The BGS Lexicon of Named Rock Units — Result Details

Taw River Terrace Deposits, 7 Member

Computer Code: TAW7 Preferred Map Code: notEntered
Status Code: Full
Age range: Pleistocene Epoch (QP) — Pleistocene Epoch (QP)
Lithological Description: Stony,sandy,silty,clay
Definition of Lower Boundary: Unconformable on bedrock shales and sandstones of Late Carboniferous and conglomerates of Permian age
Definition of Upper Boundary: Surface
Thickness: Probably less than 5m
Geographical Limits: Valleys of the River Taw and tributaries between Umberleigh and northern Dartmoor,Devon
Parent Unit: Taw Valley Formation (TAW)
Previous Name(s): River Terrace Deposits, 7 (Taw) (-560)
Shown As Terrace 3 On Okehamptonsheet (324) (-3715)
Alternative Name(s): none recorded or not applicable
Type Area  Taw Valley and valley south of North Tawton between North Tawton and Taw Green Edmonds et al 1968 
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, Wright, J E, Beer, K E, Hawkes, J R, Fenning, P J, Freshney, E C, Lovelock, P E R, McKeown, M C, Ramsbottom, W H C and Williams, M. 1968. Geology of the country around Okehampton. Memoir of the Geological Survey of Great Britain, Sheet 324 (England and Wales). 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
E309 E324