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- 片山 郁夫
- 広島大学大学院理学研究科地球惑星システム学
書誌事項
- タイトル別名
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- Frictional Characteristics of Clay Minerals and Implication for Earthquakes at Subduction Zone
- ネンド コウブツ ノ マサツ トクセイ ト シズミ コミ プレート キョウカイ ジシン ノ カンレンセイ
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抄録
<p>Clay minerals are considered to play important roles in the generation and nature of earthquakes occurred at subduction zone because of their unique frictional characteristics. Friction coefficients of clay minerals are strongly influenced by the presence of water due to incorporating interlayer water into the structure and absorption onto the crystal surfaces. Velocity dependence of friction is generally characterized by velocity-strengthening (stable sliding) at relatively low temperatures, however, as elevating temperature, clay minerals show velocity-weakening behavior (unstable sliding). Frictional healing of clay minerals is significantly smaller than other silicates such as quartz under wet environments, suggesting weak fault strength on the clay-rich surfaces. These distinctive frictional characteristics of clay minerals may explain regional variation and complex behavior of earthquakes on the subducting plate interface.</p>
収録刊行物
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- 粘土科学
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粘土科学 54 (3), 114-119, 2016
一般社団法人 日本粘土学会
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詳細情報 詳細情報について
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- CRID
- 1390282679089740928
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- NII論文ID
- 130006243007
- 40020874899
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- NII書誌ID
- AN00199972
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- ISSN
- 21863563
- 04706455
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- NDL書誌ID
- 027470082
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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
- CiNii Articles
- KAKEN
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- 抄録ライセンスフラグ
- 使用不可