| Computer Code: |
DUML |
Preferred Map Code: |
DUML |
| Status Code: |
Full |
| Age range: |
Duckmantian Substage (CB)
— Duckmantian Substage (CB) |
| Lithological Description: |
Limestone, pink, unbedded, pedogenic, unfossiliferous, micrite, with fine detrital quartz. |
| Definition of Lower Boundary: |
Conformable, rapid gradation from Tullanaglare Mudstone Formation into this member. |
| Definition of Upper Boundary: |
Probably disconformable; overlain abruptly, but without apparent erosion, by coarse conglomerates of Drumlish Formation. |
| Thickness: |
0.3 - 0.5m |
| Geographical Limits: |
Milltown Segment of the Fintona Block, Northern Ireland. |
| Parent Unit: |
Tullanaglare Mudstone Formation (TUG)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Section |
In a ditch on north side of the C-class road at Aghagaffert, 1.84km westnorthwest of Tedd cross-roads. Entire Member and contacts exposed. |
| Reference Section |
In twin streams, draining towards Drumgivery Cross-roads and joining southeast of that spot; member is exposed in both streams, 800 and 930 metres east-north-east of the stratotype. |
| 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. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
| none recorded or not applicable |
