The BGS Lexicon of Named Rock Units — Result Details

Northern Drift Formation [Obsolete: use FL, SBRY]

Computer Code: NDR Preferred Map Code: notEntered
Status Code: Index Level
Age range: Quaternary Period (Q) — Quaternary Period (Q)
Lithological Description: [Obsolete: use FL, SBRY] Quartzose and quartz gravel in a clay matrix. [Generic description: Geol Soc Lond Special Publication Report 4, 2nd edition].
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: none recorded or not applicable
Previous Name(s): none recorded or not applicable
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. 
Hey, R W. 1986. A re-examination of the Northern Drift of Oxfordshire. Proceedings of the Geologists' Association, Vol.97, 291-302. 
Bridgland, D R. 1994. Quaternary of the Thames. Geological Conservation Review Series No.7. (Peterborough: Joint Nature Conservation Committee.) 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
E217