The Earth's 'missing' niobium may be in the core.

As the Earth's metallic core segregated from the silicate mantle, some of the moderately siderophile ('iron-loving') elements such as vanadium and chromium are thought to have entered the metal phase, thus causing the observed depletions of these elements in the silicate part of the E...

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Bibliographic Details
Main Authors: Wade, J, Wood, B
Format: Journal article
Language:English
Published: 2001