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 Age (QC) — Ipswichian Age (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): Older Drift (*792)
South Britain Glacigenic Group [Obsolete Name And Code: See ALBI And CALI] (SBRG)
Alternative Name(s): none recorded or not applicable
Stratotypes:
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. 
Reference(s):
Ehlers, J, Gibbard, P L and Rose, J [editors]. 1991. Glacial deposits in Great Britain and Ireland. Balkema: Rotterdam, 580pp. 
Bowen, D Q (Editor). 1999. A revised correlation of Quaternary deposits in the British Isles. Geological Society of London Special Report, No.23. 
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.] 
McMillan, A.A., Hamblin, R.J.O. and Merritt, J.W. 2004. An overview of the lithostratigraphical framework for Quaternary and Neogene deposits of Great Britain [onshore]. British Geological Survey Research Report. RR/04/04. 
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.] 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
none recorded or not applicable
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