The BGS Lexicon of Named Rock Units — Result Details

Drumgivery Limestone Member

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
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. 
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