Crust and Mantle (IMAGE)

University of California - Davis

Crust and Mantle

Caption

This schematic of Earth’s crust and mantle shows the results of a new study that found that extreme pressures would have concentrated iron’s heavier isotopes near the bottom of the mantle as it crystallized from an ocean of magma to its solid form 4.5 billion years ago.

Credit

Louise Kellogg, modified by James Rustad & Qing-zhu Yin/UC Davis

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