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An Application of Remote Sensing Imagery for Geological Lineaments Extraction over Kaybarkuh Region in East of Iran

V. Khademi, M. R. Heyhat, A. Forghani, M. M. Khatib, M. H. Zarrinkoub, H. Hadizadeh Khader

World Journal of Geomatics and Geosciences 1(1); 10.31586/wjgg.2021.168 - December 17, 2021

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Abstract

Kaybarkuh (Mount Kaybar) consists of intrusive igneous bodies with two age periods, located in North of Dasht-e-Bayaz left-lateral fault terminal. The spatial and structural analysis of fractures and ... Read more

Figure 1. a. Location of study area on map of Iran. b. Geological setting of the study area (Modified from 1:100,000 Geological map of Zouzan, 2005).

Figure 2. Extraction process of lineaments from drainage network using DEM image. a. Normal elevation map. b. Flow direction. c. Flow accumulation. d. Conditional raster. e. Drainage polylines resulted from raster. f. clipped and segmented polylines.

Figure 3. Automatically extracted lineaments on: a. Gram-Schmidt sharpened true color image, and b. PCI Geomatics processed image.

Figure 4. a. Visually extracted lineaments on Sentinel-2 (12-4-2) image, b. Hill shaded image with 10° azi-muth, c. Hill shaded image with 100° azimuth, d. Hill shaded image with 230° azimuth.

Figure 5. Flowchart of lineament extraction.

Figure 6. Plot of lineaments extracted by three methods on PCI Geomatics processed image.

Figure 7. Statistical information of lineaments based on length and abundance for: a. DEM data, b. Automatic extraction, c. Visual extraction, and d. Fault network of the area.

Figure 8. Comparison of lineaments resulted from: a. DEM data, b. Automatic extraction, c. Visual extraction, and d. Fault network of the area, with related rose diagrams based on lineament trends.

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