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| Keywords: The Quarterly journal of the Geological Society of London (12683251435).jpg 1856 PLANT - UPPER KEUPER SANDSTONE 371 <br> Fig 1 Section of the Keuper Sandstone on the North-east side of <br> the Railway cutting at Shoulder of Mutton Hill near Leicester <br> 3 Drift with boulders of Syenite c 8 to 10 feet thick <br> 2 Soft white sandstone Middle beds 14 to 1 6 feet <br> Black carbonaceous band with supposed AI cb <br> 1 Thin marly sandstones ' ' Bottom beds ' ' exposed to the depth of about 2 feet <br> Average dip about 5° to the South <br> This shows the middle member from 14 to 16 feet thick It con- <br> tains numerous fragments of pure coal no doubt from the Ashby <br> field On the top are alluvial deposits containing remains of Deer <br> and Ox with nuts leaves and vegetable debris ; and Drift-clay with <br> granitic boulders and detached and worn fossils from the Oolitic <br> Liassic and Carboniferous formations Where the upper surface of <br> the thick soft beds is exposed by the removal of the drift it is found <br> to be very irregular and grooved and is much harder than the mass <br> of the beds which can be rubbed into sand with the fingers and <br> seems to contain lime which has agglutinated the particles of silex <br> strongly together forming in fact a kind of hard skin thus pre- <br> serving the soft sandstone below The upper member I consider to <br> have been here entirely denuded ; and its debris has assisted in form- <br> ing the numerous sand-beds found so abundantly along the river- <br> valley The accompanying section fig 2 p 372 from the Red Clay <br> on the west to the Lias on the east will serve to illustrate this <br> In support of this view I may mention that I have taken many <br> specimens of the thin sandy shales containing the Annelid-markings <br> in the sand- and gravel-pits at a depth of 15 feet from the surface <br> They are shghtly rounded and worn and mingled with rolled Oolitic <br> and Liassic fossils It is obvious that these worn specimens could <br> not have been derived from the lower member of the Keuper Sand- <br> stone ; as that would require the whole of the middle member the <br> thick beds to have been swept away They can only be considered <br> as the remnants of the upper thin sandy shales ; the whole of which <br> appears to have been denuded in this locality ; and from the scored <br> and worn character of its upper surface where exposed a great por- <br> tion of the middle member possibly to the extent of one-half of its <br> original thickness was probably at the same time removed in that <br> case it would bring up the thickness of the middle portion to the <br> standard of the similar member in the Keuper Sandstone of Glou- <br> cestershire and Worcestershire 35338826 109655 51125 Page 371 Text v 12 http //www biodiversitylibrary org/page/35338826 1856 Geological Society of London Biodiversity Heritage Library The Quarterly journal of the Geological Society of London v 12 1856 Geology Periodicals Smithsonian Libraries bhl page 35338826 dc identifier http //biodiversitylibrary org/page/35338826 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 N02/12683251435 2015-08-27 12 00 44 cc-by-2 0 PD-old-70-1923 The Quarterly journal of the Geological Society of London 1856 Photos uploaded from Flickr by FÌ using a script | ||||
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