The BGS Lexicon of Named Rock Units — Result Details

Taw River Terrace Deposits, 1 Member

Computer Code: TAW1 Preferred Map Code: notEntered
Status Code: Full
Age range: Pleistocene Epoch (QP) — Pleistocene Epoch (QP)
Lithological Description: Stony, sandy silty clay, with traces of Cassiterite.
Definition of Lower Boundary: Unconformable on bedrock shales and sandstones of Late Devonian and Carboniferous age.
Definition of Upper Boundary: Surface.
Thickness: Unknown probably less than 5m.
Geographical Limits: Valley of the River Taw, Devon from Heanton Pechard to Umberleigh.
Parent Unit: Taw Valley Formation (TAW)
Previous Name(s): River Terrace Deposits, 1 (Taw) (-558)
Alternative Name(s): none recorded or not applicable
Type Area  Taw valley, around Barnstable. Freshney et al 1979. 
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). 
Edmonds, E A, Whittaker, A, and Williams, B J. 1985. Geology of the country around Ilfracombe and Barnstaple. Memoir of the British Geological Survey, Sheets 277 and 293 (England and Wales). 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
E293 E309