| Computer Code: |
BLEAK |
Preferred Map Code: |
notEntered |
| Status Code: |
Full |
| Age range: |
Pleistocene Epoch (QP)
— Pleistocene Epoch (QP) |
| Lithological Description: |
Flint-rich clayey sandy gravels |
| Definition of Lower Boundary: |
Erosional on bedrock. |
| Definition of Upper Boundary: |
Present land surface. |
| Thickness: |
Known to be up to 2.4m thick in old now degraded pits (White, 1921). |
| Geographical Limits: |
The deposits rests on the interfluve between the headwaters of the Medina River and the western headwater arm of the Eastern Yar west of Godshill [SZ 525 820] south of Newport on the Isle of Wight. |
| Parent Unit: |
Medina River Formation (MEDR)
|
| Previous Name(s): |
Plateau Gravel
(PLG)
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Area |
Single outcrop on long north - south orientated ridge west of Godshill. |
| Reference(s): |
| British Geological Survey. 2013. Isle of Wight. England and Wales Special Sheet incorporating parts of sheets 330, 331, 344, 345. Bedrock and Superficial Deposits. 1:50 000. (Keyworth, Nottingham: British Geological Survey.) |
| Hopson, P M, and Farrant A R. 2014. Geology of the Isle of Wight - a brief explanation of the Isle of Wight Special Geological Map Sheet. Sheet Explanation of the British Geological Survey. Parts of 1:50 0000 Sheets 330 (Lymington), 331 (Portsmouth), 344 (Chale) and 345 (Ventnor) (England and Wales) |
| Wenban-Smith, F F, and Loader, R D, 2007. The Isle of Wight: A review of the Lower and Middle Palaeolithic Resource. 1-14, in The Isle of Wight Resource Assessment for the Lower and Middle Palaeolithic, Solent-Thames Regional Research Framework, (Oxford Archaeology.) |
| Poole, H F. 1934. The gravel and flint implements of Bleak Down, Isle of Wight. Papers and Proceedings of the Hampshire Field Club and Archaeological Society, Vol. 12, 20-47. |
| White, H J O. 1921. A short account of the geology of the Isle of Wight. Memoir of the Geological Survey of Great Britain, (1994 reprint). |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
| none recorded or not applicable |
