The BGS Lexicon of Named Rock Units — Result Details
Mullaghcarn Formation
| Computer Code: | MCA | Preferred Map Code: | MC |
|---|---|---|---|
| Status Code: | Full | ||
| Age range: | Neoproterozoic Era (AZ) — Neoproterozoic Era (AZ) | ||
| Lithological Description: | Quartz and albite psammite and semi-pelites (mixed). | ||
| Definition of Lower Boundary: | Gradational boundary with underlying Glengawna Formation. | ||
| Definition of Upper Boundary: | Faulted off by Omagh Thrust. | ||
| Thickness: | Max c.3km | ||
| Geographical Limits: | North County Tyrone, Northern Ireland; southern foothills of the Sperrin Mountains and Lack Inlier, Northern Ireland. | ||
| Parent Unit: | Southern Highland Group (SOHI) | ||
| Previous Name(s): | Mullaghcarn Formation [Obsolete Name and Code: Use MCA]
(-391)
Mullaghcarn Group [Obsolete Name and Code: Use MCA] (-1684) Mullaghcarn Schists: See Mullaghcarn Group [Obsolete Name and Code: Use MCA] (-4182) Mullaghcarn Formation (A) [Obsolete Code: Use MCA] (DCMF) Mullaghcarn Formation (B) [Obsolete Code: Use MCA] (DCMG) |
||
| Alternative Name(s): | none recorded or not applicable | ||
| Stratotypes: | |||
| Type Area | Mullaghcarn area, south east to Mountfield Old Quarry, Tyrone, Northern Ireland. | ||
| Reference(s): | |||
| Hartley, J J, 1938. The Dalradian rocks of the Sperrin Mountains and adjacent areas in Northern Ireland. Proceedings of the Royal Irish Academy, Vol.XLIV, section B, 141-171. | |||
| Arthurs, J W. 1976. The geology and metalliferous mineral potential of the Sperrin Mountains area. Geological Survey of Northern Ireland, Special Report No. 1, 119pp, 2app, 2 figs, 7 tables, 102 maps. | |||
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: | |||
| N26 | |||