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):
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). 
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) 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
none recorded or not applicable