Ardvreck Group
Ardvreck Group Stratigraphic range: Lower Cambrian | |
---|---|
Type | Group |
Sub-units | , |
Underlies | Durness Group |
Overlies | Lewisian complex or Torridonian Supergroup |
Thickness | up to 142 m |
Lithology | |
Primary | quartzite, quartz arenite |
Location | |
Region | Hebridean Terrane |
Country | Scotland |
Extent | Northwest Highlands |
Type section | |
Named for | Ardvreck Castle |
The Ardvreck Group is a stratigraphic group of early Cambrian age found in the Northwest Highlands of Scotland. It lies unconformably on gneisses of the Lewisian complex or sandstones of the Torridonian Supergroup. It consists of two formations, the basal quartzites and quartz arenites of the and the overlying dolomitic siltstones and sandstones and quartz arenites of the . It is overlain conformably by the of the Durness Group. The Ardvreck Group was at one time known as the "Eriboll Group".[1]
References[]
- ^ British Geological Survey. "Ardvreck Group". BGS Lexicon of Named Rock Units. Retrieved 2018-03-09.
Categories:
- Geological groups of the United Kingdom
- Geology of Scotland
- Cambrian