Geochronology

Geochronology

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'The mountains near here formed when the ... Newfoundland ... microplate collided with, uhh ... Labrador.' 'Ok, now you're definitely just naming dogs.' 'Wait, no, that's actually almost correct.'

Special 10th anniversary edition of WHAT IF?—revised and annotated with brand-new illustrations and answers to important questions you never thought to ask—coming from November 2024. Preorder here!