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| Keywords: The Quarterly journal of the Geological Society of London (12961266163).jpg 1869 <br> WfllTAKER SOUTH-DEVON ' NEW RED <br> 153 <br> masses that little is to be seen below the White Lias until we <br> pass to the west of the great landslip of 1839 at Dowlands The <br> cliff is then clearer and shows a set of evenly-bedded greenish clays <br> with black shales stone-beds and layers of hard marl Rhsetic Beds <br> Here Mr Pengelly found the well-known bone-bed Lower down <br> some of the layers of clay have a reddish colour ; and there is a <br> passage downwards into New Red marl which has greenish layers <br> in its top part The beds rise westward in gentle waves bringing <br> up lower beds in that direction and the green layers decrease in <br> number downwards until at the mouth of the Axe there are but a <br> few thin ones nearly all the marl being of the usual deep red This <br> section therefore shows a passage from the New Eed into the <br> Bhsetic Beds and favours the view that the latter may be classed <br> with the former just as well as with the Lias <br> Leaving out these passage-beds however the red marl of Seaton <br> is the uppermost part of the New Red of the South Devon coast ; <br> and it is I believe the only part that crops out along the cliffs west- <br> ward to Sidmouth where red sandstone rises up from beneath it in <br> the cliff just east of the river As the Greensand rests unconform- <br> ably on the New Red it would be difficult and perhaps impos- <br> sible to measure the thickness of the marl and the more so as the <br> section is much hidden by fallen masses <br> This highest bed of marl does not come down to the sea-level <br> westward of Sidmouth and indeed except for a small patch <br> noticed by Mr Pengelly above the sandstone in Ladraham Bay <br> Fig 1 � View of High Peak from the East <br> 7y <br> h Grreensand overgrown j-ough slope <br> 2 E ed Marl much fui'rowed by streams c <br> 3 Eed Sandstone roughly bedded much less furrowed <br> ends off altogether in about a mile and a half It forms however <br> the greater part of High Peak a fine mass which is a good example <br> of the way cliffs weather from above fig 1 The sandstone at the <br> bottom is able to withstand the direct assault of the sea better than <br> the marl above to resist the gentler attacks of subaerial actions ; the <br> marl is worn away into a number of furrows that mostly end at the <br> top of the sandstone which latter also forms a large isolated rock <br> surrounded by the sea except at low water 36102998 111288 51125 Page 153 Text v 25 http //www biodiversitylibrary org/page/36102998 1869 Geological Society of London Biodiversity Heritage Library The Quarterly journal of the Geological Society of London v 25 1869 Geology Periodicals Smithsonian Libraries bhl page 36102998 dc identifier http //biodiversitylibrary org/page/36102998 smithsonian libraries Information field Flickr posted date ISOdate 2014-03-06 Check categories 2015 August 26 CC-BY-2 0 BioDivLibrary https //flickr com/photos/61021753 N02/12961266163 2015-08-26 15 54 06 cc-by-2 0 PD-old-70-1923 The Quarterly journal of the Geological Society of London 1869 Photos uploaded from Flickr by Fæ using a script | ||||
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