Lopsided Growth of Earth's Inner Core

  title={Lopsided Growth of Earth's Inner Core},
  author={Marc Monnereau and Marie Calvet and Ludovic Margerin and Annie Souriau},
  pages={1014 - 1017}
Clearing Up the Inner Core The behavior of Earth's core controls the planet's heat budget and magnetic field, yet its structure remains enigmatic. For instance, the seismic properties of the solid inner core suggest hemispherical structural asymmetry, but questions remain as to how these variations arose (see the Perspective by Buffett). Monnereau et al. (p. 1014, published online 15 April) modeled grain sizes of crystalline iron—the predicted dominant mineral phase in the core—and found that a… Expand
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