Tom Scott
The 400,000,000-Year Link Between Scotland and Canada
S5 • E13 Mar 23, 2015 2m
Back in the Caledonian orogeny, 400 million years ago, two bits of the Earth's crust began to collide. The result, a long time later, was the Central Pangaean Mountains: and now, you can find their remnants all over the globe.
