| Computer Code: |
DOL |
Preferred Map Code: |
Dol |
| Status Code: |
Pending Upgrade |
| Age range: |
Llandovery Epoch (SL)
— Wenlock Epoch (SW) |
| Lithological Description: |
Thinly interbedded shelly pale green mudstones and laminated hemipelagites. |
| Definition of Lower Boundary: |
Base of lowest laminated hemipelagite overlying the Cerig Formation. |
| Definition of Upper Boundary: |
Base of Builth Mudstones. |
| Thickness: |
Up to 55 metres. |
| Geographical Limits: |
Central Wales. |
| Parent Unit: |
Not Applicable (-)
|
| Previous Name(s): |
Pale Shales [Obsolete Name and Code: Use CER, DOL]
(-3913)
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Section |
River Ithon, 500 metres east of Dolfawr Farm. |
| Reference(s): |
| none recorded or not applicable |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
E196
E179
|
