The BGS Lexicon of Named Rock Units — Result Details

Loch Treig Group

Computer Code: LOTR Preferred Map Code: notEntered
Status Code: Full, pending ratification
Age range: Neoproterozoic Era (AZ) — Neoproterozoic Era (AZ)
Lithological Description: Red and green-grey mica schist, banded psammitic granulite with micaceous laminae as well as quartzite.
Definition of Lower Boundary: Drawn at base of banded psammitic granulite of the Corrour Granulite where it rests conformably on mica-schist of the Monadhliath Schist.
Definition of Upper Boundary: Drawn at conformable upward passage from quartzite of the Stob Quartzite to fine-grained quartzite of the Eilde Quartzite.
Thickness: Not defined.
Geographical Limits: Highlands, north-west Scotland.
Parent Unit: Not Entered (?)
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Type Area  Loch Treig, near Fort William, Highlands, Scotland. 
Hinxman, L W and MacGregor, M, 1923. The geology of Corrour and the Moor of Rannoch. Memoirs of the British Geological Survey. (Scotland). 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
S053 S054