Science news articles about 'mantle minerals'

... information and hypotheses into a coherent story to clarify mantle motion. “The past maybe two or three ... high pressure phase of the most abundant lower mantle mineral called post-perovskite, a material ...

... (ferric) iron (Fe3+) in the two major mantle minerals is key to moving heat in that region. ... amount of light we are able to see through these mantle materials under extreme pressures and temperatures ...

... the carbon dioxide comes directly from the upper mantle, just below the East African Rift," ... nephelinites, were produced by melting of typical upper mantle minerals--which don't have a high carbon ...