| Computer Code: |
NLE |
Preferred Map Code: |
notEntered |
| Status Code: |
Pending Upgrade |
| Age range: |
Early Pleistocene (QPE)
— Mid Pleistocene (QPM) |
| Lithological Description: |
A terrace deposit of the Sudbury Formation in the Valley of the Upper Thames upstream of Oxford. Introduced by Whiteman and Rose (1992) to include lower parts of the Wilcote Member of Hey (1986), suggested to correspond with the Gerrards Cross Member downstream (Hey, 1986; Sumbler, 1995), but see also the Combe Sand and Gravel Member (CMBE). |
| Definition of Lower Boundary: |
none recorded or not applicable
|
| Definition of Upper Boundary: |
none recorded or not applicable
|
| Thickness: |
none recorded or not applicable
|
| Geographical Limits: |
Valley of the Upper Thames upstream of Oxford. |
| Parent Unit: |
Sudbury Formation (SBRY)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Section |
North Leigh [SP 385 130]. |
| Reference(s): |
| 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. |
| Hey, R W. 1986. A re-examination of the Northern Drift of Oxfordshire. Proceedings of the Geologists' Association, Vol.97, 291-302. |
| Sumbler, M G. 1995. The terraces of the rivers Thame and Thames and their bearing on the chronology of glaciation in central and eastern England. Proceeding of the Geologists' Association, Vol.106, 93-106. |
| Whiteman, C A and Rose, J. 1992. Thames river sediments of the British Early and Middle Pleistocene. Quarterly Science Reviews, Vol.11, 363-375. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
| none recorded or not applicable |
