The BGS Lexicon of Named Rock Units — Result Details

Irish Sea Coast (Albion) Glacigenic Subgroup

Computer Code: ISCAG Preferred Map Code: notEntered
Status Code: Full
Age range: Mid Pleistocene (QPM) — Mid Pleistocene (QPM)
Lithological Description: Diamicton, gravel, sand, silt and clay, typically reddish brown and containing clasts of red and yellow sandstone, wacke sandstone and siltstone, granite and granodiorite. Welded tuff (Borrowdale Volcanic Group), mudstone, coal, shell fragments and reworked marine microfossils are common to the south of the Solway Firth.
Definition of Lower Boundary: Unconformable on bedrock.
Definition of Upper Boundary: Ground surface or unconformable contact with units of the Caledonia Glacigenic Group.
Thickness: Up to tens of metres.
Geographical Limits: Cheshire, Lancashire, North Wales, western Cumbria and the Solway lowlands.
Parent Unit: Albion Glacigenic Group (ALBI)
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. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
none recorded or not applicable