| Computer Code: |
MWF |
Preferred Map Code: |
MWF |
| Status Code: |
Full |
| Age range: |
Merioneth Series (EM)
— Merioneth Series (EM) |
| Lithological Description: |
Massive to convoluted sandstone and siltstone, with interbedded wavy-bedded micaceous and shaly mudstone. |
| Definition of Lower Boundary: |
Transition, with decreasing content of arenaceous beds, from dark mudstones of the underlying Outwoods Formation. |
| Definition of Upper Boundary: |
Upwards transition into grey micaceous mudstone of Monks Park Formation. |
| Thickness: |
c. 15m (15.25m in reference section) |
| Geographical Limits: |
From Purley Chase Golf Course, extending northwestwards to just northeast of Merevale Hall (SP 3093 9451-2972 9764). |
| Parent Unit: |
Stockingford Shale Group (SSH)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Section |
(Entire formation): Merevale No.1 Borehole (SP29NE/16) 377ft 4ins - 427ft 5ins. |
| Reference(s): |
| Baldock, J W. 1991. Geology of the Hartshill and Stockingford districts, Nuneaton. British Geological Survey Technical Report, WA/91/60. |
| Illing, V C, 1913. Recent discoveries in the Stockingford Shales near Nuneaton. Geological Magazine, Vol.10/5, p.452-453. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
E169
E155
|
