caledonian orogeny

n. formation of mountains event which took place during the Silurian and Devonian Periods of the Palaeozoic Era (this formation was recorded in the mountains of northern England, Wales, Scotland, Ireland and west Norway)

The Caledonian orogeny is a mountain building event recorded in the mountains and hills of northern Scotland, Ireland, England, Wales, and west Norway. This event occurred during the Silurian and Devonian Periods of the Palaeozoic Era, roughly 444-416 Mya. This orogeny has been named for Caledonia, the Latin name for Scotland.
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