The BGS Lexicon of Named Rock Units — Result Details

Aruisg Psammite Formation

Computer Code: ARU Preferred Map Code: notEntered
Status Code: Full
Age range: Tonian Period (AT) — Tonian Period (AT)
Lithological Description: Feldspathic psammite with minor pelitic beds. Cross-bedding locally preserved.
Definition of Lower Boundary: Overlying the Laidhe na Greine Formation, likely conformable.
Definition of Upper Boundary: Not exposed.
Thickness: none recorded or not applicable
Geographical Limits: SW Sleat, Isle of Skye, NW Scotland: restricted to the Tarskavaig Nappe.
Parent Unit: Tarskavaig Group (TARS)
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Stratotypes:
none recorded or not applicable
Reference(s):
Krabbendam, M. 2021. A stratigraphic framework for the early Neoproterozoic successions of the Northern Highlands of Scotland. UK Stratigraphic Framework Series. British Geological Survey Open Report, OR/21/072. 86pp. 
Cheeney, R, and Matthews, D. 1965. The structural evolution of the Tarskavaig and Moine nappes in Skye. Scottish Journal of Geology, Vol. 1, 256-281. 
Cheeney, R F, and Krabbendam, M. 2009. Tarskavaig. 341-344 in Lewisian, Torridonian and Moine Rocks of Scotland. Mendum, J R, Barber, A J, Butler, R W H, Flinn, D, Goodenough, K M, Krabbendam, M, Park, R G, and Stewart, A D (editors). (Peterborough: Joint Nature Conservation Committee.) ISBN 1861074832 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
S071