Wessex the ensuing Norman Conquest of England, and as the Norman kings soon did away with the great earldoms of the late Anglo-Saxon period, 1066 marks the extinction of Wessex as a political unit. From the second edition (1989) of the "Oxford English Dictionary": Wessex 1. The name of a kingdom in south-west England in Anglo-Saxon times, used by Thomas Hardy as the name of the county in which his stories are set (corresponding approximately to Dorset, Somerset, Hampshire, and Wiltshire) and since used as a name for south-west England or this part of it. Wessex is often symbolised by a
Wessex Basin Kimmeridge oilfield is an offshore field that was first discovered in the 1950s is the largest in the area and is still in production to this day. Wytch Farm is the major onshore field that entered production during the 1970s. This basin stems from three major source rocks known as the Blue Lias formation with Liassic clays, the Oxford Clay formation, and the Kimmeridge clay formation. Wessex Basin The Wessex Basin is a petroliferous geological area located along the southern coast of England and stretches into the English Channel. The on land area the basin covers comes close to approximately