The local drift geology is mostly glacial boulder clay, as well as glacial sands and gravel.
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The eastern half of the county was covered by glaciers during the Ice Age and has a superficial layer of glacial boulder clays.
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The surface deposits comprise thick peat in the upper reaches, with glacial boulder clay and glacial sand and gravel in the lower parts.
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In south eastern Lancashire hushing was used to extract limestone from the glacial boulder clay so that it could be used to make lime for agriculture, mortar, plaster and limewash.
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The sundial over the door of the meeting house is dated 1753, while a curiosity in the garden is a huge glacial boulder, said to have been deposited from the Lake District following the last ice age.
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The Holderness landscape is dominated by deposits of till, boulder clays and glacial lake clays.
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When the glacier finally retreated they left deep deposits of boulder clay and glacial alluvium behind.
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Glacial gravels and boulder clays cover a great deal of the whole area to the north east of the county and the Upper Chalk itself has been disturbed at Reed and Barley by glaciation.
From the en.wikipedia.org
Surrounding the town is deposits of boulder clay and glacial sand and gravel can be found to the north-west.