Cosmogenic Nuclide Dating of Earthquakes, Faults, and Toppled Blocks

被引：20

作者：

Benedetti, Lucilla C. ^{[1
]}

van der Woerd, Jerome ^{[2
]}

机构：

[1] Aix Marseille Univ, CEREGE, CNRS, IRD UMR 34, Aix En Provence, France

[2] Univ Strasbourg, CNRS, Inst Phys Globe Strasbourg, UMR7516, Strasbourg, France

来源：

ELEMENTS | 2014年 / 10卷 / 05期

关键词：

earthquakes; slip rate; geomorphology; cumulative fault scarp; Cl-36 and Be-10 cosmogenic nuclides; ROCK AVALANCHE; BE-10; SUPERCYCLES; VALLEY; RATES;

D O I：

10.2113/gselements.10.5.357

中图分类号：

P3 [地球物理学]; P59 [地球化学];

学科分类号：

0708 ; 070902 ;

摘要：

When the recurrence intervals of Barge earthquakes span several thousands of years, the dating of fault movements over long time intervals is essential for estimating the next event. Constraining the age of faulting, earthquake recurrence, or toppled rocks is especially important for determining if a fault is likely to break again soon. In recent years, cosmogenic nuclides have provided new insights into the dating of these ground movements. Approaches to gathering this information can be direct, such as dating fault surfaces with Cl-36, or indirect, such as dating fault-offset alluvial fans with Be-10 or Al-26. New results from these methods are certain to better define the tectonic and seismic hazards in areas with increasing population density.

引用

页码：357 / 361

页数：5

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