| Computer Code: |
AILT |
Preferred Map Code: |
notEntered |
| Status Code: |
Index Level |
| Age range: |
Wolstonian Stage (QO)
— Wolstonian Stage (QO) |
| Lithological Description: |
Channel-filling lag gravels and fossiliferous sands that yield the bivalve Corbicula, and are thus assigned to MIS 7. |
| Definition of Lower Boundary: |
none recorded or not applicable
|
| Definition of Upper Boundary: |
Underlies the Cropthorne Sand and Gravel Member (CRTD). |
| Thickness: |
none recorded or not applicable
|
| Geographical Limits: |
Avon Valley. |
| Parent Unit: |
Cropthorne Sand and Gravel Member (CRTD)
|
| Previous Name(s): |
Ailstone Terrace Deposits (Warwickshire Avon)
(-9)
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| none recorded or not applicable |
| 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. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
E199
|
