Postspinel phase of forsterite and evolution of the Earth's mantle

Mineo Kumazawa; Hiroshi Sawamoto; Eiji Ohtani; Kazuaki Masaki

doi:10.1038/247356a0

Postspinel phase of forsterite and evolution of the Earth's mantle

Mineo Kumazawa, Hiroshi Sawamoto, Eiji Ohtani, Kazuaki Masaki

SCI - Earth Science

Research output: Contribution to journal › Article › peer-review

53 Citations (Scopus)

Abstract

THIS is the first announcement of success in the experimental confirmation of the postspinel phase of forsterite at high pressure and high temperature. Forsterite (Mg₂SiO₄) decomposes to periclase (MgO) and stishovite (SiO₂) at 330 kbar and 1,000° C. Forsterite is a major constituent of the Earth's mantle and the phase of forsterite composition at high pressure places a strong constraint on the nature of the transition layer and also on the composition and evolution of the Earth.

Original language	English
Pages (from-to)	356-358
Number of pages	3
Journal	Nature
Volume	247
Issue number	5440
DOIs	https://doi.org/10.1038/247356a0
Publication status	Published - 1974

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abstract = "THIS is the first announcement of success in the experimental confirmation of the postspinel phase of forsterite at high pressure and high temperature. Forsterite (Mg2SiO4) decomposes to periclase (MgO) and stishovite (SiO2) at 330 kbar and 1,000° C. Forsterite is a major constituent of the Earth's mantle and the phase of forsterite composition at high pressure places a strong constraint on the nature of the transition layer and also on the composition and evolution of the Earth.",

author = "Mineo Kumazawa and Hiroshi Sawamoto and Eiji Ohtani and Kazuaki Masaki",

year = "1974",

doi = "10.1038/247356a0",

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T1 - Postspinel phase of forsterite and evolution of the Earth's mantle

AU - Kumazawa, Mineo

AU - Sawamoto, Hiroshi

AU - Ohtani, Eiji

AU - Masaki, Kazuaki

PY - 1974

Y1 - 1974

N2 - THIS is the first announcement of success in the experimental confirmation of the postspinel phase of forsterite at high pressure and high temperature. Forsterite (Mg2SiO4) decomposes to periclase (MgO) and stishovite (SiO2) at 330 kbar and 1,000° C. Forsterite is a major constituent of the Earth's mantle and the phase of forsterite composition at high pressure places a strong constraint on the nature of the transition layer and also on the composition and evolution of the Earth.

AB - THIS is the first announcement of success in the experimental confirmation of the postspinel phase of forsterite at high pressure and high temperature. Forsterite (Mg2SiO4) decomposes to periclase (MgO) and stishovite (SiO2) at 330 kbar and 1,000° C. Forsterite is a major constituent of the Earth's mantle and the phase of forsterite composition at high pressure places a strong constraint on the nature of the transition layer and also on the composition and evolution of the Earth.

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Postspinel phase of forsterite and evolution of the Earth's mantle

Abstract

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