| Computer Code: |
WSI |
Preferred Map Code: |
notEntered |
| Status Code: |
Full |
| Age range: |
Anglian Stage (QA)
— Anglian Stage (QA) |
| Lithological Description: |
Laminated reddish brown clays, silts and fine-grained sands. |
| Definition of Lower Boundary: |
Placed at junction of laminated clays and silts and the underlying Mathon Sand and Gravel. |
| Definition of Upper Boundary: |
Placed at erosion surface that truncates the beds and which is overlain by Coddington Till or Cradley Silts. |
| Thickness: |
Up to c. 23 metres proved. |
| Geographical Limits: |
Cradley Valley between Mathon and Eastnor and Glynch Brook Valley, Hereford and Worcester. |
| Parent Unit: |
Risbury Glacigenic Formation (RISB)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Area |
Vicinity of White House Farm, Cradley Valley. |
| Reference Section |
Lower Mitchell Farm Borehole. Hey, 1959. |
| Reference(s): |
| Hey, R W, 1959. Pleistocene deposits on the west side of the Malvern Hills. Geological Magazine, Vol.96, p.403-417. |
| Barclay, W J, Brandon, A, Ellison, R A, and Moorlock, B S P. 1992. A Middle Pleistocene palaeovalley-fill west of the Malvern Hills. Journal of the Geological Society of London, Vol. 149, 75-92. |
| 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: |
| none recorded or not applicable |
