| Computer Code: |
DASG |
Preferred Map Code: |
notEntered |
| Status Code: |
Index Level |
| Age range: |
Neoproterozoic Era (AZ)
— Neoproterozoic Era (AZ) |
| Lithological Description: |
[Obsolete: use FORD, SNDL, TNPL] Mica schists, phyllite, black schists as well as limestone and quartzite. |
| Definition of Lower Boundary: |
Drawn at base of limestone of Sandend Formation where it rests conformably on phyllite and actinolite-schists of the Garron Point Formation. |
| Definition of Upper Boundary: |
Drawn at unconformable upward passage from mica-schists and phyllite of the Sandend Formation to tillite of the Durnhill Quartzite. |
| Thickness: |
1320 metres approx. |
| Geographical Limits: |
Grampian, Scotland. |
| Parent Unit: |
none recorded or not applicable
|
| Previous Name(s): |
Sandend Group [Obsolete Name and Code: Use DASG, LIML]
(-2740)
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Area |
Sandend, Grampian, Scotland. |
| Reference(s): |
| Read, H H, 1921. The Banffshire Coast section of the Highland Schists. Summary of Progress of the Geological Survey of Great Britain for 1920, p.70. |
| Johnstone, G S, 1966. The Grampian Highlands. British Regional Geology. |
| Read, H H, 1923. Geology of the country around Banff, Huntly and Turriff, Lower Banffshire and north-west Aberdeenshire. Memoir of the Geological Survey, Scotland Sheets 86 and 96 (Scotland). |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
| none recorded or not applicable |
