Inception of activity and slip rate on the Main Recent Fault of Zagros Mountains, Iran

被引：20

作者：

Alipoor, Reza ^{[2
]}

Zare, Mehdi ^{[1
]}

Ghassemi, Mohammad R. ^{[3
]}

机构：

[1] IIEES, Dept Engn Seismol, Tehran 193953913, Iran

[2] Shahid Beheshti Univ Med Sci, Fac Earth Sci, Tehran, Iran

[3] Geol Survey Iran, Tehran, Iran

来源：

GEOMORPHOLOGY | 2012年 / 175卷

关键词：

Main Recent Fault; Zagros; Strike-slip; Slab break-off; Offset; SAN-ANDREAS FAULT; EASTERN ANATOLIA; MIDDLE-EAST; NW IRAN; BENEATH; DEFORMATION; KINEMATICS; SEISMICITY; TECTONICS; VOLCANISM;

D O I：

10.1016/j.geomorph.2012.06.025

中图分类号：

P9 [自然地理学];

学科分类号：

0705 ; 070501 ;

摘要：

We used geological, geomorphological markers, pull-apart basins, and drainage patterns to explore totally a new more accurate strike-slip offset on the Main Recent Fault (MRF) of the Zagros Mountains in SW Iran. The MRF has a NW-SE strike that is among the most important structural features within the Arabian-Iranian continental collision zone. Inception of the MRF has been suggested to be related to the slab break-off underneath the Zagros during the last 10-5 Ma. We conclude that the maximum total right-lateral offset on the MRF is about 16 km, leading to a slip rate of about 1.6-3.2 mm y(-1). These figures for the fault inception time and slip rate are consistent according to geodetic estimates and three-dimensional mechanical modeling. (C) 2012 Elsevier By. All rights reserved.

引用

页码：86 / 97

页数：12

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