The BGS Lexicon of Named Rock Units — Result Details

Torridge River Terrace Deposits, 6 Member

Computer Code: TOR6 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 and breccias of Permian age.
Definition of Upper Boundary: Surface.
Thickness: Unknown, probably less than 5 m.
Geographical Limits: Valleys of the Okement, Torridge and Lew rivers and their tributaries between Northlew, Sampford Courtenay Station and Merton, Devon.
Parent Unit: Torridge Valley Formation (TORR)
Previous Name(s): River Terrace Deposits, 6 (Torridge) [Obsolete Name and Code: Use TOR6] (-1238)
Shown as Terrace 2 in south-east of published sheets 308 (Bradworthy) [Obsolete Name and Code: Use TOR6] (-2495)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Area  Okement, Lew and Torridge valleys between Northlew, Merton and west of Sampford Courtenay Station. Freshney et al., 1979. 
Reference(s):
McKeown, M C, Edmonds, E A, Williams, M, Freshney, E C and Masson Smith, D J. 1973. Geology of the country around Boscastle and Holsworthy. Memoir of the British Geological Survey, sheets 322 and 323 (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). 
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:
E323 E308 E309 E324