The BGS Lexicon of Named Rock Units — Result Details

Ballyness Formation

Computer Code: BYC Preferred Map Code: BYC
Status Code: Full
Age range: Tournaisian Stage (CT) — Tournaisian Stage (CT)
Lithological Description: Bright red sandstones, quartz-pebble conglomerates and pebbly sandstones.
Definition of Lower Boundary: Unconformable on a variety of rock units.
Definition of Upper Boundary: Rapid transition, conformable to succeeding peritidal carbonates and shales (Clogher Valley Formation)
Thickness: c.300m
Geographical Limits: none recorded or not applicable
Parent Unit: Tyrone Group (TYRO)
Previous Name(s): Basal Clastics (-740)
Calciferous Sandstone (-741)
Lower Carboniferous Sandstone (-1407)
Alternative Name(s): none recorded or not applicable
Reference Section  Section in Cole Bridge Stream 4.5km N. of Fivemiletown, Co. Tyrone 
Reference Section  Tributory stream of Ballygawley Water, 2km ENE of Ballygawley, Co. Tyrone 
Geological Survey of Northern Ireland 1982. 1:50 000 Solid Geology of Sheet 45 (Enniskillen). Belfast 
Griffith, A E, 1970. A review of Upper Old Red Sandstone and Tournaisian rocks in Northern Ireland. C.R. 6th Cong. int Strat. Geol. Carb., Sheffield 1967, 2, 837-41 
1:50K maps on which the lithostratigraphical unit is found, and map code used: