The BGS Lexicon of Named Rock Units — Result Details

Albion Glacigenic Group

Computer Code: ALBI Preferred Map Code: ALB
Status Code: Full
Age range: Cromerian Stage (QC) — Ipswichian Stage (QI)
Lithological Description: A suite of glacial, glaciofluvial, glaciolacustrine and glaciomarine deposits that contain clasts derived from rocks cropping out throughout northern, central and eastern England, Scotland and Wales, and offshore, including diamictons [till], sand, gravel, silt and clay.
Definition of Lower Boundary: Sharp, planar unconformable contact with units of the Dunwich and/or Crag groups, or bedrock.
Definition of Upper Boundary: Ground surface or unconformable contact with units of the Caledonia Glacigenic Group, the Britannia Catchments Group or the British Coastal Deposits Group.
Thickness: To 120m
Geographical Limits: The whole of Great Britain lying to the north of the Anglian glacial limit crossing southern England, but mainly occuring between the Anglian and Devension glacial limits.
Parent Unit: Great Britain Superficial Deposits Supergroup (GBG)
Previous Name(s): South Britain Glacigenic Group [Obsolete Name And Code: See ALBI And CALI] (SBRG)
Older Drift (*792)
Alternative Name(s): none recorded or not applicable
Type Area  The whole of Great Britain lying to the north of the Anglian glacial limit crossing southern England. Bowen, 1999. See also the stratotypes of constituent formations. 
Boulton, G S. 1992. Quaternary. 413-444 in Duff, P M D and Smith, A J (eds) Geology of England and Wales. [London: The Geological Society.] 
Boulton, G S, Peacock, J D and Sutherland, D G. 2002. Quaternary. 409-430 in Trewin, N H [editor], Geology of Scotland. [4th edition]. [London: The Geological Society.] 
Ehlers, J, Gibbard, P L and Rose, J [editors]. 1991. Glacial deposits in Great Britain and Ireland. Balkema: Rotterdam, 580pp. 
MCMILLAN, A A, HAMBLIN, R J O and MERRITT, J W. 2005. An overview of the lithostratigraphical framework for the Quarternary and Neogene deposits of Great Britain (onshore). British Geological Survey Research Report RR/04/04. 
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:
none recorded or not applicable