The BGS Lexicon of Named Rock Units — Result Details

Freshwater Gravel Member

Computer Code: FRESH Preferred Map Code: notEntered
Status Code: Full
Age range: Pleistocene Epoch (QP) — Pleistocene Epoch (QP)
Lithological Description: Generally clayey sandy gravel with thin sand units of limited lateral extent.
Definition of Lower Boundary: Erosional base on bedrock.
Definition of Upper Boundary: Present land surface.
Thickness: Estimated to be between 2 and 5m thick from the outcrop.
Geographical Limits: Limited to three small outcrops in the area around Norton Green near Freshwater in the Western Yar Valley.
Parent Unit: Western Yar River Formation (WYAR)
Previous Name(s): Plateau Gravel (PLG)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Area  Three outcrops around Norton Green adjacent to Golden Hill Fort, Copse Lane and Hill Lane. 
Reference(s):
British Geological Survey, 1976. Isle of Wight. England and Wales Special Sheet incorporating parts of sheets 330,331,344,345. Bedrock and Drift 1:50 000. (Keyworth, Nottingham: British Geological Survey). 
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) 
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