v. 1. Drift of the Canadian Shield / J.A. Donaldson [and others] -- Geological interpretation of palaeomagnetic results from the African Precambrian / J.D.A. Piper -- Precambrian polar wander and ...
Graphic showing the Mid-Atlantic Ocean Ridge (red line) and how melting ice from Greenland caused changes in the motion of Earth's crust (purple arrows). Around 10,000 years ago as the last Ice Age ...