Comparison of ASTER and Landsat-8 OLI data for detecting iron occurrences and alteration in Shahrak area, Kurdistan Province

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Bonyadi Zahra; Daryanavard Ehsan

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Journal: ADVANCED APPLIED GEOLOGY Year:2020 | Volume:10 | Issue:2 Page(s): 154-166

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Title

Comparison of ASTER and Landsat-8 OLI data for detecting iron occurrences and alteration in Shahrak area, Kurdistan Province

Author(s)

Bonyadi Zahra | Daryanavard Ehsan | Issue Writer Certificate

Keywords

ASTERQ2

Landsat 8-OLIQ1

Fe mineralizationQ1

AlterationQ2

ShahrakQ2

Abstract

1-Introduction In this study, the performance of different spectral processing techniques on ASTER and Landsat-8 OLI sensors data of the Shahrak mining area are compared. Shahrak is located 60 km north of Bijar city in Kurdistan province. It is located in the coordinates of 47° , 30ˊ , 30˝ to 47° , 40ˊ , 34˝ east longitude and 36° , 20ˊ , 20˝ to 36° , 30ˊ , 25˝ north latitude. It belongs to Takab structural zone. There are ten ore bodies in the Shahrak mining area, mainly composed of magnetite. The host rocks of mineralization are carbonate and volcanic rocks that have undergone argillic, epidote, and chlorite Alteration. The purpose of this study was to compare the efficacy of ASTER and OLI images and PCA, ICA, and MNF processing methods in detecting iron ore mineralization and related Alteration assemblages in the Shahrak mining area. Given the limited references available for remote sensing of skarn ores (Jeong et al., 2016), especially iron skarns, performing and comparing different algorithms in known skarn ores can help study unknown ore deposits. At pre-processing stage, FLAASH atmospheric correction was applied to both images to reduce noise. The processing techniques used in this study are band ratio (BR), band combination, principal component analysis (PCA), independent component analysis (ICA) and minimum noise fraction (MNF). The results validated by field observations and microscopic studies...

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APA: Copy

Bonyadi, Zahra, & Daryanavard, Ehsan. (2020). Comparison of ASTER and Landsat-8 OLI data for detecting iron occurrences and alteration in Shahrak area, Kurdistan Province. ADVANCED APPLIED GEOLOGY, 10(2 ), 154-166. SID. https://sid.ir/paper/365662/en

Vancouver: Copy

Bonyadi Zahra, Daryanavard Ehsan. Comparison of ASTER and Landsat-8 OLI data for detecting iron occurrences and alteration in Shahrak area, Kurdistan Province. ADVANCED APPLIED GEOLOGY[Internet]. 2020;10(2 ):154-166. Available from: https://sid.ir/paper/365662/en

IEEE: Copy

Zahra Bonyadi, and Ehsan Daryanavard, “Comparison of ASTER and Landsat-8 OLI data for detecting iron occurrences and alteration in Shahrak area, Kurdistan Province,” ADVANCED APPLIED GEOLOGY, vol. 10, no. 2 , pp. 154–166, 2020, [Online]. Available: https://sid.ir/paper/365662/en

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