The BGS Lexicon of Named Rock Units — Result Details

Solway Esk Valley Formation

Computer Code: SESKV Preferred Map Code: SEV
Status Code: Full
Age range: Holocene Epoch (QH) — Holocene Epoch (QH)
Lithological Description: Mainly comprises sand and gravel, forming river terraces, and silty, clayey sand forming floodplains, and concealing sand and gravel. Includes units of sand, silt and clay, which are typically reddish brown.
Definition of Lower Boundary: A sharp, undulating, erosional contact, mainly on reddish brown, clayey, sandstone-rich diamictons of the Gretna Till Formation, or yellowish brown, greywacke-rich diamictons of the Langholm Till Formation.
Definition of Upper Boundary: At the present ground surface or, locally, covered by peat.
Thickness: To 15m
Geographical Limits: The valley of the River Esk and its tributaries, Dumfries-shire.
Parent Unit: Solway Catchments Subgroup (SYDR)
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Type Area  The valley of the River Esk and its tributaries, Dumfrieshire. McMillan et al. 2004. 
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:
E011 E017 S010 S011 S006