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

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 Dec 1

ASJC Scopus subject areas

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Kumazawa, M., Sawamoto, H., Ohtani, E., & Masaki, K. (1974). Postspinel phase of forsterite and evolution of the Earth's mantle. Nature, 247(5440), 356-358. https://doi.org/10.1038/247356a0

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AU - Masaki, Kazuaki

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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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