The BGS Lexicon of Named Rock Units — Result Details
Torridge River Terrace Deposits, 6 Member
Computer Code: | TOR6 | Preferred Map Code: | notEntered |
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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): | Shown as Terrace 2 in south-east of published sheets 308 (Bradworthy) [Obsolete Name and Code: Use TOR6]
(-2495)
River Terrace Deposits, 6 (Torridge) [Obsolete Name and Code: Use TOR6] (-1238) |
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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): | |||
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). | |||
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). | |||
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). | |||
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: | |||
E323 E308 E309 E324 |