sample preparation procedure and result of reference material measurements.

DOI NDL Digital Collections Web Site Web Site 18 References
  • Ejima Terumi
    AIST, Geological Survey of Japan, Research Institute for Geo-Resources and Environment
  • Kon Yoshiaki
    AIST, Geological Survey of Japan, Research Institute for Geo-Resources and Environment
  • Araoka Daisuke
    AIST, Geological Survey of Japan, Research Institute for Geo-Resources and Environment

Bibliographic Information

Other Title
  • SHRIMP によるジルコンU-Pb 年代測定：試料調製法及び標準試料測定結果
  • 概報 SHRIMPによるジルコンU-Pb年代測定 : 試料調製法及び標準試料測定結果
  • ガイホウ SHRIMP ニ ヨル ジルコン U-Pb ネンダイ ソクテイ : シリョウ チョウセイホウ オヨビ ヒョウジュン シリョウ ソクテイ ケッカ
Published
2016
Resource Type
journal article
DOI
  • 10.9795/bullgsj.67.59
Publisher
National Institute of Advanced Industrial Science and Technology, Geological Survey of Japan

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Description

U-Pb zircon dating is a useful method for determining precise ages of solidification of igneous rocks within a wide range of geological time scale. Thus, we set up SHRIMP (Sensitive High Resolution Ion MicroProbe) U-Pb zircon dating method and sample preparation procedure for SHRIMP analysis in a laboratory of Geological Survey of Japan, AIST. First, zircons in the samples were separated effectively using SHLFRAG Lab (high voltage pulse power fragmentation), heavy liquid, and so on. The separated zircons were mounted on resin followed by polishing, Au-coating, and cathodoluminescence observation. Then, SHRIMP U-Pb ages of zircon reference materials (R33, OG1, and 91500) with Paleozoic to Eoarchean Era were determined. All dating results were corresponding to the reference ages within the analytical error, indicating that accurate SHRIMP U-Pb zircon dating could be established in AIST.

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