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| Keywords: The Quarterly journal of the Geological Society of London (12471596084).jpg 1865 <br> WHITAKEE BXrCKlNGHAM CHALK <br> 399 <br> I cannot give the thickness with accuraC3\ I will now give a short <br> account of each beginning with the lowest <br> g Chalk-marl ” A <br> rather brownish-white <br> slightly sandy clayey <br> chalk fissile with stony <br> layers here and there and <br> often with fossils notably <br> fish-scales This is per- <br> haps 80 feet thick and <br> mostly causes a rise of the <br> ground above the sloping <br> plain of the Upper Green- <br> sand <br> / Totfernlioe Stone - <br> At the top of the Chalk- <br> marl in this district there <br> are generally two layers <br> of rathersandy limestone <br> separated by a little marl <br> and which are more dis- <br> tinct further north-east- <br> ward in Bedfordshire <br> where they are each about <br> 3 feet thick One bed is <br> always here present but <br> I did not always see the <br> two This stone mostly <br> yields fossils amongst <br> which Ammonites vai'ians <br> and an Inoceramus are <br> abundant and small <br> hard dark-brown nodules <br> most likely coprolitic it <br> is harder and darker than <br> common chalk and con- <br> tains many small dark <br> grains ; and was once <br> largely quarried for build- <br> ing at Totternhoe where <br> there are plentiful traces <br> of the workings Most <br> of the old churches of the <br> neighbourhood were built <br> in great part of this pe- <br> rishable stone but I be- <br> lieve that its use has been <br> long discontinued <br> Details of the occur- <br> rence of this bed will be <br> given in the ' Gcolo- <br> 2 E 2 34892073 108495 51125 Page 399 Text v 21 http //www biodiversitylibrary org/page/34892073 1865 Geological Society of London NameFound Inoceramus NameConfirmed Inoceramus EOLID 4747366 NameBankID 4205663 Biodiversity Heritage Library The Quarterly journal of the Geological Society of London v 21 1865 Geology Periodicals Smithsonian Libraries bhl page 34892073 dc identifier http //biodiversitylibrary org/page/34892073 smithsonian libraries Information field Flickr posted date ISOdate 2014-02-12 Check categories 2015 August 26 CC-BY-2 0 BioDivLibrary https //flickr com/photos/61021753 N02/12471596084 2015-08-27 09 52 05 cc-by-2 0 PD-old-70-1923 The Quarterly journal of the Geological Society of London 1865 Photos uploaded from Flickr by Fæ using a script | ||||
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