| Computer Code: |
YFS |
Preferred Map Code: |
notEntered |
| Status Code: |
Index Level |
| Age range: |
Famennian Age (DA)
— Famennian Age (DA) |
| Lithological Description: |
[Obsolete: use FRL] Sandstone. |
| Definition of Lower Boundary: |
none recorded or not applicable
|
| Definition of Upper Boundary: |
none recorded or not applicable
|
| Thickness: |
none recorded or not applicable
|
| Geographical Limits: |
none recorded or not applicable
|
| Parent Unit: |
none recorded or 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): |
| Allen, J R L. 1977. Wales and the Welsh Borders. 40-54 in A correlation of Devonian rocks in the British Isles. House, M R et al. (editors). Geological Society, London, Special Report No. 7. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
| none recorded or not applicable |
