Experimental investigation of reaction-induced shear instability at high pressure
Project/Area Number |
25247089
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Research Category |
Grant-in-Aid for Scientific Research (A)
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Allocation Type | Single-year Grants |
Section | 一般 |
Research Field |
Petrology/Mineralogy/Economic geology
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Research Institution | Kyushu University |
Principal Investigator |
KUBO TOMOAKI 九州大学, 理学研究院, 准教授 (40312540)
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Co-Investigator(Kenkyū-buntansha) |
肥後 祐司 公益財団法人高輝度光科学研究センター, その他部局等, 研究員 (10423435)
上原 誠一郎 九州大学, 理学(系)研究科(研究院), 助教 (70158773)
金嶋 聰 九州大学, 理学(系)研究科(研究院), 教授 (80202018)
加藤 工 九州大学, 理学(系)研究科(研究院), 教授 (90214379)
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Project Period (FY) |
2013-04-01 – 2017-03-31
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Project Status |
Completed (Fiscal Year 2016)
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Budget Amount *help |
¥38,870,000 (Direct Cost: ¥29,900,000、Indirect Cost: ¥8,970,000)
Fiscal Year 2016: ¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2015: ¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2014: ¥6,760,000 (Direct Cost: ¥5,200,000、Indirect Cost: ¥1,560,000)
Fiscal Year 2013: ¥23,530,000 (Direct Cost: ¥18,100,000、Indirect Cost: ¥5,430,000)
|
Keywords | 深発地震 / 変形実験 / 高圧実験 / AE測定 / 放射光X線その場観察 / 蛇紋石 / 脱水反応 / 反応と流動の相互作用 / 高圧変形実験 / 放射光その場観察 / 反応と流動 / 多点AE測定 / 高温高圧変形実験 / 放射光その場観察実験 |
Outline of Final Research Achievements |
Serpentine dehydration has been one of the important candidates for triggering intermediate-depth earthquakes. In order to examine this topic, we developed an AE monitoring system for high-pressure reaction-deformation processes combined with Deformation-DIA apparatus and synchrotron monochromatic X-ray. We applied this technique to investigate shear instability during antigorite dehydration in pure shear up to ~7 GPa and ~600°C . Almost no AEs were detected within the antigorite samples during deformation and syndeformational dehydration. Instead, we detected some AEs outside the sample at around the boundaries of cylindrical parts. Our results suggest that dehydration of antigorite do not directly trigger shear instability at high pressures at least in pure shear under drained condition.
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Report
(5 results)
Research Products
(40 results)
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[Presentation] Formation of metastable lingunite2015
Author(s)
KONO, M., KUBO, T., KATO, T., UEHARA, S., KONDO, T., KIKEGAWA, T., HIGO, Y., TANGE, Y.
Organizer
日本地球惑星連合2015年度大会
Place of Presentation
幕張
Year and Date
2015-05-28
Related Report
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[Presentation] Flow behaviors and AE activities during syndeformational antigorite dehydration at high pressures2015
Author(s)
IWASATO, T. KUBO, T., HIGO, Y., KATO, T., KANESHIMA, S., UEHARA, S., TANGE, Y.
Organizer
日本地球惑星連合2015年度大会
Place of Presentation
幕張
Year and Date
2015-05-26
Related Report
Int'l Joint Research
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[Presentation] シンクロトロン放射光分析による鉱物の高圧相転移とレオロジーに関する研究2013
Author(s)
土井菜保子, 加藤工, 久保友明, 野田真彦, 長與陽子, 今村公裕, 白石令, 鈴木昭夫, 大谷栄治, 西原遊, 亀掛川卓美, 肥後祐司
Organizer
日本地球惑星連合2013年度大会
Place of Presentation
千葉
Related Report
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