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, 99 (22), 13966-8

The Inner Inner Core of Earth

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The Inner Inner Core of Earth

Don L Anderson. Proc Natl Acad Sci U S A.

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  • Proc Natl Acad Sci U S A 2002 Dec 24;99(26):17222

Figures

Fig 1.
Fig 1.
View of the Earth's interior. The volumetric relation of the various regions of the core to the whole Earth is shown: outer core (pale blue) occupies 15%, the inner core (pink) occupies less than 1%, and the innermost inner core (red) constitutes only 0.01% of the Earth's volume. The Earth's core lies beneath 3,000-km thick, heterogeneous mantle (anomalies with higher than average seismic speed are shown in blue and those with lower than average speed are shown in red), making investigations of core properties challenging.

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