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Barra


Barra or Eilean Bharraigh is an island in the Outer Hebrides, Scotland, and the second southernmost inhabited island there, after the adjacent island of Vatersay to which it is connected by a short causeway. The island is named after Saint Finbarr of Cork.

In 2011, the population was 1,174. Gaelic is widely spoken, and at the 2011 Census, there were 761 Gaelic speakers (62% of the population).

In common with the rest of the Western Isles, Barra is formed from the oldest rocks in Britain, the Lewisian gneiss, which dates from the Archaean eon. Some of the gneiss in the east of the island is noted as being pyroxene-bearing. Layered textures or foliation in this metamorphic rock is typically around 30⁰ to the east or northeast. Palaeoproterozoic age metadiorites and metatonalites forming a part of the East Barra Meta-igneous Complex occur around Castlebay as they do on the neighbouring islands of Vatersay and Flodday. A few metabasic dykes intrude the gneiss in the east.The island is traversed by a handful of normal faults running WNW-ESE and by west-facing thrust faults bringing nappes of gneiss from the east. Blown sand masks the bedrock around Borve and Allisdale as it does west of Barra airport. Peat deposits are mapped across Beinn Chliaid and Beinn Sgurabhal in the north of the island.



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