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Title

Analysis of the relationship between mineralization and alteration zones with tectonic s tructures using remote sensing s tudies in south Ardes tan area (northeas tern Isfahan)

Pages

  29-48

Abstract

 The s tudy area is located in central part of the Urumieh-Dokhtar Magmatic Arc and the southeas t Ardes tan area. Eocene volcanic rocks units with a combination of andesite and basaltic andesite cons titute the mos t extensive rock units in the s tudy area. These units are hos t to Ag-Cu and Au mineralization and Alteration zones. Utilization of Remote Sensing methods especially composite pseudo color and Filters helped us to obtain valuable information on Alteration zones, exis ting Brittle s tructures and the role of Zafarghand fault in controlling Alteration zone. The dis tribution pattern of the faults on processed satellite images, shows three generally orientations, changing in fault orientations, the density of faults in the north of the area and positive flower s tructure. Two different patterns of Alteration zones are observed including propylitic Alteration and zones of secondary iron oxides with large dis tributions around copper veins and argillic-sericitic Alteration zones with limited and linear dis tributions around quartz veins. Comparison of the pattern of faults, mineralization and Alteration zones indicate a decrease in the degree of mineralization and increase the extent of Alterations along with reducing the density of faults from north to south of the region. The Zafarghand fault has an effective role in the creation and development of Alteration in the s tudy area. In this way, Alteration is only seen toward the northern parts of this fault and in the southern part of this fault, no Alteration effects are observed. This fault along with Kachomesqal fault has created a flower s tructurae in the area. This s tructure has created a tens tion and suitable location for mineralization and confluence of Alteration zone in the south of the area.

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    APA: Copy

    MOHAMMADI, SAMIRA, Nadimi, Alireza, & ALAMINIA, ZAHRA. (2018). Analysis of the relationship between mineralization and alteration zones with tectonic s tructures using remote sensing s tudies in south Ardes tan area (northeas tern Isfahan). TECTONICS, 2(7 ), 29-48. SID. https://sid.ir/paper/401790/en

    Vancouver: Copy

    MOHAMMADI SAMIRA, Nadimi Alireza, ALAMINIA ZAHRA. Analysis of the relationship between mineralization and alteration zones with tectonic s tructures using remote sensing s tudies in south Ardes tan area (northeas tern Isfahan). TECTONICS[Internet]. 2018;2(7 ):29-48. Available from: https://sid.ir/paper/401790/en

    IEEE: Copy

    SAMIRA MOHAMMADI, Alireza Nadimi, and ZAHRA ALAMINIA, “Analysis of the relationship between mineralization and alteration zones with tectonic s tructures using remote sensing s tudies in south Ardes tan area (northeas tern Isfahan),” TECTONICS, vol. 2, no. 7 , pp. 29–48, 2018, [Online]. Available: https://sid.ir/paper/401790/en

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