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Viscous strengthening followed by slip weakening during frictional melting of chert
http://hdl.handle.net/2241/00157100
http://hdl.handle.net/2241/00157100e71218e3-b534-4e5b-bc0c-65423995f797
名前 / ファイル | ライセンス | アクション |
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EPS_71-55 (1.9 MB)
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Item type | Journal Article(1) | |||||
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公開日 | 2019-07-12 | |||||
タイトル | ||||||
タイトル | Viscous strengthening followed by slip weakening during frictional melting of chert | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
著者 |
氏家, 恒太郎
× 氏家, 恒太郎× Motohashi, Ginta× Oohashi, Kiyokazu |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Pelagic chert is one of the major lithologies in accretionary complexes. Thus, frictional properties of chert at seismic slip rates are important for understanding of earthquake faulting in subduction zones. Here, we conducted high-velocity friction experiments on chert collected from the Jurassic accretionary complex in central Japan at a slip rate of 1.3 m/s and normal stresses of 5–13 MPa under room humidity conditions. The results show that initial slip weakening was followed by slip strengthening and subsequent second slip weakening toward a steady-state shear strength. Slip strengthening resulted from the formation of a silica-rich melt layer at lower melting temperatures than expected, which could be due to the presence of water in the illite-containing chert. The second slip weakening may be occurred due to a decrease in shear strain rate associated with the thickening of the melt layer. | |||||
書誌情報 |
Earth, planets and space 巻 71, p. 55, 発行日 2019-05 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1343-8832 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1880-5981 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA11211921 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1186/s40623-019-1035-5 | |||||
権利 | ||||||
権利情報 | © The Author(s) 2019. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creat iveco mmons .org/licen ses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. | |||||
著者版フラグ | ||||||
値 | publisher | |||||
出版者 | ||||||
出版者 | Springer |