| Computer Code: |
BOSW |
Preferred Map Code: |
notEntered |
| Status Code: |
Full |
| Age range: |
Anglian Stage (QA)
— Anglian Stage (QA) |
| Lithological Description: |
Lacustrine, commonly laminated clays and silts. |
| Definition of Lower Boundary: |
Overlies the Thrussington Till Member (THT). |
| Definition of Upper Boundary: |
Overlain by the Wigston Sand and Gravel Member (WIGS). |
| Thickness: |
It reaches over 25 m in thickness in the Wolvey area [SP 43 87]. |
| Geographical Limits: |
Developed between Market Bosworth and Leicester, extending to Stretton under Fosse in the south (i.e. the area where it is always overlain by Wigston Sand and Gravel (WIGS) or Oadby Till (ODT) members, and where there is no 'Upper Wolston Clay'). Beyond Stretton it passes into the lower leaf of the Wolston Clay Member. |
| Parent Unit: |
Wolston Glacigenic Formation (WOLS)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Section |
Cadeby Pit [SK 435 028]. |
| Reference(s): |
| Bowen, D Q. 1999. A revised correlation of Quaternary deposits in the British Isles. Geological Society Special Report, No. 23. |
| Bridge, D M, Carney, J N, Lawley, R S, and Rushton, A W A. 1998. Geology of the country around Coventry and Nuneaton. Memoir of the British Geological Survey, Sheet 169 (England and Wales). |
| Rice, R J, 1968. The Quaternary deposits of central Leicestershire. Philosophical Transactions of the Royal Society of London, Series A, Vol.262, 459-509. |
| Rice, R J. 1981. The Pleistocene deposits of the area around Croft in South Leicestershire. Philosophical Transactions of the Royal Society of London, Vol.B293, 385-418. |
| Worssam, B C and Old, R A, 1988. Geology of the country around Coalville. Memoir of the British Geological Survey, Sheet 155 (England and Wales) |
| Douglas, T D. 1980. Quaternary deposits of western Leicestershire. Philosophical Transactions of the Royal Society of London, Vol. B288, 259-286. |
| Shotton, F W. 1976. Amplification of the Wolstonian Stage of the British Pleistocene. Geological Magazine, Vol. 113, 241-250. |
| McMillan, A A, Hamblin, R J O, and Merritt, J W. 2011. A lithostratigraphical framework for onshore Quaternary and Neogene (Tertiary) superficial deposits of Great Britain and the Isle of Man. British Geological Survey Research Report, RR/10/03. 343pp. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
| none recorded or not applicable |
