Incongruent melting of Mg2SiO4 at 20 GPa

Takumi Kato; Mineo Kumazawa

doi:10.1016/0031-9201(85)90097-4

Incongruent melting of Mg₂SiO₄ at 20 GPa

Takumi Kato, Mineo Kumazawa

Material Science of Solar Planets

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14 Citations (Scopus)

Abstract

The melting mode of Mg₂SiO₄ in a modified spinel phase is studied experimentally at a pressure of 20 GPa. Mg₂SiO₄ is proved to melt incongruently into periclase, MgO, and Si-rich liquid, though an incongruent melting involving phase B, Mg₂₃Si₈O₄₂H₆, intervenes at the transitional temperatures under hydrous conditions.

Original language	English
Pages (from-to)	1-5
Number of pages	5
Journal	Physics of the Earth and Planetary Interiors
Volume	41
Issue number	1
DOIs	https://doi.org/10.1016/0031-9201(85)90097-4
Publication status	Published - Dec 1 1985

All Science Journal Classification (ASJC) codes

Astronomy and Astrophysics
Geophysics
Physics and Astronomy (miscellaneous)
Space and Planetary Science

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10.1016/0031-9201(85)90097-4

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abstract = "The melting mode of Mg2SiO4 in a modified spinel phase is studied experimentally at a pressure of 20 GPa. Mg2SiO4 is proved to melt incongruently into periclase, MgO, and Si-rich liquid, though an incongruent melting involving phase B, Mg23Si8O42H6, intervenes at the transitional temperatures under hydrous conditions.",

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AU - Kumazawa, Mineo

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N2 - The melting mode of Mg2SiO4 in a modified spinel phase is studied experimentally at a pressure of 20 GPa. Mg2SiO4 is proved to melt incongruently into periclase, MgO, and Si-rich liquid, though an incongruent melting involving phase B, Mg23Si8O42H6, intervenes at the transitional temperatures under hydrous conditions.

AB - The melting mode of Mg2SiO4 in a modified spinel phase is studied experimentally at a pressure of 20 GPa. Mg2SiO4 is proved to melt incongruently into periclase, MgO, and Si-rich liquid, though an incongruent melting involving phase B, Mg23Si8O42H6, intervenes at the transitional temperatures under hydrous conditions.

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Incongruent melting of Mg₂SiO₄ at 20 GPa

Abstract

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