Computer Code: |
BTS |
Preferred Map Code: |
notEntered |
Status Code: |
Pending Upgrade |
Age range: |
Merioneth Series (EM)
— Merioneth Series (EM) |
Lithological Description: |
Sooty black shales with black bituminous limestone concretions. |
Definition of Lower Boundary: |
Conformable on grey, micaceous shales of the underlying Shoot Rough Road Shales. |
Definition of Upper Boundary: |
Non-sequence beneath grey to blue shales of the overlying Shineton Shales. |
Thickness: |
4m |
Geographical Limits: |
Shropshire. |
Parent Unit: |
Not Applicable (-)
|
Previous Name(s): |
none recorded or not applicable
|
Alternative Name(s): |
none recorded or not applicable
|
Stratotypes: |
Type Section |
Bentleyford Brook, 14km south of Shrewsbury. |
Reference(s): |
Stubblefield, C J, 1930. A new Upper Cambrian section in south Shropshire. Summary of Progress of the Geological Survey of Great Britain for 1929, part 2, 54-62. |
Cowie, J W, Rushton, A W A and Stubblefield, C J, 1972. A correlation of Cambrian rocks in the British Isles. Special Report of the Geological Society of London, No.2, p.26. |
1:50K maps on which the lithostratigraphical unit is found, and map code used: |
none recorded or not applicable |