[3] This large quarry is the only surviving exposure of the Cretaceous Cambridge Greensand.

It is overlain by thick sequences of chalk and Totternhoe Stone.

[4] Large parts of the site are a working quarry which is closed to the public, while other areas have been filled in and are now fields which are crossed by footpaths.

[6] In 2012, Cemex confirmed that the plant would be fully closed and demolished.

[7] The site has continued to be used as a landfill, with waste building materials arriving by train.