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| Keywords: The Quarterly journal of the Geological Society of London (12511956503).jpg 124 PROCEEDINGS OF THE GEOLOGICAL SOCIETY Mar 23 <br> The fossiliferous sliale is well exposed in tlie deep cuttings of the <br> River Amiua at this place The fossils are altogether disseminated <br> Fish teeth are frequently found upon the surface of the shale <br> Cercado River Mao Beds of blue shale dip N W by N 5° <br> Fossils disseminated <br> This is merely the name of a locality where a few farm-houses are <br> built upon the banks of the river <br> A short mile southward from the houses up the River Mao the <br> blue shale is exceedingly well displayed in a cliff 200 feet high from <br> the surface of the water which may be termed the main cliff <br> Figs 5 6 <br> Fig 5 Section of the Cliff at Cercado on the River Mao <br> Height 200 feet <br> The summit at A is about 900 feet above the sea-level <br> A <br> ' ' ~- ~ _ ~ -- 5 <br> - n-- - 4 <br> _i ;_-- V 3 <br> / _ - ~ ' ' 1 r ' rbf I Level of the <br> I River Mao <br> 1 alus <br> Fig 6 Section of the Cercado Cliff transvase to Fig 5 at A and <br> of the rising ground inland <br> 5  <br> b5 <br> y Bluish sandy shales fossiliferous <br> 1 10 feet exposed <br> 2 20 feet <br> 3 50 feet <br> 4 90 feet Do without fossils <br> 5 50 feet ArfiUlo-calcareous shale with fossils <br> 6 from 10 to 20 feet Coarse shingle <br> 7 300 feet Tufaceous limestone <br> Dip 5° N W by N <br> The shale is divided by partings or narrow bands a few inches <br> thick; of more compact and hardened materials which stand out in <br> strong relief along its nearly perpendicular front Separate collec- <br> tions of fossils were made from the different beds 34983227 108767 51125 Page 124 Text v 9 http //www biodiversitylibrary org/page/34983227 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 34983227 dc identifier http //biodiversitylibrary org/page/34983227 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 N02/12511956503 2015-08-27 09 53 45 cc-by-2 0 PD-old-70-1923 The Quarterly journal of the Geological Society of London 1853 Photos uploaded from Flickr by FÌ using a script | ||||
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