The BGS Lexicon of Named Rock Units — Result Details

Logie-Buchan (Albion) Glacigenic Subgroup

Computer Code: LBAG Preferred Map Code: LBA
Status Code: Full
Age range: Cromerian Stage (QC) — Wolstonian Stage (QO)
Lithological Description: Suite of glacial, glaciofluvial and glaciolacustrine deposits that contain clasts derived predominantly from offshore of the Aberdeenshire coast (calcareous siltstone, limestone, red sandstone, shell fragments), including clayey diamictons (till), sand, gravel, silt and clay. Deposited from ice that pushed onshore from the North Sea Basin.
Definition of Lower Boundary: Sharp, unconformable contact with bedrock.
Definition of Upper Boundary: Unconformable contact with units of the Logie-Buchan and East Grampian Glacigenic subgroups.
Thickness: To 10m
Geographical Limits: Coastal lowland north of Aberdeen, east of Ellon and south of Peterhead.
Parent Unit: Albion Glacigenic Group (ALBI)
Previous Name(s): Red Series (-1013)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Area  Slains, northeast of Aberdeen. Merritt et al. 2003. See also the stratotypes of constituent formations, including Benholm Clay and Auchleuchries Sand and Gravel. 
Reference(s):
Hall, A M and Connell, E R. 1991. The glacial deposits of Buchan, northeast Scotland. 129-136 in Ehlers, J, Gibbard, P L and Rose, J (editors), Glacial Deposits in Great Britain and Ireland. (Rotterdam: Balkema.) 
Merritt, J W, Auton, C A, Connell, E R, Hall, A M and Peacock, J D. 2003. The Cainozoic geology and landscape evolution of north-east Scotland. Memoir of the British Geological Survey, Sheets 66E, 67, 76E, 77, 86E, 87W, 87E, 95, 96W, 96E and 97 (Scotland) 
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. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
none recorded or not applicable