Bearreraig Sandstone Formation
Stratigraphic range: Toarcian-Bajocian
~182–171 Ma

PreЄ

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
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
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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]

## See also

* List of fossiliferous stratigraphic units in Scotland

## References

1. ↑ British Geological Survey. "Bearreraig Sandstone Formation". http://www.bgs.ac.uk/lexicon/lexicon.cfm?pub=BEAS.
2. ↑ Clark, N. D. L. (2001-05-01). "A thyreophoran dinosaur from the Early Bajocian (Middle Jurassic) of the Isle of Skye, Scotland". Scottish Journal of Geology 37 (1): 19–26. doi:10.1144/sjg37010019. ISSN 0036-9276. Bibcode: 2001ScJG...37...19C. http://mr.crossref.org/iPage?doi=10.1144/sjg37010019.
3. ↑ Brusatte, Stephen L.; Young, Mark T.; Challands, Thomas J.; Clark, Neil D. L.; Fischer, Valentin; Fraser, Nicholas C.; Liston, Jeff J.; MacFadyen, Colin C. J. et al. (April 2015). "Ichthyosaurs from the Jurassic of Skye, Scotland" (in en). Scottish Journal of Geology 51 (1): 43–55. doi:10.1144/sjg2014-018. ISSN 0036-9276. Bibcode: 2015ScJG...51...43B. http://sjg.lyellcollection.org/lookup/doi/10.1144/sjg2014-018.

## Further reading

* 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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