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physics.geo-ph2025
Pressure dependence of olivine grain growth at upper mantle conditions
Filippe Ferreira, Marcel Thielmann, Robert Farla +2
The grain size of olivine influences mass and heat flux in Earth's upper mantle. We performed annealing experiments on synthetic olivine-pyroxene aggregates (6-13 vol.%) at 1-12 GP…
physics.geo-ph2019
FeOOH instability at the lower mantle conditions
E. Koemets, T. Fedotenko, S. Khandarkhaeva +12
Goethite, α-FeOOH, is a major component among oxidized iron species, called rust, which formed as a product of metabolism of anoxygenic prokaryotes (1, 2) inhabiting the Earth from…