Hunter’s Craig to Snab Point

Snab Point is a black, crystalline rock formed when hot magma was intruded between layers of sedimentary rocks. This sill forms the westerly portion of the Point, while the contact between it and baked mudstones can be seen just east of the Point. A succession of varied sedimentary rocks including sandstones, mudstones, siltstones with fossilized plant fragments and a 15 cm thick coal seam are exposed between Snab Point and Hunter’s Craig (Eagle Rock). The latter is made of a succession of sandstones demonstrating sedimentary features such as ‘cross-bedding’ and ‘ripple marks’ – a tell-tale sign that these rocks formed in a river system. On the eastern side of the Craig is a carving, allegedly an eagle from Roman times, and is where the name Eagle’s Rock comes from.

Geology of Cramond leaflet

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