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| Keywords: The Quarterly journal of the Geological Society of London (12684156535).jpg 1852 <br> BROWN UPPER TERTIARIES AT COPFORD <br> 187 <br> ern part of this excavation which is somewhat basin-shaped the <br> yellow clay laminae vary in their dip from S to S E and to nearly E <br> This laminated yellow and blue clay is in my opinion the same as <br> the blue clay of the eastern and western sections which latter is co- <br> extensive with the other beds hereafter mentioned that occupy the <br> site of what appears to have been an ancient freshwater lake being <br> more than a mile in extent from east to west and about three- <br> quarters of a mile in a north and south direction <br> The clay undergoes a process of puddling and washing in a horse- <br> mill preparatory to its being used in brick-making ; and from the <br> debris of these washings various organic remains and rock-fragments <br> have been obtained rolled fragments of chalk rolled and angular <br> flints fragments of Kimmeridge clay and minute fossils from the <br> upper secondary rocks <br> I have formerly noticed the occurrence of fragments of freshwater <br> shells in the upper part of the blue clay No 4 of the Section <br> especially Valval a and opercula of Bithinia ; and on a recent re- <br> Fig 2 Metacarpal of large Bear from Copford <br> a Upper surface <br> b Proximal articular surface <br> c Lateral view 35461193 109911 51125 Page 187 Text v 8 http //www biodiversitylibrary org/page/35461193 1852 Geological Society of London NameFound Bithinia NameConfirmed Bithinia NameBankID 4091121 Biodiversity Heritage Library The Quarterly journal of the Geological Society of London v 8 1852 Geology Periodicals Smithsonian Libraries bhl page 35461193 dc identifier http //biodiversitylibrary org/page/35461193 smithsonian libraries Information field Flickr posted date ISOdate 2014-02-21 Check categories 2015 August 26 CC-BY-2 0 BioDivLibrary https //flickr com/photos/61021753 N02/12684156535 2015-08-27 11 50 58 cc-by-2 0 PD-old-70-1923 The Quarterly journal of the Geological Society of London 1852 Photos uploaded from Flickr by FĂŚ using a script | ||||
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