Experimental evidence for metallic melt trapping in the deep Martian mantle – Implications for inefficient melt segregation and highly siderophile element retention

2026/07/25 by K. Tsuno, Kyusei Tsuno, H. Kuwahara +8
Physics and Astronomy · Earth and Planetary Sciences · #Planetary Science and Exploration #High-pressure geophysics and materials #Geological and Geochemical Analysis

paper · doi:10.1016/j.epsl.2026.120246

Citations

• Valence state partitioning of Cr between pyroxene-melt: Effects of pyroxene and melt composition and direct determination of Cr valence states by XANES. Application to Martian basalt QUE 94201 composition
• Highly siderophile elements in chondrites
• Fe 2+ -Mg partitioning between garnet, magnesiowüstite, and (Mg,Fe) 2 SiO 4 phases of the transition zone
• Sulfur content at sulfide saturation of peridotitic melt at upper mantle conditions