PETROLOGY, GEOCHEMISTRY AND STRATIGRAPHIC SETTING OF DIABASIC DYKE SWARMS CROSSCUTTING THE BAND-E-HEZARCHAH GRANITOID PLUTON (SE SHAHROOD): AN EVIDENCE FOR MIDDLE CIMERIAN MAGMATISM

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HOSSEINI SEYED HOSSEIN; SADEGHIAN MAHMOUD; GHASEMI HABIBOLLAH

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Journal: GEOCHEMISTRY Year:2013 | Volume:1 | Issue:4 Page(s): 309-317

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Title

PETROLOGY, GEOCHEMISTRY AND STRATIGRAPHIC SETTING OF DIABASIC DYKE SWARMS CROSSCUTTING THE BAND-E-HEZARCHAH GRANITOID PLUTON (SE SHAHROOD): AN EVIDENCE FOR MIDDLE CIMERIAN MAGMATISM

Author(s)

HOSSEINI SEYED HOSSEIN | SADEGHIAN MAHMOUD | GHASEMI HABIBOLLAH | Issue Writer Certificate

Keywords

DIABASIC DIKESQ2

BAND-E-HEZARCHAHQ2

MIDDLE CIMERIAN OROGENYQ2

BACK ARC BASINQ2

Abstract

Numerous mafic dike swarms are crosscutting the BAND-E-HEZARCHAH granitoid pluton (SE shahrood) Their host rocks consist of late Neoproterozoic-early Cambrian metaplitic, metapsammitic and gneissic rocks. These dykes crosscut Upper Triassic-Lower Jurassic conglomerates, sandstones and shales (equivalent to the Shemshak formation) and they don’t cut younger rocks such as lower Cretaceous (Neocomian) limestones. Based on geochemical characteristics, these rocks have alkaline to calk alkaline nature and their magma have been formed by 8-20% partial melting of spinel lherzolite sources. Thes rocks have formed in a continental arc setting to BACK ARC BASIN related to Neotethys oceanic lithosphere subduction beneath Central Iran microcontinent. The formation of these rocks is a result of magmatism related to the middle Cimmerian orogeny phase. Pb positive anomaly and Ba, Ce and K high values show crustal contamination of basic magma during rising and emplacement.

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APA: Copy

HOSSEINI, SEYED HOSSEIN, SADEGHIAN, MAHMOUD, & GHASEMI, HABIBOLLAH. (2013). PETROLOGY, GEOCHEMISTRY AND STRATIGRAPHIC SETTING OF DIABASIC DYKE SWARMS CROSSCUTTING THE BAND-E-HEZARCHAH GRANITOID PLUTON (SE SHAHROOD): AN EVIDENCE FOR MIDDLE CIMERIAN MAGMATISM. GEOCHEMISTRY, 1(4), 309-317. SID. https://sid.ir/paper/230921/en

Vancouver: Copy

HOSSEINI SEYED HOSSEIN, SADEGHIAN MAHMOUD, GHASEMI HABIBOLLAH. PETROLOGY, GEOCHEMISTRY AND STRATIGRAPHIC SETTING OF DIABASIC DYKE SWARMS CROSSCUTTING THE BAND-E-HEZARCHAH GRANITOID PLUTON (SE SHAHROOD): AN EVIDENCE FOR MIDDLE CIMERIAN MAGMATISM. GEOCHEMISTRY[Internet]. 2013;1(4):309-317. Available from: https://sid.ir/paper/230921/en

IEEE: Copy

SEYED HOSSEIN HOSSEINI, MAHMOUD SADEGHIAN, and HABIBOLLAH GHASEMI, “PETROLOGY, GEOCHEMISTRY AND STRATIGRAPHIC SETTING OF DIABASIC DYKE SWARMS CROSSCUTTING THE BAND-E-HEZARCHAH GRANITOID PLUTON (SE SHAHROOD): AN EVIDENCE FOR MIDDLE CIMERIAN MAGMATISM,” GEOCHEMISTRY, vol. 1, no. 4, pp. 309–317, 2013, [Online]. Available: https://sid.ir/paper/230921/en

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