High-pressure polymorphs in shocked meteorites

Masaaki Miyahara

Research output: Contribution to journalArticlepeer-review


Some meteorites experienced transient high-pressure and -temperature conditions on its parent -body. High-pressure polymorphs form in and around shock-melt veins of shocked meteorites. Recent developed Nano-technologies such as TEM and FIB system allow us to scrutinize high-pressure polymorphs in shocked meteorites. We here introduce the occurrences, natures and formation mechanisms of high-pressure polymorph of olivine and silica in shocked meteorites and their implications for planetary science.

Original languageEnglish
Pages (from-to)19-24
Number of pages6
JournalJapanese Magazine of Mineralogical and Petrological Sciences
Issue number1
Publication statusPublished - 2015 Jan 1


  • High-pressure polymorph
  • Olivine
  • Shocked meteorite
  • Silica

ASJC Scopus subject areas

  • Geochemistry and Petrology
  • Economic Geology


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