globalchange  > 影响、适应和脆弱性
DOI: 10.1007/s00531-015-1209-8
Scopus记录号: 2-s2.0-84930793886
论文题名:
Kinematics and surface fracture pattern of the Anaran basement fault zone in NW of the Zagros fold–thrust belt
作者: Joudaki M.; Farzipour-Saein A.; Nilfouroushan F.
刊名: International Journal of Earth Sciences
ISSN: 14373254
出版年: 2016
卷: 105, 期:3
起始页码: 869
结束页码: 883
语种: 英语
英文关键词: Anaran Basement Fault ; Crustal deformation ; Fracture analysis ; Remote sensing ; Zagros
Scopus关键词: crustal deformation ; fault zone ; fold and thrust belt ; fracture ; kinematics ; remote sensing ; shear zone ; Iran ; Lorestan ; Zagros
英文摘要: The preexisting north–south trending basement faults and their reactivation played an important role during the evolution of the Zagros fold–thrust belt. The Anaran Basement Fault (ABF) in the Lurestan region, NW of the Zagros, has been considered as a N–S trending basement lineament, although its surface structural expression is still debated. In this study, we use satellite images and field observations to identify and analyze the fractures in the sedimentary cover above the ABF. Fracture analysis demonstrates that approaching the ABF, the fracture pattern changes. The fractures association with reactivation of the deep-seated preexisting ABF can be categorized in four sets based on their directions. The mean direction for maximum compressional stress is different between the fault- and fold-related fractures within and around the ABF shear zone. We estimated an orientation of N30° ± 5° for the fault-related fractures and N45° ± 5° for the fold-related fracture sets outside of the ABF shear zone. This difference suggests that the fold-related and fault-related fracture sets have been formed in different two stages of deformation throughout the area. The axial traces of some folds, especially the Anaran anticline, demonstrate a right-lateral offset along the ABF, such that, in central part of the Anaran anticline, the fold axis of this anticline is changed from its original NW–SE trend to approximately north–south trend of the ABF. © 2015, Springer-Verlag Berlin Heidelberg.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84930793886&doi=10.1007%2fs00531-015-1209-8&partnerID=40&md5=17e4c57db7abb736208f3feadeac4607
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/70175
Appears in Collections:影响、适应和脆弱性
气候减缓与适应

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作者单位: Department of Geology, University of Isfahan, Isfahan, Iran; Department of Earth Sciences, Uppsala University, Villavägen 16, Uppsala, Sweden

Recommended Citation:
Joudaki M.,Farzipour-Saein A.,Nilfouroushan F.. Kinematics and surface fracture pattern of the Anaran basement fault zone in NW of the Zagros fold–thrust belt[J]. International Journal of Earth Sciences,2016-01-01,105(3)
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