| Computer Code: |
NBED |
Preferred Map Code: |
notEntered |
| Status Code: |
Pending Upgrade |
| Age range: |
Early Pleistocene (QPE)
— Early Pleistocene (QPE) |
| Lithological Description: |
Gravelly sand with local occurrences of fine-grained organic material. The gravel fraction (bedload sediment) is dominated by flint of local origin, with only a trace of chert from the Weald and far-travelled quartzose rocks from west of the London basin. |
| 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: |
none recorded or not applicable
|
| Parent Unit: |
Dunwich Group (DUNW)
|
| Previous Name(s): |
Pebble Gravel Formation [Obsolete Name And Code: See NBED And STGR]
(PBGR)
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| none recorded or not applicable |
| 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. |
| Rose, J, Moorlock, B S P and Hamblin, R J O. 2001. Pre-Anglian fluvial and coastal deposits in Eastern England: lithostratigraphy and palaeoenvironments. Quaternary International, 79, 5-22. |
| Horton, A, and Turner, C. 1983. Nettlebed. 63-68 in The Diversion of the Thames: Field Guide. Rose, J (editor). (London: Quaternary Research Association.) |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
| none recorded or not applicable |
