The BGS Lexicon of Named Rock Units — Result Details

Biddenham Member

Computer Code: BIDM Preferred Map Code: notEntered
Status Code: Full
Age range: Pleistocene Epoch (QP) — Pleistocene Epoch (QP)
Lithological Description: Fluviatile gravel with sand: contains thin fossiliferous clay layers with a temperate molluscan fauna. Numerous artifacts of Acheulian type have also been recorded.
Definition of Lower Boundary: Unconformable, commonly chanelled base, resting on bedrock surface.
Definition of Upper Boundary: Ground surface.
Thickness: 0 to 4m
Geographical Limits: River Great Ouse Valley, Central England.
Parent Unit: Ouse Valley Formation (OUSE)
Previous Name(s): Third Terrace of the Ouse [Obsolete Name and Code: Use BIDM] (-4465)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Section  The Spinney Pit, Biddenham, Bedfordshire. 
Reference(s):
Harding, P, Keen, D H, Bridgland, D R and Rogerson, R J. 1991. A Palaeolithic site rediscovered at Biddenham, Bedfordshire. Bedfordshire Archaeology, Volume 19, 87-90. 
Prestwich, J. 1861. Note on some further discoveries of flint implements in beds of post-Pliocene gravel and clay, with a few suggestions to search elsewhere. Quarterly Journal of the Geological Society of London, Vol.17, 362-368. 
Bowen, D Q. 1999. A revised correlation of Quaternary deposits in the British Isles. Geological Society Special Report, No. 23. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
E185