The BGS Lexicon of Named Rock Units — Result Details

Kerr Moraine Formation

Computer Code: KEMO Preferred Map Code: KER
Status Code: Full
Age range: Devensian Stage (QD) — Devensian Stage (QD)
Lithological Description: Interbedded diamicton, boulder gravel, sand, silt and clay. Typically reddish brown with clasts of red sandstone dominant, but locally yellowish brown with clasts of yellow sandstone dominant.
Definition of Lower Boundary: Generally conformable with the Gretna Till Formation, or rests unconformably on bedrock.
Definition of Upper Boundary: Generally the ground surface.
Thickness: 5m
Geographical Limits: Solway Lowlands.
Parent Unit: Irish Sea Coast Glacigenic Subgroup (ISCG)
Previous Name(s): Morainic Drift [Not Recommended For Future Use: See MORD] (DOD)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Area  Mounds and ridges found in the vicinity of Kerr Height, 5km southwest of Langholm, Dumfries-shire. The ridges are generally closely associated with ice-marginal glacial drainage channels and formed at the ice margin during glacial retreat. Merritt et al., in preparation. 
Reference(s):
Merritt, J W et al. [in preparation]. The Quaternary geology of the Solway area. BGS Research Report. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
none recorded or not applicable