| Computer Code: |
BTS |
Preferred Map Code: |
notEntered |
| Status Code: |
Full |
| 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. |
| Waters, C N, Smith, K, Hopson, P M, Wilson, D, Bridge, D M, Carney, J N, Cooper, A H, Crofts, R G, Ellison, R A, Mathers, S J, Moorlock, B S P, Scrivener, R C, McMillan, A A, Ambrose, K, Barclay, W J, and Barron, A J M. 2007. Stratigraphical Chart of the United Kingdom: Southern Britain. British Geological Survey, 1 poster. |
| 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 |
