NOTE about the "HESSLE TILL"
For a long while there were thought to be 4 Tills or Boulder Clays in the East Riding. Work by Catt and Maddgett established that the deposit thought to be the youngest of the four tills - the "Hessle Till" was in fact the weathering profile of whichever of the tills was exposed. Typically this weathering extends down several metres and produces a deposit that was yellower in colour.
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Old terminology
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now commonly know as
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Hessle Till
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(does not exist)
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Purple Till
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Withernsea Till
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Drab Till
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Skipsea Till
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Basement Till
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Basement Till
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When reading the papers published in Transactions and Field Studies please remember that the Hessle Till DOES NOT EXIST as a valid lithostratigraphic unit.
references -
M Horne 2003. The stratigraphy of Holderness [personal web page]
Madgett P A 1975. Re-interpretation of the Devensian till stratigraphy of Eastern England. Nature, London 253, 103-107.
Madgett P A & Catt J A 1978. Petrography, stratigraphy and weathering of Late Pleistocene tills in East Yorkshire, Lincolnshire and north Norfolk. Proceedings of the Yorkshire Geological Society 42, 55-108.
Marsters 2011. The Quaternary Geology of Holderness Humberside Geologist 15
Whitham, Horne & Rockett 2000 Glacial geology of Dimlington High Cliff Humberside Geologist 13
[Copyright M Horne, December 2012]