Cold Ash Quarry
Cold Ash Quarry is a geological Site of Special Scientific Interest north of Newbury in Berkshire. It is a Geological Conservation Review site. The quarry is unique in Britain for the collection of fossil plants and insects which occur in a layer of silt and clay within the Reading Beds. The fossils date to about 60 million years ago. The fossil flora consists of well-preserved angiosperm leaves, in some of these fossils there is evidence of the activity of contemporary leaf-miner insects. This is the only location in Britain at which fossil leaf-miner activity have been discovered. The site is private land with no public access. References Sites of Special Scientific Interest in Berkshire Geological Conservation Review sites