Magma in the earth's interior

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Knowledge about magma in the interior of the Earth is important to understand the formation and evolution of the early Earth, and the volcanic activity of current Earth. In order to replicate the Earth's internal conditions and study the deep magma, high-pressure techniques are necessary. In this article, high-pressure experiments on silicate melt/glass and newly acquired results are reviewed with focusing on the following 3 topics; (1) the gravitational stability and the mobility of magma in the Earth's and planetary interiors based on physical property (e.g., density and viscosity) measurements; (2) the eŠect of volatile components, such as H2O and CO2, onmagma density; (3) the relationship between the degree of polymerization and the structure/properties of silicate melts and glasses under high-pressure condition.

Original languageEnglish
Pages (from-to)165-171
Number of pages7
JournalReview of High Pressure Science and Technology/Koatsuryoku No Kagaku To Gijutsu
Issue number2
Publication statusPublished - 2015


  • Degree of polymerization
  • Density
  • Elastic velocity
  • Magma
  • Silicate glass
  • Structure
  • Viscosity
  • Volatile component


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