| Computer Code: |
CHY |
Preferred Map Code: |
Chy |
| Status Code: |
Pending Upgrade |
| Age range: |
Abereiddian Stage (O2)
— Abereiddian Stage (O2) |
| Lithological Description: |
Mudstones, tuffaceous near base and silty in upper part. |
| Definition of Lower Boundary: |
Not defined. |
| Definition of Upper Boundary: |
Not defined. |
| Thickness: |
c 80 - 100 metres. |
| Geographical Limits: |
1:50,000 Sheet 209 (St.David's). |
| Parent Unit: |
Not Applicable (-)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| none recorded or not applicable |
| Reference(s): |
| Hughes C P, and others. 1982. Abereiddi Bay and the adjacent coast. "In" Bassett, M G. (Editor). Geological excursions in Dyfed, south-west Wales. p.51-63. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
E209
E244
E245
|
