Coastal rocks at Kirk Lanes
Introduction
The photograph on this page of Coastal rocks at Kirk Lanes by Bill Harrison as part of the Geograph project.
The Geograph project started in 2005 with the aim of publishing, organising and preserving representative images for every square kilometre of Great Britain, Ireland and the Isle of Man.
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Image: © Bill Harrison Taken: 5 Jun 2022
These appear to be Cairnbulg diorite (https://en.wikipedia.org/wiki/Diorite ), being igneous bedrock formed approximately 444 to 485 million years ago in the Ordovician Period by intrusions of silica-poor magma.