The BGS Lexicon of Named Rock Units — Result Details
Earnley Sand Formation
| Computer Code: | EA | Preferred Map Code: | Ea |
|---|---|---|---|
| Status Code: | Full | ||
| Age range: | Lutetian Age (GL) — Lutetian Age (GL) | ||
| Lithological Description: | Glauconitic silty sands and sandy silts. | ||
| Definition of Lower Boundary: | Rests on Wittering Formation. Base of formation marked by the transgressive surface overlain by glauconitic silty sands and pebble bed. | ||
| Definition of Upper Boundary: | Overlain by the Marsh Farm Formation. Boundary marked by the upward change from the glauconitic sands of the Earnley Sand Formation to the thin-bedded clays and silts with glauconitic sand laminae of the Marsh Farm Formation. | ||
| Thickness: | 22-25 m. | ||
| Geographical Limits: | Eastern Hampshire Basin. | ||
| Parent Unit: | Bracklesham Group (BRB) | ||
| Previous Name(s): | Earnley 'Division' [Obsolete Name and Code: Use MARF, EA]
(-1518)
Earnley Formation [Obsolete Name and Code: Use EA] (-3381) |
||
| Alternative Name(s): | none recorded or not applicable | ||
| Stratotypes: | |||
| Reference Section | Bracklesham Bay Foreshore. | ||
| Type Section | Seacliffs at Whitecliff Bay, Isle of Wight. | ||
| Reference(s): | |||
| Edwards, R A and Freshney, E C. 1987. Lithostratigraphical classification of the Hampshire Basin Palaeogene Deposits (Reading Formation to Headon Formation) Tertiary Research, Vol.8, 43-73. | |||
| Waters, C N, Smith, K, Hopson, P M, Wilson, D, Bridge, D M, Carney, J N, Cooper, A H, Crofts, R G, Ellison, R A, Mathers, S J, Moorlock, B S P, Scrivener, R C, McMillan, A A, Ambrose, K, Barclay, W J, and Barron, A J M. 2007. Stratigraphical Chart of the United Kingdom: Southern Britain. British Geological Survey, 1 poster. | |||
| Curry, D, King, A D, King, C, and Stinton, F C. 1977. The Bracklesham Beds (Eocene) of Bracklesham Bay and Selsey, Sussex. Proceedings of the Geologists’ Association, Vol. 88, 243-254. | |||
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: | |||
| E315 E331 | |||