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Information Journal Paper

Title

GEOCHEMISTRY, TECTONIC SETTING AND PETROGENESIS OF VOLCANIC ROCKS OF JIRANDEH, NORTHWEST OF QAZVIN

Pages

  17-33

Abstract

 Jirandeh area, in northwest of QAZVIN, is a part of western Alborz structural zone that includes extensive outcrops of Middle-Upper Eocene volcanic and pyroclastic rocks (composed of olivine basalt, trachyandesite, andesite and trachyte) and post Eocene intrusions. Field relations in addition to petrographic features and geochemical trends of VOLCANIC ROCKS on major, minor and trace elements variation diagrams indicate that this rock suite had formed by fractional crystallization of a basic magma. This magma has high-K calcalkaline nature and characteristics of subduction related continental arc magmatism. The mentioned magma has been formed from 12-15% partial melting of an enriched garnetlherzolitic mantle source at 90-110 km depths and was erupted via deep fractures and faults, during Middle-Upper Eocene from the intra-arc extensional basin of western Alborz.

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    APA: Copy

    GHASEMI, H., TEYMOORI, S.S., & ASIABANHA, A.. (2012). GEOCHEMISTRY, TECTONIC SETTING AND PETROGENESIS OF VOLCANIC ROCKS OF JIRANDEH, NORTHWEST OF QAZVIN. IRANIAN JOURNAL OF GEOLOGY, 6(22), 17-33. SID. https://sid.ir/paper/129264/en

    Vancouver: Copy

    GHASEMI H., TEYMOORI S.S., ASIABANHA A.. GEOCHEMISTRY, TECTONIC SETTING AND PETROGENESIS OF VOLCANIC ROCKS OF JIRANDEH, NORTHWEST OF QAZVIN. IRANIAN JOURNAL OF GEOLOGY[Internet]. 2012;6(22):17-33. Available from: https://sid.ir/paper/129264/en

    IEEE: Copy

    H. GHASEMI, S.S. TEYMOORI, and A. ASIABANHA, “GEOCHEMISTRY, TECTONIC SETTING AND PETROGENESIS OF VOLCANIC ROCKS OF JIRANDEH, NORTHWEST OF QAZVIN,” IRANIAN JOURNAL OF GEOLOGY, vol. 6, no. 22, pp. 17–33, 2012, [Online]. Available: https://sid.ir/paper/129264/en

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