Bow Fiddle Rock
It is composed of Quartzite, a metamorphic rock which was originally quartz sandstone. This rock is part of the Cullen Quartzite formation which is seen along the coast between Buckie and Cullen. The formation is some 2,400m thick and dates from the Neoproterozoic Era, 1,000 to 541 million years ago.
These rocks were folded when the ancient continents of Laurentia and Avalonia collided during the Caledonian orogeny. They later became exposed at the surface where sea and weather eroded the structure seen today.
- "Bow Fiddle Rock, Portknockie". Scottish Geology. Scottish Geodiversity Forum. Retrieved 13 September 2015.
- "Cullen Quartzite Formation". British Geological Survey. Natural Environment Research Council. Retrieved 13 September 2015.
- "BOW FIDDLE ROCK - PORTKNOCKIE". Britain Explorer. Curious Britannia Ltd. Retrieved 13 September 2015.
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