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| Keywords: The Quarterly journal of the Geological Society of London (12511923045).jpg 222 <br> PROCEEDINGS OF THE GEOLOGICAL SOCIETY <br> Silurian System in some cases where the evidence adduced by him- <br> self pointed as it appears to me by a true logical inference to some <br> modification in the naming of the groups Thus he continues to de- <br> signate the May Hill grits by the name Caradoc sandstone though <br> their fossils are almost identical with those of the Wenlock beds In <br> describing the Usk district he has indeed changed the nomenclature <br> and elevated certain beds previously called Caradoc and Llandeilo <br> into the Wenlock period ; and after having done this he adds <br> that here in the Usk district is a second instance more re- <br> markable than that already established on the western side of the <br> Malvern Hills of the deposition of sandstones miaeralogically of the <br> Caradoc type in an ocean filled with the life of the Wenlock <br> period Memoir p 202 <br> Fig 4 Biagram showing a vertical section of the Lower Palceozoic <br> Rocks in the Malverns After Phillips ; Memoir p 51 <br> Old Red Sandstone 13 <br> <br> Downton sandstone <br> Ludlow shales upper <br> Aymestry rock <br> Ludlow shales lower <br> <br> l2 <br> 11 <br> 10 <br> 9 <br> 8 <br> 7 <br> 6 <br> 5 <br> 4 <br> 3 <br> 2 <br> 1 <br> P <br> 1000 feet <br> BJ <br> <br> Woolhope limestone <br> v - ----- <br> ;- <br> 2000 feet <br> Caradoc conglomerate <br> Traps <br> ˘;; ˘ ' ˘ ˘ ˘ ˘;; ; ˘ ˘ ˘ - <br> fcff; <br> 3000 feet <br> m <br> 4000 feet <br> Syenite <br> If the fact be admitted that certain beds at May Hill and the <br> Malverns although mineralogically of the Caradoc type contain <br> In accordance with the views of this paper we should call Nos 4 and 5 by <br> the names May Hill conglomerate and May Hill sandstone 34983335 108767 51125 Page 222 Text v 9 http //www biodiversitylibrary org/page/34983335 1853 Geological Society of London Biodiversity Heritage Library The Quarterly journal of the Geological Society of London v 9 1853 Geology Periodicals Smithsonian Libraries bhl page 34983335 dc identifier http //biodiversitylibrary org/page/34983335 smithsonian libraries Information field Flickr posted date ISOdate 2014-02-14 Check categories 2015 August 26 CC-BY-2 0 BioDivLibrary https //flickr com/photos/61021753 N02/12511923045 2015-08-27 09 56 36 cc-by-2 0 PD-old-70-1923 The Quarterly journal of the Geological Society of London 1853 Photos uploaded from Flickr by FĂŚ using a script | ||||
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