Bearreraig Sandstone Formation
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The Bearreraig Sandstone Formation is a geological formation in Scotland. It preserves fossils dating back to the lower to middle parts of the Jurassic period (Toarcian–Bajocian).[1] The remains of the proximal portion of a right ulna and radius of an indeterminate thyreophoran dinosaur are known from the formation.[2] The ichthyosaur Dearcmhara is also known from the formation.[3]
Quick Facts Type, Unit of ...
Bearreraig Sandstone Formation | |
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Stratigraphic range: Toarcian-Bajocian ~182–171 Ma | |
Type | Formation |
Unit of | Hebrides Basin |
Sub-units | Druim An Fhurain Sandstone Member, Garantiana Mudstone Member |
Underlies | Cullaidh Shale Formation |
Overlies | Raasay Ironstone Formation |
Thickness | up to 488 m (1,601 ft) |
Lithology | |
Primary | Calcareous sandstone |
Other | Limestone, mudstone |
Location | |
Coordinates | 57.5°N 6.1°W / 57.5; -6.1 |
Approximate paleocoordinates | 45.9°N 4.6°E / 45.9; 4.6 |
Region | Hebrides Basin, Inner Hebrides, Ardnamurchan, Scotland |
Country | United Kingdom |
Type section | |
Named for | Bearreraig Bay |
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