| Computer Code: |
MSSP |
Preferred Map Code: |
M |
| Status Code: |
Full |
| Age range: |
Neoproterozoic Era (AZ)
— Neoproterozoic Era (AZ) |
| Lithological Description: |
Semipelite, schistose to gneissose. |
| Definition of Lower Boundary: |
Tectonic contact with the Glen Banchor Succession. |
| Definition of Upper Boundary: |
Gradational boundary into the Fara Psammite Formation placed where psammite becomes the dominant lithology. |
| Thickness: |
Unknown. May be up to 100m |
| Geographical Limits: |
In Spey Valley adjacent to Laggan Village in Dalwhinnie district. [Scotland sheet 63E]. |
| Parent Unit: |
Corrieyairack Subgroup (GRCO)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Area |
On crags 2km ESE of Strathmashie House. |
| Reference(s): |
| British Geological Survey. 2000. Dalwhinnie, Scotland. Sheet 63E. Solid Geology 1:50 000. (Keyworth, Nottingham: British Geological Survey.) |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
S063
|
