| Computer Code: |
WIHG |
Preferred Map Code: |
symb |
| Status Code: |
Full |
| Age range: |
Anglian Stage (QA)
— Anglian Stage (QA) |
| Lithological Description: |
Gravel, variably clayey and sandy. |
| Definition of Lower Boundary: |
Erosional contact with Tertiary-Cretaceous bedrock. |
| Definition of Upper Boundary: |
Terrace surface. |
| Thickness: |
1-8m |
| Geographical Limits: |
Thames Valley. |
| Parent Unit: |
Colchester Formation (CCHR)
|
| Previous Name(s): |
Plateau Gravel
(PLG)
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Area |
Thames valley below Goring. |
| Reference(s): |
| Saner, B R M and Wooldridge, S W, 1929. River development in Essex. Essex Naturalist. Vol.22, 244-250. |
| Gibbard, P L, 1985. Pleistocene history of the Middle Thames Valley. (London: Cambridge University Press.) |
| 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. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
E268
|
