Holland-on-Sea Cliff terraces can be attributed to the Anglian glaciation, they provide a fixed point for correlation other Anglian sequences in southern Britain and on the Continent. The site is a short stretch of the slope between the Esplanade and the Promenade, opposite Haven Avenue. No geology is visible. Holland-on-Sea Cliff Holland-on-Sea Cliff is a 0.1 hectare geological Site of Special Scientific Interest in Holland-on-Sea, north-west of Clacton-on-Sea in Essex. It is a Geological Conservation Review site. This site is of great importance in understanding the evolution of the London Basin, and it is the type site for two different gravels. The
Clacton-on-Sea The "Clacton Spear", a wooden (yew) spear found at Clacton in 1911 and dated at 450,000 years ago, is the oldest such spear to have been found in Britain. Great Clacton was founded by the Celts around 100 BC. There are some vague traces of Romans using the Clacton area as a seaside resort. The name Clacton dates from around AD 500, when the area was settled by Saxons. The original name, Claccingaton, means "the village of Clacc's people". The Domesday Book records the village as "Clachintuna". Clacton was repeatedly surveyed by the Army in the Napoleonic Wars as a