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| Keywords: The Quarterly journal of the Geological Society of London (12736039755).jpg THE C0RALL1AN ROCKS OF ENGLAND <br> 371 <br> This happens to to have been one of those places where the acci- <br> dents of distribution were favourable to the accumulation of shells <br> Although no corals have been found the general facies is interco- <br> ralline and presents some analogies with the Urchin -beds of Grim- <br> ston presently to be described Still it must be admitted that the <br> abundance of Ammonites in the bottom beds especially 8 is an <br> exceptional feature in any portion of the Rag with which we are <br> acquainted ; but at the same time it is worthy of note that the cor- <br> date Ammonites quoted from here are of a very peculiar character <br> and that the one called A cawtonensis has some features in common <br> with A alternans <br> The character of the Rag of this portion of the district west of <br> Slingsby however is of the more massive and Coralline type ; and <br> the quarries often afford really fine pictures see fig 21 where <br> the corals and shells and above all the spines of Gidaris flori- <br> gemma larger here than anywhere else weather out in handsome <br> arabesques In the neighbourhood of Slingsby a change seems to be <br> coming on ; the division between the Rag and the Coralline oolite is <br> for a while less pronounced <br> Fig 21 ” Section in the Rag Quarry at Slingsby showing Corals <br> in situ <br> 1 Coralline Oolite <br> 2 Coral Rag <br> Proceeding eastwards from Slingsby towards Malton the Coralline <br> oolite and yet lower beds occupy the country near the road as <br> previously noted and there is very little development of the usual <br> type of Rag to be seen hereabouts Before crossing the Derwent <br> to inspect the last group of Corallian rocks enclosed between its <br> £J B 4 35818500 110705 51125 Page 371 Text 33 http //www biodiversitylibrary org/page/35818500 1877 Geological Society of London NameFound A cawtonensis NameFound Ammonites alternans Biodiversity Heritage Library The Quarterly journal of the Geological Society of London v 33 1877 Geology Periodicals Smithsonian Libraries bhl page 35818500 dc identifier http //biodiversitylibrary org/page/35818500 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 N02/12736039755 2015-08-26 19 53 39 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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