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
|