Chapter 3

Overturning old ideas


“The notions that we had before as to how we might understand the Earth, well, they stretched one’s imagination as a physicist quite strongly. To expand the Earth by a factor of two since the Jurassic, that’s only a twentieth of the Earth’s history. What could suddenly cause the Earth to expand by a factor of two? And the density change by a factor of 8? It was really pretty bizarre,” notes McKenzie. “All of that disappeared overnight. Essentially people just looked silly if they stuck by their old notions. Various people did, like Carey and Belussov, but they were basically ignored.”

MAP REFERENCE: Belussov’s Tectonic Map of the USSR