The BGS Lexicon of Named Rock Units — Result Details

Cockerel Gravel Member

Computer Code: COCKG Preferred Map Code: notEntered
Status Code: Full
Age range: Pleistocene Epoch (QP) — Pleistocene Epoch (QP)
Lithological Description: Clayey to very clayey sandy gravel.
Definition of Lower Boundary: Erosional on bedrock.
Definition of Upper Boundary: Present land surface.
Thickness: The member is between 2 and 5m.
Geographical Limits: Forms a terrace on the southern side of the Eastern Yar Valley between Newchurch [SZ 560 854] and Winford [SZ 566 845], southeast Isle of Wight
Parent Unit: Eastern Yar River Formation (EYAR)
Previous Name(s): Gravel Terraces (-715)
Plateau Gravel (PLG)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Area  Three outcrops in the vicinity of Newchurch, Queen's Bower (Winford) and Branstone, Isle of Wight 
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) 
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