The BGS Lexicon of Named Rock Units — Result Details

Solway Esk River Terrace Deposits , 1a-C

Computer Code: SE1AC Preferred Map Code: E1AC
Status Code: Index Level
Age range: Holocene Epoch (QH) — Holocene Epoch (QH)
Lithological Description: A reddish brown clayey gravel, overlain by interbedded reddish brown silty sand, silt and clay, which in turn, is overlain by a grey pebbly sand. Unit name and code refers to three separate outliers each of which may be a part of SE1, though no vertical succession A-C is implied.
Definition of Lower Boundary: A sharp, undulating erosional contact, mainly on reddish brown, clayey, sandstone-rich diamicton of the Gretna Till formation, or elsewhere, upon bedrock.
Definition of Upper Boundary: The present ground surface, generaly up to 4 m above floodplain level.
Thickness: Up to 8 m thick.
Geographical Limits: The valley of the River Esk, downstream of Canonbie, Dumfrieshire.
Parent Unit: Solway Esk Valley Formation (SESKV)
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Type Area  The valley of the River Esk downstream of Canonbie, Dumfrieshire. Dixon et al. 1926. 
Dixon, E E L, Maden J, Trotter, F M, Hollingworth, M A and Tonks, L H. 1926. The geology of the Carlisle, Longtown and Silloth District. Memoir of the Geological Survey of England and Wales. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
S010 S011 E011 E017 S006