Keywords: The Quarterly journal of the Geological Society of London (14052771316).jpg NEW RAILWAY-CUTTIN AT GUILDFOED <br> 603 <br> beds of flints exclusively only a <br> Tertiary pebble here and there of <br> large size whole or broken with <br> an admixture of broken chalk and <br> also some red-clay beds ; this also <br> occurs in nests or large lumps As <br> the bridge is neared it rests on and <br> against a steep scarp of chalk <br> being almost entirely angular <br> chalk rubble or breccia These are <br> undoubtedly Glacial drifts and <br> the unconformity of the junction <br> with the older sands and gravels is <br> well seen at chain-mark 15 miles <br> 18 chains vide Main Section fig 8 <br> and fig 2 Slight crumpling in the <br> coarsely stratified material does not <br> extend to the beds below ; and all <br> along the north side of the line for <br> about 200 yards W N W toS S E <br> these beds dip low southward <br> thus indicating the continuation of <br> the underlying sands in this direc- <br> tion After passing the bridge the <br> horizontal pure sands are again <br> met with low down on the line and <br> abut against a steep scarp of the <br> solid chalk having a slope of about <br> 20°-22° fig 4 and being the true <br> continuation westward of the old <br> Tertiary clay surface on which <br> these same sands repose already <br> seen uncovered on the west ; but <br> this old chalk-scarp is perfectly <br> clean with no flint-gravel or even <br> chalk-rubble intervening between <br> it and the pure sands thus present- <br> ing an extreme contrast to its sur- <br> face where reached subsequently <br> by the denuding drift Passing off <br> the Chalk at a point 130 yards <br> from the London road the base of <br> the sands is not seen but up to <br> the three-arch bridge at Cross <br> Lanes on the north side of the <br> cutting all is sand ; the chalk scarp <br> They lie at a lower level and are I <br> consider much older than the flint and <br> loam beds that cap the sands west of the <br> new railway-station <br> i m <br> mm <br> mim <br> 5 <br> OR <br> to <br> 55 <br> o <br> o <br> be 36941438 113697 51125 Page 603 Text 40 http //www biodiversitylibrary org/page/36941438 1884 Geological Society of London Biodiversity Heritage Library The Quarterly journal of the Geological Society of London v 40 1884 Geology Periodicals Smithsonian Libraries bhl page 36941438 dc identifier http //biodiversitylibrary org/page/36941438 smithsonian libraries Information field Flickr posted date ISOdate 2014-04-30 Check categories 2015 August 26 CC-BY-2 0 BioDivLibrary https //flickr com/photos/61021753 N02/14052771316 2015-08-26 05 50 51 cc-by-2 0 PD-old-70-1923 The Quarterly journal of the Geological Society of London 1884 Photos uploaded from Flickr by Fæ using a script |