The BGS Lexicon of Named Rock Units — Result Details

Torridge River Terrace Deposits, 1 Member

Computer Code: TOR1 Preferred Map Code: notEntered
Status Code: Full
Age range: Pleistocene Epoch (QP) — Pleistocene Epoch (QP)
Lithological Description: Predominantly silty clay with scattered rounded sandstone clasts
Definition of Lower Boundary: Unconformable on shales and sandstones of Late Carboniferous age
Definition of Upper Boundary: Surface
Thickness: Unknown,probably less than 5m
Geographical Limits: Torridge and tributary valleys near Great Torrington,Devon
Parent Unit: Torridge Valley Formation (TORR)
Previous Name(s): River Terrace Deposits, 1 (Torridge) (-1869)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Area  Torridge valley and tributary valleys downstreamfrom Great Torrington Freshney et al 1979 
Reference(s):
Freshney, E C, Edmonds, E A, Taylor, R T and Williams, B J. 1979. Geology of the country around Bude and Bradworthy. Memoir of the Geological Survey of Great Britain, sheets 307 and 308 (England and Wales). 
Freshney, E C, Beer, K E and Wright, J E. 1979. Geology of the country around Chumleigh. Memoir of the Geological Survey of Great Britain, Sheet 309 (England and Wales). 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
E308 E309