Computer Code: |
LAGR |
Preferred Map Code: |
notEntered |
Status Code: |
Full |
Age range: |
Tonian Period (AT)
— Tonian Period (AT) |
Lithological Description: |
Interbedded psammite, semipelite and pelite. |
Definition of Lower Boundary: |
Overlying the Capistal Psammite Formation, likely conformable. |
Definition of Upper Boundary: |
Overlain by the Aruisg Psammite Formation (ARU), likely conformable. |
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: |
none recorded or not applicable |