MAKE A MEME View Large Image The Quarterly journal of the Geological Society of London (12736190764).jpg LATER TERTIARY GEOLOGY OF EAST ANGELA <br> Ill <br> responds with the level at which the clay was reached in the well <br> at the railway-station it seems to us ...
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Keywords: The Quarterly journal of the Geological Society of London (12736190764).jpg LATER TERTIARY GEOLOGY OF EAST ANGELA <br> Ill <br> responds with the level at which the clay was reached in the well <br> at the railway-station it seems to us that this bed of chalky clay <br> and overlying brick-earth may probably be similar to that occurring <br> in the Yare valley marked a in Sections V and VI and of inter- <br> glacial age ; and if so the beds at Copford from which the late <br> Mr John Brown obtained an extensive collection of the remains of <br> Vertebrata and of land and freshwater Mollusca may possibly be of <br> similar age We are informed by Mr Whitaker that the pits at <br> ApixLeford Bridge were closed when the members of the Geological <br> Survey examined the district but that they found brick-earth in the <br> same part of the valley not far off which yielded remains of fresh- <br> water Mollusca and which they regarded as of Postglacial age In <br> the face of this we feel more hesitation than we otherwise should in <br> identifying the bed at Appleford Bridge with that in the Yare <br> valley ; for the evidence available to guide us to an opinion as to its <br> precise age whatever we regard that as being is it must be con- <br> fessed obscure Section XXIII represents the appearance presented <br> by the section when we examined it <br> Fig 24 ” Section XXIII at Appleford Bridge near Witham <br> a Blue Clay with rolled Chalk identical in appearance with the Upper <br> Glacial of the neighbourhood <br> b Sandy Brick-earth passing down imperceptibly into a <br> c Red sandy gravel passing downwards into yellow sand <br> d Gravelly wash and humus e Water / Talus c <br> It was pointed out by one of us that the highest elevation to <br> which the Middle Glacial attained in East Anglia was about 360 feet <br> at Danbury in Essex the usual limit being between 200 and 250 <br> feet the Upper Glacial overlapping it above these elevations and <br> resting on the older formation direct ; and in Middlesex at Einchley <br> it underlies the Upper Glacial at an elevation somewhat exceeding <br> 300 feet Mr Penning f has made this limit in elevation and this <br> overlap the basis of an argument to prove that the submergence <br> was during the deposit of the Middle Glacial confined to something <br> like the altitude to which this formation ranges The not unfre- <br> quent absence of the deposit however at low elevations within the <br> area over which it usually occurs and its absence over a wide area <br> embracing most of the counties of Cambridge Lincoln Northampton <br> Leicester Rutland Huntingdon and Bedford at elevations far below <br> Geol Mag Feb 1870 <br> t Quart Journ Geol Soc vol xxxii p 194 35818214 110705 51125 Page 111 Text 33 http //www biodiversitylibrary org/page/35818214 1877 Geological Society of London NameFound Mollusca NameConfirmed Mollusca EOLID 2195 NameBankID 230454 NameFound Vertebrata NameConfirmed Vertebrata EOLID 2774383 NameBankID 216533 Biodiversity Heritage Library The Quarterly journal of the Geological Society of London v 33 1877 Geology Periodicals Smithsonian Libraries bhl page 35818214 dc identifier http //biodiversitylibrary org/page/35818214 smithsonian libraries Information field Flickr posted date ISOdate 2014-02-24 Check categories 2015 August 26 CC-BY-2 0 BioDivLibrary https //flickr com/photos/61021753 N02/12736190764 2015-08-26 19 56 45 cc-by-2 0 PD-old-70-1923 The Quarterly journal of the Geological Society of London 1877 Photos uploaded from Flickr by Fæ using a script
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