Caithness Flagstone Group
The Caithness Flagstone Group is a Devonian lithostratigraphic group (a sequence of rock strata) in northern Scotland. The name is derived from the traditional county of Caithness where the strata are well exposed, especially in coastal cliffs.
Caithness Flagstone Group | |
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Stratigraphic range: Eifelian (Devonian) | |
The Sandwick Fish Bed | |
Type | Group |
Unit of | Old Red Sandstone Supergroup |
Sub-units | Upper Stromness Flagstone Formation, Lower Stromness Flagstone Formation |
Underlies | Eday Group |
Overlies | Yesnaby Sandstone Group |
Thickness | over 2,000 m (6,600 ft) |
Lithology | |
Primary | Sandstone |
Other | Mudstone, siltstone |
Location | |
Region | Orkney, Shetland, Highland |
Country | Scotland |
Extent | Moray Firth to Shetland |
Type section | |
Named for | Caithness |
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