Analysis (Investigating) the role of active structures of tectonic in fractal dimension of fractures and drainages of the Hassanabad fault zone (SW Qazvin)

Document Type : Original Article

Authors

1 Assistant. Professor, Faculty of Science, Bu-Ali Sina University, Hamedan, Iran

2 . Masters of tectonic, Bu-Ali Sina University, Hamedan, Iran

Abstract

The aim of this research is determination of structural fractures density (faults and lineaments) and drainages and their fractal pattern of the Hassanabad fault zone in SW of the Qazvin. Remote sensing analysis and data processing techniques in the ArcGIS software have been used to identify the lineaments and active faults in this zone and analyze of the tectonic activities. Lineaments maps was extracted using the appropriate algorithm of spatial data, Landsat 8 satellite images and shaded relief models. The fractal pattern of structural fractures and drainages networks was calculated by square method and using log-log charts for the 14 zones in the study area. The J zone have the maximum fractal value based on fractal dimension of the lineaments (Dj=1/91) and faults (Dj=1/82). The g and J zones have the maximum and minimum fractal values respectively, based on fractal dimension drainage basin, that less values of the fractal dimension indicate uplift of the region. The dimension fractal obtained and field studies of the Hassanabad fault zone indicate more relative activity of the southern and eastern parts of the study area. The southern part is the boundary between the Hassanabad and Kharrood faults and the eastern part is boundary between the Hassanabad fault and the active Ipak fault zone.
 
 

Keywords

References

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Journal of Tectonics
Volume 2, Issue 5
May 2018
Pages 3-16

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