| Computer Code: |
BRSH |
Preferred Map Code: |
BSh |
| Status Code: |
Full |
| Age range: |
Tremadoc Series (O1)
— Tremadoc Series (O1) |
| Lithological Description: |
Fissile silver-grey mudstone. |
| Definition of Lower Boundary: |
Probably conformable with White-leaved Oak Shale. |
| Definition of Upper Boundary: |
Faulted or unconformity. |
| Thickness: |
Probably 250m - 350m. |
| Geographical Limits: |
Around Bronsil (SO 750 374), south end of Malvern Hills. |
| Parent Unit: |
Not Applicable (-)
|
| Previous Name(s): |
Bronsil Shales
(-88)
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Area |
Around Bronsil, south end of Malvern Hills. |
| Reference(s): |
| Worssam, B C, Ellison, R A and Moorlock, B S P. 1989. Geology of the country around Tewkesbury. Memoir of the British Geological Survey, Sheet 216 (England and Wales). |
| Groom, T T. 1902. The sequence of the Cambrian and associated beds of the Malvern Hills. Quarterly Journal of the Geological Society of London, Vol. 58, 59-135. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
E216
|
