Harefield Pit, Chalk quarry and geological site in Harefield, London Borough of Hillingdon, England.
Description
Harefield Pit is a former chalk extraction site near London that now shows exposed geological layers from different earth periods. The partially filled pit displays a sequence of Upper Chalk, Reading Beds, and London Clay strata on its walls.
History
The quarry began as a commercial chalk extraction site but was later abandoned and protected in 1990 as a scientific reserve. This designation recognized its importance for understanding the geological history of the region.
Culture
Scientists and researchers study the geological layers at Harefield Pit to understand the evolution of Greater London's natural landscape.
Practical
The site is located behind Lovett Road and is currently closed to the public to protect its geological layers and scientific value. Interested visitors should check in advance if guided tours with specialists can be arranged.
Did you know?
The site holds a rare geological feature: it is the only known location for fossilized characeae algae in the Reading Beds of this area. These remains allow researchers to compare the rock formations with similar deposits found elsewhere in Europe.
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