Bearreraig Sandstone Formation
Stratigraphic range: Toarcian-Bajocian ~182–171 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Cross-bedded sandstone of the Bearrereaig Sandstone Formation near Glasnakille, Skye
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°30′N 6°06′W / 57.5°N 6.1°W / 57.5; -6.1
Approximate paleocoordinates	45°54′N 4°36′E / 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
Bearreraig Sandstone Formation (the United Kingdom) Show map of the United Kingdom Bearreraig Sandstone Formation (Scotland) Show map of Scotland

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]

• List of fossiliferous stratigraphic units in Scotland

• R. M. Bateman, N. Morton, and B.L. Dower. 2000. Early Middle Jurassic plant communities in Northwest Scotland: Paleoecological and paleoclimatic significance. GeoResearch Forum 6:501-512

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