The BGS Lexicon of Named Rock Units — Result Details

Mullynagowan Sandstone Member

Computer Code: MULY Preferred Map Code: MULY
Status Code: Full
Age range: Arundian Substage (CJ) — Arundian Substage (CJ)
Lithological Description: Sandstone, bedded, pale to dark grey, fine- to medium-grained suborkose, bioturbated, calcareous, silty.
Definition of Lower Boundary: Abrupt contact - possibly disconformable on grainstones of Newtownbutler Limestone Member at top of Ballyshannon Limestone Formation.
Definition of Upper Boundary: At rapid change from calcareous sandstones of this member, to dark grey argillaceous limestones of the parent Bundoran Shale Formation.
Thickness: About 2m
Geographical Limits: Newtownbutler area of south Co. Fermanagh, Northern Ireland.
Parent Unit: Bundoran Shale Formation (BUNS)
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Type Section  Stream section between Mockbeggar and Mullynagowan Townlands, 30m upstream of lane bridge. 
Mitchell, W I, 1995. Geological description of the area around Lisnaskea and Newtownbutler, Co. Fermanagh, part of 1:50k geological sheet 57 (Lisnaskea). Technical report GSN/95/8. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
none recorded or not applicable