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Information Journal Paper

Title

PETROGRAPHY, GEOCHEMISTRY AND TECTONOMAGMATIC ENVIROMENT OF HAJI ABAD GRANITOIDIC PLUTON

Pages

  131-146

Abstract

 Introduction: Haji Abad granitoidic body with an area of 90 km2 is located in 135 Km southwest of Tehran, 7 Km south of Boin Zahra city. This batholith with approximate age 39.2( ±3.2) Ma (2) was emplaced in central of Uromieh – Dokhtar.Aim: In this article we studied petrology, genes and tectenomagmatic aspect of this intrusive body base on the new investigations that were accomplished on these types of rocks.Materials and methods: In beginning of this investigation we did field study and took samples. We used XRF method to analyze major and minor elements and XRD method to mineralogical analyze.Results: Haji Abad pluton consists of Syenogranyte, Monzogranite, Granodiorite and Granophyr (SiO2=63-72wt %). Under study pluton in view of magmatic series is calk-alkaline, medium to high K and in view of alumina saturation index is meta-alumina nature. This granitoids are I-TYPE GRANITE and equivalent with magnetite series. Based on tectonic place these granitoidic rocks are granitoids of continental arc, CAG, and different discrimination tectonic setting diagrams represent that these rocks are volcanic-arc granitoides of continental margins (VAG).Conclusion: this intrusive body was formed in subduction and syntectonic orogenic environment (subduction of oceanic edge of Neotethis to north in early Mesozoic –Cenozoic). Field, petrography and geochemically studies indicate that fractional magmatisim has important role in formation of this pluton.

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    APA: Copy

    SAFARZADEH, E., VOSOGHIABEDINI, M., & GHORBANI, M.. (2009). PETROGRAPHY, GEOCHEMISTRY AND TECTONOMAGMATIC ENVIROMENT OF HAJI ABAD GRANITOIDIC PLUTON. JOURNAL OF SCIENCES (ISLAMIC AZAD UNIVERSITY), 19(73 (GEOLOGY ISSUE)), 131-146. SID. https://sid.ir/paper/70300/en

    Vancouver: Copy

    SAFARZADEH E., VOSOGHIABEDINI M., GHORBANI M.. PETROGRAPHY, GEOCHEMISTRY AND TECTONOMAGMATIC ENVIROMENT OF HAJI ABAD GRANITOIDIC PLUTON. JOURNAL OF SCIENCES (ISLAMIC AZAD UNIVERSITY)[Internet]. 2009;19(73 (GEOLOGY ISSUE)):131-146. Available from: https://sid.ir/paper/70300/en

    IEEE: Copy

    E. SAFARZADEH, M. VOSOGHIABEDINI, and M. GHORBANI, “PETROGRAPHY, GEOCHEMISTRY AND TECTONOMAGMATIC ENVIROMENT OF HAJI ABAD GRANITOIDIC PLUTON,” JOURNAL OF SCIENCES (ISLAMIC AZAD UNIVERSITY), vol. 19, no. 73 (GEOLOGY ISSUE), pp. 131–146, 2009, [Online]. Available: https://sid.ir/paper/70300/en

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