| Computer Code: |
WDMB |
Preferred Map Code: |
WM |
| Status Code: |
Full |
| Age range: |
Comley Series (EC)
— Comley Series (EC) |
| Lithological Description: |
Grey to maroon, medium-grained glauconitic and micaceous sandstones. Faint cross-bedding but commonly appear massive and thick-bedded. Rare mudstone drapes. |
| Definition of Lower Boundary: |
Sharp, probably disconformable, contact on hardground surface developed on Home Farm Member limestone. Detritus from latter locally incorporated into basal bed. |
| Definition of Upper Boundary: |
Sharp contact with basal mudstone of Stockingford Shale Group. Some intermixing between sandstone and mudstone along contact. Upper c.1m of is bioturbated and locally calcareous. |
| Thickness: |
19m in type section. 9-19m between Hartshill and Woodlands Quarries. |
| Geographical Limits: |
From Nuneaton town centre, extending northwest for 5.2km to Worthington Farm, Mancetter (SP3192 9572)(SP3529 9197-3192 9572). |
| Parent Unit: |
Hartshill Sandstone Formation (CQ)
|
| Previous Name(s): |
Woodlands Member
(WDMB)
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Section |
Southern end of Woodlands Quarry, 140m north-north-west of Hartshill Green. |
| Reference(s): |
| Brasier, M D, Hewitt, R A and Brasier, C J, 1978. On the late Precambrian - Early Cambrian Hartshill Formation of Warwickshire. Geological Magazine, Vol.115/1, p.21-36. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
E169
|
