PETROLOGY AND GEOCHEMISTRY OF MISHO MAFIC AND A2 GRANITE ROCKS IN SOUTHEAST MARAND, NW IRAN

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AHANKOUB MARYAM; JAHANGIRI AHMAD; MOAYYED MOHSEN

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Journal: JOURNAL OF ECONOMIC GEOLOGY Year:2014 | Volume:5 | Issue:2 Page(s): 215-233

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Information Journal Paper

Title

PETROLOGY AND GEOCHEMISTRY OF MISHO MAFIC AND A2 GRANITE ROCKS IN SOUTHEAST MARAND, NW IRAN

Author(s)

AHANKOUB MARYAM | JAHANGIRI AHMAD | MOAYYED MOHSEN | Issue Writer Certificate

Keywords

PETROLOGYQ2

GEOCHEMISTRYQ2

NW IRANQ2

A2 GRANITEQ2

THOLEIITIC GABBROQ2

EAST MISHOQ2

Abstract

Misho intrusions outcrop in the southern part of North Tabriz fault, EAST MISHO Mountains, NW Tabriz. Filed studies, petrological and geochemical data show that both mafic and felsic rock types occur in the area.Mafic rocks include gabbro consisting of plagioclase, clinopyroxene, olivine and opaque minerals and felsic bodies consist of alkali granite with K-feldspar, quartz, plagioclase and a few grains of biotite and amphibole. Mafic rocks have higher enrichment in LREEs than in HREEs. Also, the mafic rocks are rich in LILEs and poor in HFSEs.Geochemical characteristics of the gabbros show that they formed as a result of interplay between a depleted asthenospheric mantle and an upwelling mantle plume, while granitic rocks are alkaline and metaluminous to peraluminous rich in LILEs especially Rb and Th and poor in Nb, Sr, Eu, Ba, Ti. Geochemical characteristics of the granites belong to A-type granites and A2 subgroup that formed in an extensional tectonic setting of the post collision in active continental margin by lower crustal melts.

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APA: Copy

AHANKOUB, MARYAM, JAHANGIRI, AHMAD, & MOAYYED, MOHSEN. (2014). PETROLOGY AND GEOCHEMISTRY OF MISHO MAFIC AND A₂ GRANITE ROCKS IN SOUTHEAST MARAND, NW IRAN. JOURNAL OF ECONOMIC GEOLOGY, 5(2), 215-233. SID. https://sid.ir/paper/180438/en

Vancouver: Copy

AHANKOUB MARYAM, JAHANGIRI AHMAD, MOAYYED MOHSEN. PETROLOGY AND GEOCHEMISTRY OF MISHO MAFIC AND A₂ GRANITE ROCKS IN SOUTHEAST MARAND, NW IRAN. JOURNAL OF ECONOMIC GEOLOGY[Internet]. 2014;5(2):215-233. Available from: https://sid.ir/paper/180438/en

IEEE: Copy

MARYAM AHANKOUB, AHMAD JAHANGIRI, and MOHSEN MOAYYED, “PETROLOGY AND GEOCHEMISTRY OF MISHO MAFIC AND A₂ GRANITE ROCKS IN SOUTHEAST MARAND, NW IRAN,” JOURNAL OF ECONOMIC GEOLOGY, vol. 5, no. 2, pp. 215–233, 2014, [Online]. Available: https://sid.ir/paper/180438/en

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