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...
Hlavní autoři: | , |
---|---|
Médium: | Journal article |
Jazyk: | English |
Vydáno: |
2001
|