| Computer Code: |
CWV |
Preferred Map Code: |
CwV |
| Status Code: |
Pending Upgrade |
| Age range: |
Abereiddian Stage (O2)
— Abereiddian Stage (O2) |
| Lithological Description: |
Volcaniclastic sandstone and conglomerate with few intercalations of mudstone, some interbedded basaltic lava and/or volcanic breccia, sediments overly tuffite and/or ash flow tuff. |
| Definition of Lower Boundary: |
Gradational. |
| Definition of Upper Boundary: |
Faulted. |
| Thickness: |
Approx. 1200 metres. |
| Geographical Limits: |
North limit: Castle Bank (hill) (SO 0900 6154). West, east and south limits outside of limits of Sheet 178. |
| Parent Unit: |
Not Entered (?)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Area |
Up to 850 metres north to north east of Careg-Wiber Farm, including Careg-Wiber Bank; Careg Wiber Farm lies 3km south east of the railway station, Llandrindod Wells. |
| Reference(s): |
| none recorded or not applicable |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
E179
|
