Mineralogy, geochemistry and tectonic setting of volcanic rocks in volcano-sedimentary sequence of south Zanjan

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Hashemi Mahin; haji abolfath ali

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Journal Paper

Paper Information

Journal: Iranian Journal of Crystallography and Mineralogy Year:2018 | Volume:26 | Issue:1 Page(s): 93-102

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Information Journal Paper

Title

Mineralogy, geochemistry and tectonic setting of volcanic rocks in volcano-sedimentary sequence of south Zanjan

Author(s)

Hashemi Mahin | haji abolfath ali | Issue Writer Certificate

Keywords

GeochemistryQ2

volcanic-sedimentary sequenceQ1

SubductionQ2

Karaj FormationQ2

southern ZanjanQ1

Abstract

The study area is part of Karaj Formation in the southern city of Zanjan and is located in the central Iran zone. Rocks of the study area consists of pyroclastic, igneous and sedimentary rocks. Igneous rocks in this aria consist of two categories: acidic (rhyiolite and rhyiodasite) and basic (basaltic andesite). Sahle section in terms of lithology can be equal of the lower shale and middle tuff of the Karaj Formation in type section, but compared with Kord Kand in terms of lithology is different. The type of sedimentary units, pyroclastic units and volume of basaltic andesite and andesitic lavas are different. Low Mg# and low MgO, Cr and Ni indicate that magma-generation rocks of the study area is evolution magma. The tectonic environment of the igneous rocks associated with Subduction and is continental arc. Probably Magma-generation rocks of the region is evolution magma that is made from a mantle wedge metasomatism a watery fluid caused by the Subduction of the lithosphere.

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APA: Copy

Hashemi, Mahin, & haji abolfath, ali. (2018). Mineralogy, geochemistry and tectonic setting of volcanic rocks in volcano-sedimentary sequence of south Zanjan. IRANIAN JOURNAL OF CRYSTALLOGRAPHY AND MINERALOGY, 26(1 ), 93-102. SID. https://sid.ir/paper/405224/en

Vancouver: Copy

Hashemi Mahin, haji abolfath ali. Mineralogy, geochemistry and tectonic setting of volcanic rocks in volcano-sedimentary sequence of south Zanjan. IRANIAN JOURNAL OF CRYSTALLOGRAPHY AND MINERALOGY[Internet]. 2018;26(1 ):93-102. Available from: https://sid.ir/paper/405224/en

IEEE: Copy

Mahin Hashemi, and ali haji abolfath, “Mineralogy, geochemistry and tectonic setting of volcanic rocks in volcano-sedimentary sequence of south Zanjan,” IRANIAN JOURNAL OF CRYSTALLOGRAPHY AND MINERALOGY, vol. 26, no. 1 , pp. 93–102, 2018, [Online]. Available: https://sid.ir/paper/405224/en

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