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Royston Road Gravel Pit, WENDENS AMBO, Uttlesford District, TL49473633, General geological site
Site category: Glacial deposit or feature Site name: Royston Road Gravel Pit Grid reference: TL 4947 3633 Brief description of site: Pit cut into the hillside exposing glacial gravel made up almost entirely of chalk pebbles. In the 1990s the faces showed solution pipes and ice disturbance structures. The pit is very small with only 2.5 metre high faces. The pipes are infilled with darker gravel and are due to localised solution of the chalk pebbles (See Sumbler (1996) for an example of this phenomenon in Oxfordshire). The pipes are analogous to the solution pipes found in the Chalk. The pit is on private land. Access is only permitted with permission of the land owner.
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Reference: Sumbler 1996 (p. 121)
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