The BGS Lexicon of Named Rock Units — Result Details

Taw River Terrace Deposits, 9 Member

Computer Code: TAW9 Preferred Map Code: notEntered
Status Code: Full
Age range: Pleistocene Epoch (QP) — Pleistocene Epoch (QP)
Lithological Description: Variable from stony,sandy,silty,clay in lower reaches to sand and gravel nearer source
Definition of Lower Boundary: Unconformable on bedrock shales and sandstones of Carboniferous age and Dartmoor Granite
Definition of Upper Boundary: Surface
Thickness: Greater than 3m
Geographical Limits: Valleys of the River Taw and tributaries between Belstone and Sticklespath and at Throwleigh northern Dartmoor,Devon
Parent Unit: Taw Valley Formation (TAW)
Previous Name(s): Shown As Terrace 5 On Okehampton Sheet (324) (-2475)
River Terrace Deposits, 9 (Taw) (-1858)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Area  Taw Valley and tributaries between Belstone and Sticklespath,northern Dartmoor Edmonds et al 1968 
Reference(s):
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). 
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:
E309 E324