Computer Code: |
TOR4 |
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. |
Definition of Upper Boundary: |
Surface. |
Thickness: |
Unknown, probably less than 5 m. |
Geographical Limits: |
Torridge Valley between Merton and Great Torrington, Devon. |
Parent Unit: |
Torridge Valley Formation (TORR)
|
Previous Name(s): |
River Terrace Deposits, 4 (Torridge) [Obsolete Name and Code: Use TOR4]
(-1237)
|
Alternative Name(s): |
none recorded or not applicable
|
Stratotypes: |
Type Area |
Torridge valley between Merton and Great Torrington. 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). |
1:50K maps on which the lithostratigraphical unit is found, and map code used: |
E309
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