The BGS Lexicon of Named Rock Units — Result Details

Cold Ash Gravel Member

Computer Code: CAGR Preferred Map Code: notEntered
Status Code: Pending Upgrade
Age range: Early Pleistocene (QPE) — Mid Pleistocene (QPM)
Lithological Description: Comprises 3 m of sandy gravel on bedrock at Cold Ash (Collins, p. 51 in Bowen 1999) and forms the ninth terrace of the pre-diversionary ancestral River Thames.
Definition of Lower Boundary: none recorded or not applicable
Definition of Upper Boundary: none recorded or not applicable
Thickness: 3 m.
Geographical Limits: Valley of the Kennet in the Newbury district (Aldiss et al., 2006).
Parent Unit: Sudbury Formation (SBRY)
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Section  Cold Ash [SU 507 715] (Collins, p. 51 in Bowen 1999). 
Reference(s):
McMillan, A A, Hamblin, R J O, and Merritt, J W. 2011. A lithostratigraphical framework for onshore Quaternary and Neogene (Tertiary) superficial deposits of Great Britain and the Isle of Man. British Geological Survey Research Report, RR/10/03. 343pp. 
Bowen, D Q. 1999. A revised correlation of Quaternary deposits in the British Isles. Geological Society Special Report, No. 23. 
Aldiss, D T, Newell, A J, Smith, N J P, and Woods, M A. 2006. Geology of the Newbury district. Sheet Explanation of the British Geological Survey. Sheet 267 (England and Wales). 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
E267