Kinematics of Surgu Fault Zone (Malatya, Turkey): A remote sensing study

Date

2013-04-01

Author

Koc, Ayten
Kaymakcı, Nuretdin

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The Surgu Fault Zone (SFZ) is located in SE Anatolia extending from Goksun in the west to Celikhan in the east, where it bifurcates from the East Anatolian Fault Zone. A detailed analysis along the fault using satellite images, digital elevation models (DEMs) and aerial photographs revealed that the SFZ displays characteristic deformation patterns common to dextral strike-slip faults, including pressure ridges, displaced linear valleys, and deflected stream courses. In addition to this, fault slip data collected from 17 sites indicated that the SFZ is a dextral strike-slip fault zone having reverse and normal components in its western and eastern parts, respectively. The type of dip-slip components, orientation of the palaeostress configurations, and related structures along the fault are compatible with along strike variations of a strike-slip fault system that supports the dextral nature of the fault zone. Observed maximum cumulative stream deflections along the fault zone indicate that the dextral offset of the SFZ has been more than 3 km since the establishment of the stream network in the region. According to the preferred tectonic model suggested in this study, the present dextral motion along the SFZ occurs within a regional sinistral system related to westwards escape of the Maras Block, squeezed between Anatolian Block and Arabian Plate in N-S direction.

Subject Keywords

Strike-slip fault, Remote sensing, Palaeostress analysis, Fault kinematics, SE Anatolia

URI

https://hdl.handle.net/11511/47739

Journal

JOURNAL OF GEODYNAMICS

DOI

https://doi.org/10.1016/j.jog.2012.08.001

Collections

Department of Geological Engineering, Article

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Citation Formats

A. Koc and N. Kaymakcı, “Kinematics of Surgu Fault Zone (Malatya, Turkey): A remote sensing study,” JOURNAL OF GEODYNAMICS, pp. 292–307, 2013, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/47739.