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
|