| Computer Code: |
INAV |
Preferred Map Code: |
notEntered |
| Status Code: |
Full |
| Age range: |
Tonian Period (AT)
— Tonian Period (AT) |
| Lithological Description: |
Gneissose pelite, with schistose amphibolite layers. |
| Definition of Lower Boundary: |
Occurs within the Bettyhill Formation. |
| Definition of Upper Boundary: |
Occurs within the Bettyhill Formation. |
| Thickness: |
c. 100 m (estimate - post-deformational thickness). |
| Geographical Limits: |
Northern Highlands: Sutherland, Strath Naver. |
| Parent Unit: |
Bettyhill Formation (BTYH)
|
| 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. |
| British Geological Survey. 1996. Strathy Point, Scotland. Sheet 115W. Solid Geology, 1:50 000 (Keyworth, Nottingham: British Geological Survey.) |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
S115
|
