書誌事項
- タイトル別名
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- Preparation condition of rock thin section for electron backscatter diffraction analysis:
- 岩石薄片のSEM-EBSD分析における試料前処理条件の紹介 : 石英および方解石の例
- ガンセキ ハクヘン ノ SEM-EBSD ブンセキ ニ オケル シリョウ マエショリ ジョウケン ノ ショウカイ : セキエイ オヨビ ホウカイセキ ノ レイ
- Examples of quartz and calcite
- 石英および方解石の例
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抄録
Crystallographic orientations of minerals were determined by electron backscatter diffraction (EBSD) under a scanning electron microscope. In this study, we introduce a technique for vibratory polishing of rock samples using colloidal silica (CS), for EBSD analysis of quartz in granite and calcite in limestone. Evaluation of the surface state consisted of a band contrast (BC) measure to represent the surface state, a hit rate to represent the success rate of indexing, and a mean angular deviation (MAD) to represent the accuracy of indexing. The factor that most affected the BC and the hit rate was the total amount of displacement of the sample. However, the BC and hit rate also showed a dependency on the crystallographic orientation. When eight Kikuchi bands were detected, the value of the MAD was < 1°, and the MAD was independent of the BC. The BC measure showed that the optimal CS polishing times for quartz and calcite were 3 hours and 1 hour, respectively. When preparing a sample with for the first time, CS polishing for 3 hours and detection of the eight Kikuchi bands provide the most effective method for determining crystallographic orientations.
収録刊行物
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- 地質学雑誌
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地質学雑誌 121 (11), 421-427, 2015-11-15
一般社団法人 日本地質学会
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詳細情報 詳細情報について
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- CRID
- 1390282681217165184
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- NII論文ID
- 130005127182
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- NII書誌ID
- AN00141768
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- ISSN
- 13499963
- 00167630
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- NDL書誌ID
- 026977090
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
- Crossref
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- KAKEN
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- 抄録ライセンスフラグ
- 使用不可