| Computer Code: |
RSF |
Preferred Map Code: |
RSF |
| Status Code: |
Full |
| Age range: |
Mid Devonian Epoch (DM)
— Late Devonian Epoch (DU) |
| Lithological Description: |
Interbedded sandstones, siltstones and mudstones with thin conglomerates. |
| Definition of Lower Boundary: |
Supposedly diachronous with and transitional from conglomerates and sandstones of underlying/contemporaneous Gortfinbar Conglomerate Formation. |
| Definition of Upper Boundary: |
Not exposed; probably faulted; also probably an unconformity as rocks are unconformably overlain by basal Carboniferous (inter alia) Ballyness Formation |
| Thickness: |
120-400m |
| Geographical Limits: |
none recorded or not applicable
|
| Parent Unit: |
Fintona Group (FIN)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Area |
Stream sections in Corkill, Corkill Demesne and Lislea townlands, 6km ESE of Fintona, Co. Tyrone. |
| Reference Section |
Stream section between townlands of Corkill and Lurganaglore, SW of B 83 road. |
| Reference(s): |
| Mitchell, W I and Owens, B, 1990. The geology of the western part of the Fintona Block, Northern Ireland: Evolution of Carboniferous basins. Geological Magazine, Vol.127 (5), 407-426. |
| Geological Survey of Northern Ireland. 1979. Pomeroy, sheet 34, solid, 1:50 000. (Southampton: Ordnance Survey for Institute of Geological Sciences.) |
| Waters, C N, Gillespie, M R, Smith, K, Auton, C A, Floyd, J D, Leslie, A G, Millward, D, Mitchell, W I, McMillan, A A, Stone, P, Barron, A J M, Dean, M T, Hopson, P M, Krabbendam, M, Browne, M A E, Stephenson, D, Akhurst, M C, and Barnes, R P. 2007. Stratigraphical Chart of the United Kingdom: Northern Britain. (British Geological Survey.) |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
N33
|