School of GeoSciences

School of GeoSciences

Siccar Point Field Excursion Preview

Lower Silurian Palaeogeography

In the Lower Silurian period, about 425 million years ago, there was a mountain chain stretching across north-west scotland. To the south-east lay a trench marking the edge of the subduction zone which was consuming the Iapetus ocean.

Palaeogeography