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 |