The BGS Lexicon of Named Rock Units — Result Details
Taw River Terrace Deposits, 10 Member
| Computer Code: | TAW10 | Preferred Map Code: | notEntered |
|---|---|---|---|
| Status Code: | Full | ||
| Age range: | Late Pleistocene (QPL) — Late Pleistocene (QPL) | ||
| 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 3 m. | ||
| Geographical Limits: | Valleys of the River Taw and tributaries on northern Dartmoor, Devon. | ||
| Parent Unit: | Taw Valley Formation (TAW) | ||
| Previous Name(s): | River Terrace Deposits, 10 (Taw) [Obsolete Name and Code: Use TAW10]
(-4359)
Shown As Terrace 6 On Okehampton Sheet (324) (-559) |
||
| Alternative Name(s): | none recorded or not applicable | ||
| Stratotypes: | |||
| Type Area | Taw Valley and tributaries on northern Dartmoor at Taw Marsh. 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: | |||
| E324 E309 | |||