Around 10,000 years ago, as the last Ice Age drew to a close, the drifting of the continent of North America, and spreading ...

Around 10,000 years ago as the last Ice Age drew to a close, the drifting of the continent of North America, and spreading in ...

Plate tectonics is geology’s Theory of Everything. The realisation in the 1960s that Earth’s crust is made of fragments ...