Influence of garnet hosts on the Raman spectra of quartz inclusions

  • ENAMI Masaki
    Department of Earth and Planetary Sciences, Nagoya University Present address: Center for Chronological Research, Nagoya University

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説明

Raman spectra of five natural garnet grains with compositions close to those of the endmember species almandine, spessartine, pyrope, grossular, and andradite were measured. Spectral data for the garnet grains are used to study the interference with the three intense peaks from quartz (labeled as Q01, Q02, and Q03 in order of decreasing wavenumber) that are usually employed in quartz Raman barometry. The peaks from grandite garnet do not interfere with these three peaks from quartz. The pyralspite garnet spectrum has a clear peak at 209-221 cm-1 that significantly interferes with the Q02 peak from quartz. Quartz Raman barometry is usually applied to a quartz inclusion in a garnet host. To avoid interference of the host garnet spectrum on the quartz Raman barometry results, it is strongly recommended that spectra with less intense garnet peaks are considered, e.g., with IG05 < IQ02, where IG05 and IQ02 denote the normalized intensities of the most intense peak from the pyralspite garnet (labeled G05) and the Q02 peak from quartz, respectively.

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詳細情報 詳細情報について

  • CRID
    1390001206546141440
  • NII論文ID
    10030868699
  • NII書誌ID
    AA11460926
  • DOI
    10.2465/jmps.111216
  • COI
    1:CAS:528:DC%2BC38XhsFOqt77E
  • ISSN
    13493825
    13456296
  • 本文言語コード
    en
  • データソース種別
    • JaLC
    • Crossref
    • CiNii Articles
    • OpenAIRE
  • 抄録ライセンスフラグ
    使用不可

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