Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1029/2019GL083732 |
Strength Profile of the Inner Nankai Accretionary Prism at IODP Site C0002 | |
Kitamura, Manami1,2; Kitajima, Hiroko2,3,4; Sone, Hiroki5; Hamada, Yohei6; Hirose, Takehiro6 | |
2019-10-16 | |
发表期刊 | GEOPHYSICAL RESEARCH LETTERS |
ISSN | 0094-8276 |
EISSN | 1944-8007 |
出版年 | 2019 |
文章类型 | Article;Early Access |
语种 | 英语 |
国家 | Japan; USA |
英文摘要 | The strength of accretionary prisms is important for understanding their formation and the generation of earthquakes along the underlying plate boundary faults. We establish a continuous depth profile of rock strength and possible ranges of the minimum and maximum horizontal stresses (S-hmin and S-Hmax) based on indentation tests on cuttings samples at the Integrated Ocean Drilling Program (IODP) Site C0002 in the Nankai accretionary prism. The rock strength (i.e., differential stress) increases with depth from 5.1 and 11.0 MPa at 975 meters below the seafloor (mbsf) to 22.8 and 59.6 MPa at 3005 mbsf in normal and reverse faulting regimes, respectively. The minimum value of S-hmin and the maximum value of S-Hmax range from 33.2 and 49.4 MPa at 975 mbsf to 57.1 and 139.6 MPa at 3005 mbsf, respectively. Our estimated strength, in combination with Coulomb wedge model, may improve understanding of the evolution of accretionary prisms. |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000490468800001 |
WOS关键词 | KUMANO BASIN ; TROUGH ; POROSITY ; MODULUS ; MODEL |
WOS类目 | Geosciences, Multidisciplinary |
WOS研究方向 | Geology |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/187685 |
专题 | 气候变化 |
作者单位 | 1.Hiroshima Univ, Dept Earth & Planetary Syst Sci, Grad Sch Sci, Higashihiroshima, Japan; 2.Natl Inst Adv Ind Sci & Technol, Geol Survey Japan, Tsukuba, Ibaraki, Japan; 3.Texas A&M Univ, Ctr Tectonophys, College Stn, TX 77843 USA; 4.Texas A&M Univ, Dept Geol & Geophys, College Stn, TX USA; 5.Univ Wisconsin, Dept Civil & Environm Engn, Geol Engn Program, Madison, WI 53706 USA; 6.Japan Agcy Marine Earth Sci & Technol JAMSTEC, Kochi Inst Core Sample Res, Kochi, Japan |
推荐引用方式 GB/T 7714 | Kitamura, Manami,Kitajima, Hiroko,Sone, Hiroki,et al. Strength Profile of the Inner Nankai Accretionary Prism at IODP Site C0002[J]. GEOPHYSICAL RESEARCH LETTERS,2019. |
APA | Kitamura, Manami,Kitajima, Hiroko,Sone, Hiroki,Hamada, Yohei,&Hirose, Takehiro.(2019).Strength Profile of the Inner Nankai Accretionary Prism at IODP Site C0002.GEOPHYSICAL RESEARCH LETTERS. |
MLA | Kitamura, Manami,et al."Strength Profile of the Inner Nankai Accretionary Prism at IODP Site C0002".GEOPHYSICAL RESEARCH LETTERS (2019). |
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