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| Keywords: The Quarterly journal of the Geological Society of London (13889776637).jpg BOULDEE- CLAYS OF LINCOLNSHIRE <br> 119 <br> if not a cliff of chalk at this place and probably all along the line <br> of rise from the lower plain to the Wold hills <br> At the same time it is clear that the Boulder-clay overrode <br> this cliff-line and buried a considerable portion of the Wold land <br> to the westward A thin outlier caps the high ridge between <br> Hawerby and Wold Newton the summit of which is 382 feet above <br> datum-level ; and the same Boulder-clay occupies the valley-bottom <br> which runs northward from Wold Newton to E-avendale <br> Fig 2 ” Plan of the country near Hatcliffe Scale 1 inch to a mile <br> The ground occupied by Drift is indicated by diagonal shading <br> Kear East Eavendale there is direct continuity between the clay <br> in this valley and that outside the chalk ridge ; and the mapping <br> east of Hatcliffe fig 2 suggests the existence of a cliff-line breached <br> by the battering of ice before or during the deposition of the Boulder- <br> clay From this locality the brown clays are traceable northward <br> by Laceby and Brocklesby to Barrow and Barton-on-Humber <br> Westerly Extension ” From Hessle on the north side of the <br> Humber the so-called Hessle Clay sweeps westwards to North <br> Ferriby and as it is also found on the south side of the river at <br> Barton and near South Ferriby Mr Searles Wood justly concluded <br> that it had once filled the great gap in the Wolds through which <br> the Humber flows But if the Boulder-clay extended through this <br> gap we should certainly expect to find it on the western side of the <br> Wolds both north and south of the Humber at similar low levels <br> Mr Searles Wood could not find it and he suggests some elaborate <br> hypotheses to account for its supposed absence These however <br> are fortunately rendered unnecessary by the simple fact that it is <br> not absent but present in some force both to the southward and <br> westward of South Ferriby It may be seen near Horkstow Bridge <br> 1 mile S W of Ferriby and again in the dyke at the east end of <br> Winterton Holme whence it extends westward to Winterton and <br> thence northward to Winteringham and it probably underlies parts <br> of the alluvium of the Ancholme Along the eastern border of this 37046961 114009 51125 Page 119 Text 41 http //www biodiversitylibrary org/page/37046961 1885 Geological Society of London Biodiversity Heritage Library The Quarterly journal of the Geological Society of London v 41 1885 Geology Periodicals Smithsonian Libraries bhl page 37046961 dc identifier http //biodiversitylibrary org/page/37046961 smithsonian libraries Information field Flickr posted date ISOdate 2014-04-30 Check categories 2015 August 26 CC-BY-2 0 BioDivLibrary https //flickr com/photos/61021753 N02/13889776637 2015-08-26 04 52 49 cc-by-2 0 PD-old-70-1923 The Quarterly journal of the Geological Society of London 1885 Photos uploaded from Flickr by Fæ using a script | ||||
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