Chemistry and mineralogy of earth's mantle. Evidence for multiple diamondite forming events in the mantle

Jun Wu, P R Buseck

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Transmission electron microscopy in combination with in situ high-pressure and high-temperature measurements is uniquely able to provide high-resolution data about materials under conditions resembling those in Earth's interior. By using nanocontainers made of graphitized carbon, it is possible to achieve pressures and temperatures up to at least 40 GPa and 1500 °C, respectively. A wide range of relatively simple minerals have been studied using this approach. Results to date show the influence of crystallographic defects in concentrating and storing carbon within analogs to minerals occurring deep inside Earth.

Original languageEnglish (US)
Pages (from-to)1521-1527
Number of pages7
JournalAmerican Mineralogist
Volume99
Issue number8-9
DOIs
StatePublished - Aug 1 2014

Keywords

  • In situ transmission electron microscopy
  • carbon nano-onions (CNOs)
  • carbon nanocontainers
  • carbon nanofibers (CNFs)
  • carbon nanotubes (CNTs)
  • high-pressure measurements

ASJC Scopus subject areas

  • Geophysics
  • Geochemistry and Petrology

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