| Computer Code: |
CPR |
Preferred Map Code: |
CpR |
| Status Code: |
Pending Upgrade |
| Age range: |
Llandovery Epoch (SL)
— Llandovery Epoch (SL) |
| Lithological Description: |
Interbedded thin turbidite sandstones and turbidite mudstones with burrowed hemipelagites. |
| Definition of Lower Boundary: |
No definition. |
| Definition of Upper Boundary: |
No definition. |
| Thickness: |
No definition. |
| Geographical Limits: |
Central Wales. |
| Parent Unit: |
Not Entered (?)
|
| Previous Name(s): |
Monograptus-Sedgwickii Grits [Obsolete Name and Code: Use CPR]
(-3321)
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Section |
Crags on the southern slope of Clap Round, Rhayader. |
| Reference(s): |
| Lapworth, H, 1900. The Silurian sequence at Rhayader. Quarterly Journal of the Geological Society, Vol.56, p.67-137. |
| Definition not published. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
E179
|
