The BGS Lexicon of Named Rock Units — Result Details
Sand Voe Group
| Computer Code: | SDVO | Preferred Map Code: | notEntered |
|---|---|---|---|
| Status Code: | Full | ||
| Age range: | Tonian Period (AT) — Tonian Period (AT) | ||
| Lithological Description: | Psammite; semipelite, locally pyritic; pelite, garnetiferous; minor metaconglomerate. | ||
| Definition of Lower Boundary: | Overlying Eastern Gneisses (EGNS) (equivalent of Lewisian Gneiss), presumably via a highly sheared unconformity. | ||
| Definition of Upper Boundary: | Overlain by rocks of the Queyfirth Group (QYFH) (equivalent of Dalradian), separated by a shear zone, (Virdibreck Shear Zone). | ||
| Thickness: | c. 800 m: deformed. | ||
| Geographical Limits: | Shetland; NW Mainland, west of the Walls Boundary Fault. | ||
| Parent Unit: | Wester Ross Supergroup (WROS) | ||
| Previous Name(s): | Fethaland 'Series' [Obsolete Name and Code: Use SDVO]
(*697)
Fethaland 'Series' [Obsolete Name And Code: See SDVO] (FETH) |
||
| 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. 2004. Northmaven, Scotland Sheet No. 129, 1:50,000 scale. | |||
| Flinn, D. 1988. The Moine rocks of Shetland. In: Later Proterozoic Stratigraphy of the Northern Atlantic Regions, p. 74-85. Winchester, J A (editor). (Blackie.) | |||
| Mykura W, 1976 British Regional Geology: Orkney and Shetland (HMSO, Edinburgh).] | |||
| Pringle, I. 1970. The structural geology of the North Roe area of Shetland. Geological Journal, Vol. 7, 147-170. | |||
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: | |||
| S129 | |||