| Computer Code: |
SHSH |
Preferred Map Code: |
notEntered |
| Status Code: |
Pending Upgrade |
| Age range: |
Tremadoc Series (O1)
— Tremadoc Series (O1) |
| Lithological Description: |
Grey or green shaly mudstones with interbedded sandstones at some levels. |
| Definition of Lower Boundary: |
Not seen. |
| Definition of Upper Boundary: |
Taken at the conformable transition into the black, flaggy micaceous siltstones of the overlying Habberley Formation, the junction being taken at the first appearance of black siltstone. |
| Thickness: |
At least 1000m locally. |
| Geographical Limits: |
none recorded or not applicable
|
| Parent Unit: |
Not Applicable (-)
|
| Previous Name(s): |
Shineton Shales [Obsolete Name and Code: Use HBY, SHSH]
(-2234)
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| none recorded or not applicable |
| Reference(s): |
| Stubblefield,C J and Bulman, O M B. 1927. The Shineton Shales of the Wrekin district: with notes of their development in other parts of Shropshire and Herefordshire. Quarterly Journal of the Geological Society of London, Vol.83, 96-146. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
E151
E180
|
