| Computer Code: |
PTRE |
Preferred Map Code: |
PtrF |
| Status Code: |
Pending Upgrade |
| Age range: |
Ashgill Series (OA)
— Ashgill Series (OA) |
| Lithological Description: |
Fossiliferous argillaceous fine-grained sandstones and silty mudstones. |
| Definition of Lower Boundary: |
Unknown. |
| Definition of Upper Boundary: |
Probably unconformable base of overlying Henfryn Formation. |
| Thickness: |
Unknown. |
| Geographical Limits: |
Central Wales. |
| Parent Unit: |
Not Applicable (-)
|
| Previous Name(s): |
Pentre Formation [Obsolete Code: Use PTRE]
(PTRF)
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Section |
Quarry, c.200 metres north-north-west of Pentre Farm. |
| Reference(s): |
| none recorded or not applicable |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
E179
|
