| Computer Code: |
CAEC |
Preferred Map Code: |
notEntered |
| Status Code: |
Full |
| Age range: |
Wenlock Epoch (SW)
— Wenlock Epoch (SW) |
| Lithological Description: |
Sandstones, siltstones and subordinate mudstones. |
| Definition of Lower Boundary: |
Taken at the conformable base of the fine- to coarse-grained sandstones and pebbly sandstones of the Rhymney Grit Member, which sharply overlies the Pen-y-lan Mudstone. |
| Definition of Upper Boundary: |
Sharply and conformably overlain by the mudstones with thin sandstones and siltstones of the Cardiff Group. |
| Thickness: |
70 to 80m |
| Geographical Limits: |
none recorded or not applicable
|
| Parent Unit: |
Not Applicable (-)
|
| Previous Name(s): |
Wenlock Beds [Obsolete Name and Code: Use CAEC]
(-3895)
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| none recorded or not applicable |
| Reference(s): |
| Strahan, A, and Cantrill, T C. 1902. The geology of the South Wales Coalfield, Part III. The country around Cardiff. First Edition. Memoir of the Geological Survey, Sheet 263 [England and Wales]. |
| Waters, R A and Lawrence, D J D. 1987. Geology of the South Wales Coalfield - Part III: the country around Cardiff. Memoir of the British Geological Survey, Sheet 263. (England and Wales). |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
E263
|
