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| Keywords: The Quarterly journal of the Geological Society of London (12645774803).jpg 26 <br> PROCEEDINGS OF THE GEOLOGICAL SOCIETY NOV 5 <br> cated by the present position <br> of the deposit any disin- <br> tegrated heavy substances <br> lying lowest <br> In process of time the <br> obstruction at the entrance <br> being removed the water <br> would enter in greater vo- <br> lume and carrying in mud <br> and vegetable matter would <br> then no doubt pass through <br> filtrating media to several <br> points of efflux ” namely <br> springs which in former <br> years were numerous in the <br> lower part of the vale and <br> which are now all cut off <br> Sections ” As the position <br> of the materials in Mr Bol- <br> ton's Section fig 1 would <br> negative the possibility of a <br> cavern there inasmuch as <br> there can be no caverns or <br> cavities in gravely I am com- <br> pelled to question its ac- <br> curacy <br> Besides the information <br> in his own hand-writing <br> obtained from the principal <br> man engaged in sinking the <br> shaft the one particular <br> that gravel and sand are at <br> the top has been corrobo- <br> rated by three other miners <br> The first attempt to sink in <br> this gravel and sand was at <br> the depth of 5 feet obliged <br> to be abandoned it was so <br> full of water ; and the dis- <br> appointment attending that <br> loss of time and labour is <br> well remembered <br> In fig 1 of Mr Bolton's <br> paper two beds of Black <br> Muck with a thin vegeta- <br> ble clay-bed betwixt them <br> are made to lie next upon <br> the limestone in the drift ; <br> whereas I have it on the <br> authority of four of the 35327977 109632 51125 Page 26 Text v 19 http //www biodiversitylibrary org/page/35327977 1863 Geological Society of London Biodiversity Heritage Library The Quarterly journal of the Geological Society of London v 19 1863 Geology Periodicals Smithsonian Libraries bhl page 35327977 dc identifier http //biodiversitylibrary org/page/35327977 smithsonian libraries Information field Flickr posted date ISOdate 2014-02-20 Check categories 2015 August 26 CC-BY-2 0 BioDivLibrary https //flickr com/photos/61021753 N02/12645774803 2015-08-27 11 00 28 cc-by-2 0 PD-old-70-1923 The Quarterly journal of the Geological Society of London 1863 Photos uploaded from Flickr by Fæ using a script | ||||
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