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Examples of boulder clay
boulder clay
A material called boulder clay is deposited on the floor of the valley.
From the en.wikipedia.org
This is overlain with quaternaryglacial drift comprising sand, gravel and boulder clay.
From the en.wikipedia.org
Boulder clay, left from the Ice Age, can usually be found just below the surface-level soil.
From the en.wikipedia.org
Boulder clay is also abundant and moraines cover substantial areas.
From the en.wikipedia.org
The local drift geology is mostly glacial boulder clay, as well as glacial sands and gravel.
From the en.wikipedia.org
The area was covered by ice during the Ice Age and boulder clay deposited as the ice retreated.
From the en.wikipedia.org
The village stands on a plateau of heavy, flat boulder clay soil.
From the edp24.co.uk
The sand and gravel are also classified as a minor aquifer, whilst the boulder clay is a non-aquifer.
From the en.wikipedia.org
The valley bottoms have a thin deposit of boulder clay.
From the en.wikipedia.org
