中源地震脱水脆变机制的岩石学研究进展

被引：3

作者：

夏阳

张立飞

机构：

[1] 造山带与地壳演化教育部重点实验室,北京大学地球与空间科学学院

来源：

地球科学进展 | 2013年 / 28卷 / 09期

关键词：

中源地震; 脱水脆变机制; 古俯冲带; 野外地震证据;

D O I：

暂无

中图分类号：

P315 [地震学];

学科分类号：

摘要：

中源地震的成因机制问题一直是固体地球科学研究的热点问题,其中被广泛接受的是脱水脆变机制。中源地震带在俯冲板块中多呈双层带状分布,分别对应着含水变玄武岩层与岩石圈地幔蛇纹岩层的脱水过程。在过去的研究中,对中源地震脱水脆变机制的主要验证研究方法包括:①理论研究与活动俯冲带地震数据解释;②高温高压实验室模拟研究。而最近10年,陆续在阿尔卑斯等古俯冲带中发现了出露于地表的榴辉岩相假玄武玻璃或脆性破裂岩,被认为是古中源地震的直接野外岩石学证据,从而成为研究中源地震的一种新的途径。重点介绍了中源地震脱水脆变机制的岩石学研究进展。

引用

页码：997 / 1006

页数：10

共 12 条

[1] 假玄武玻璃的研究进展与现状
刘建民
董树文
[J]. 地质论评, 2001, (01) : 64 - 69
[2] The relationship of intermediate- and deep-focus seismicity to the hydration and dehydration of subducting slabs[J] . C. Grace Barcheck,Douglas A. Wiens,Peter E. van Keken,Bradley R. Hacker.Earth and Planetary Science Letters . 2012
[3] Plate subduction, and generation of earthquakes and magmas in Japan as inferred from seismic observations: An overview[J] . Akira Hasegawa,Junichi Nakajima,Naoki Uchida,Tomomi Okada,Dapeng Zhao,Toru Matsuzawa,Norihito Umino.Gondwana Research . 2009 (3)
[4] Dehydration and earthquakes in the subducting slab: empirical link in intermediate and deep seismic zones[J] . Soichi Omori,Tetsuya Komabayashi,Shigenori Maruyama.Physics of the Earth and Planetary Interiors . 2004 (1)
[5] A fluid-pressure feedback model of dehydration reactions: experiments, modelling, and application to subduction zones[J] . S.A. Miller,W. van der Zee,D.L. Olgaard,J.A.D. Connolly.Tectonophysics . 2003 (1)
[6] High-pressure metamorphism and deep-crustal seismicity: evidence from contemporaneous formation of pseudotachylytes and eclogite facies coronas[J] . Tectonophysics . 2003 (1)
[7] Subduction zones: observations and geodynamic models[J] . Scott D. King.Physics of the Earth and Planetary Interiors . 2001 (1)
[8] Experimentally based water budgets for dehydrating slabs and consequences for arc magma generation[J] . Max W. Schmidt,Stefano Poli.Earth and Planetary Science Letters . 1998 (1)
[9] The Mechanics of Deep Earthquakes[J] . H W Green,H Houston.Annual Review of Earth and Planetary Sciences . 1995
[10] The Nature of Deep-Focus Earthquakes[J] . C Frohlich.Annual Review of Earth and Planetary Sciences . 1989

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