What is recorded here

Cwalca is shown as a cliff on the public map of Powys. The saved point is the map point or the centre of its mapped shape.

Cwalca is a sea cliff composed primarily of Silurian greywacke and mudstone, formed around 440–420 million years ago through sedimentation and subsequent tectonic uplift. It is notable for its exposure of ancient marine sediments that provide insight into Wales' geological history during the Caledonian orogeny.

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