You can call it the revenge of the softies. Rock thought it had it all worked out, geometric purity, eternal hardness, high atomic numbers, crushing abundance, first mover advantage. Then comes along Life, a freak aberration, barely indistinguishable from water, chaotic and brittle, ugly and arbitrary in structure, and it starts chewing on the mighty Rock.

Fast forward billions of years: the entire volume of the planet (where temperature allows macromolecules to exist) is alive somehow... Rock retreats to the molten interior