globalchange  > 影响、适应和脆弱性
DOI: 10.1007/s00531-013-0873-9
Scopus记录号: 2-s2.0-84878916486
论文题名:
The geometry of the active strike-slip El Tigre Fault, Precordillera of San Juan, Central-Western Argentina: Integrating resistivity surveys with structural and geomorphological data
作者: Fazzito S.Y.; Cortés J.M.; Rapalini A.E.; Terrizzano C.M.
刊名: International Journal of Earth Sciences
ISSN: 14373254
出版年: 2013
卷: 102, 期:5
起始页码: 1447
结束页码: 1466
语种: 英语
英文关键词: 2D electrical resistivity tomography ; Argentine Precordillera ; El Tigre Fault ; Fault structure ; Geomorphology ; Neotectonics
Scopus关键词: active fault ; electrical resistivity ; fault zone ; geometry ; geomorphology ; neotectonics ; strike-slip fault ; tomography ; transpression ; transtension ; Argentina ; Precordillera ; San Juan [Argentina]
英文摘要: The geometry and related geomorphological features of the right-lateral strike-slip El Tigre Fault, one of the main morphostructural discontinuities in the Central-Western Precordillera of Argentina, were investigated. Achievements of this survey include: recognition of structural and geometrical discontinuities along the fault trace, identification and classification of landforms associated with local transpressional and transtensional sectors, observation of significant changes in the fault strike and detection of right and left bends of different wavelength. In the Central Segment of the El Tigre Fault, 2D electrical resistivity tomography surveys were carried out across the fault zone. The resistivity imaging permitted to infer the orientation of the main fault surface, the presence of blind fault branches along the fault zone, tectonic tilting of the Quaternary sedimentary cover, subsurface structure of pressure ridges and depth to the water table. Based on this information, it is possible to characterize the El Tigre Fault also as an important hydro-geological barrier. Our survey shows that the main fault surface changes along different segments from a high-angle to a subvertical setting whilst the vertical-slip component is either reverse or normal, depending on the local transpressive or transtensive regime induced by major bends along the trace. These local variations are expressed as sections of a few kilometres in length with relatively homogeneous behaviour and frequently separated by oblique or transversal structures. © 2013 Springer-Verlag Berlin Heidelberg.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84878916486&doi=10.1007%2fs00531-013-0873-9&partnerID=40&md5=c5aeb2144968029c871c29d885246304
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/70535
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: Departamento de Ciencias Geológicas, Facultad de Ciencias Exactas Y Naturales, Instituto de Geociencias Básicas, Aplicadas y Ambientales de Buenos Aires (IGEBA), Universidad de Buenos Aires, Intendente Güiraldes 2160, Pabellon II, Ciudad Univ., C1428EGA Buenos Aires, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina

Recommended Citation:
Fazzito S.Y.,Cortés J.M.,Rapalini A.E.,et al. The geometry of the active strike-slip El Tigre Fault, Precordillera of San Juan, Central-Western Argentina: Integrating resistivity surveys with structural and geomorphological data[J]. International Journal of Earth Sciences,2013-01-01,102(5)
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