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1. Geological History

   Linked via "Great Decoupling"

   The initial phase, termed the Hadean Eon (approximately $4.54$ to $4.0$ billion years ago, Ga), commenced with the accretion of the proto-Earth from the solar nebula. Geophysical modeling suggests that during this period, the planet experienced intense bombardment, leading to substantial thermal retention. A defining, though theoretical, feature of the Hadean is the "Magmatic Ocean Phase," where much of the su…