| Computer Code: |
MEVA |
Preferred Map Code: |
notEntered |
| Status Code: |
Full |
| Age range: |
Pleistocene Epoch (QP)
— Holocene Epoch (QH) |
| Lithological Description: |
River Terrace deposits comprising sand and gravel, characterised by clasts of Wealden sandstone, siltstone and sporadic flints, and Alluvium comprising silt, sand and gravel. |
| Definition of Lower Boundary: |
Overlies bedrock. |
| Definition of Upper Boundary: |
At surface, or locally overlain by head and brickearth. |
| Thickness: |
Not specified. |
| Geographical Limits: |
Valley of the River Medway and its tributaries from Tunbridge Wells to Sheerness, north Kent. |
| Parent Unit: |
Thames Catchments Subgroup (THCAT)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Area |
Valley of the River Medway from Tunbridge Wells to Sheerness. Gibbard, 56-57 in Bowen, 1999. |
| Reference(s): |
| Gibbard, P L. 1999. The Thames Valley, its tributaries and their former courses. 45-58 in A revised correlation of Quaternary deposits in the British Isles. Bowen, D Q (editor). Geological Society of London Special Report, No. 23. |
| Bristow, C R, and Bazley, R A. 1972. Geology of the country around Royal Tunbridge Wells. Memoir of the Geological Survey of Great Britain, sheet 303 (England and Wales). |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
E272
E288
E303
|
