Precambrian geological formations at the Butt of Lewis, at the northern tip of the Isle of Lewis. Outer hebrides, Scotland, UK

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The most ancient rocks in Britain are on the Isle of Lewis & nearby parts of the Scottish mainland. They date from the Precambrian era and were deposited over 600 (up to 2,600) million years ago. These Lewisian rocks were probably part of the Canada-Greenland mass before most recent separation of the continents and are devoid of fossils, intensely folded, metamorphosed and intruded by countless dykes. This is an example of Lewisian Gneiss Folds (Cleite Gile) from the Butt of Lewis at the most northerly tip of the Island. The Gneiss bedding (layers) & folding is clearly seen on rock stacks/lumps just offshore, north east of the Butt of Lewis lighthouse.

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Size: 3662px × 4963px
Location: Butt of Lewis, Port Nis, Isle of Lewis, Scotland, UK
Photo credit: © Jean Williamson / Alamy / Afripics
License: Licensed
Model Released: No

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