 36344823 112028 51125 Page 96 Text v 23 http //www biodiversitylibrary org/page/36344823 1867 Geological Society of London Biodiversity Heritage Library The Quarterly journal of the Geological Society of London v 23 1867 Geology Periodicals Smithsonian Libraries bhl page 36344823 dc identifier http //biodiversitylibrary org/page/36344823 smithsonian libraries Information field Flickr posted date ISOdate 2014-03-10 Check categories 2015 August 26 CC-BY-2 0 BioDivLibrary https //flickr com/photos/61021753 N02/13070942085 2015-08-26 14 54 42 cc-by-2 0 PD-old-70-1923 The Quarterly journal of the Geological Society of London 1867 The Quarterly journal of the Geological Society of London 1867 Photos uploaded from Flickr by Fæ using a script | ||||
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