STUDY OF GEOCHEMICAL CHARACTERISTICS OF SARKOOBEH GABBROIC BODIES IN NORTH KHOMEIN, SANANDAJ-SIRJAN ZONE

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SAKHAEI ZEINAB; DAVOUDIAN ALI REZA; SHABANIAN NAHID

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Journal: GEOCHEMISTRY Year:2015 | Volume:3 | Issue:4 Page(s): 351-365

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Title

STUDY OF GEOCHEMICAL CHARACTERISTICS OF SARKOOBEH GABBROIC BODIES IN NORTH KHOMEIN, SANANDAJ-SIRJAN ZONE

Author(s)

SAKHAEI ZEINAB | DAVOUDIAN ALI REZA | SHABANIAN NAHID | Issue Writer Certificate

Keywords

ALKALI-GABBROQ2

WITHIN PLATE MAGMATISMQ2

ASTHENOSPHERIC MANTLEQ2

SARKOOBEHQ2

KHOMEINQ2

SANANDAJ- SIRJANQ2

Abstract

Sarkoobeh Gabbroic bodies are located in 16-18 Km of the North of KHOMEIN city, as a part of Markazi province. The gabbroic rocks have intruded in to Cretaceous limestones and they are attributed to a probably Eocene age. The study area is a part of Sanandaj-Sirjan Zone. Mineralogical and geochemical studies show the main composition of bodies is gabbro. The main minerals are plagioclase, diopside, and opaque. They display ophitic to sub-ophitic textures petrographically. Based on geochemical data classification of major and trace elements, the rocks have SiO2 from 43.89 to 50.91 wt. % and mostly plot in gabbro field with alkali nature and some of the samples show calcite sub alkaline nature, because of assimilation of limestone rocks. The chondrite-normalized pattern from the rocks shows the enrichment of LREE than HREE, also they display small positive anomaly of Eu due to crystallization of plagioclase. The enrichment of Nb and Ti in the MORB and Primitive Mantel normalized patterns clear that original magma of the rocks have the affinity of intra-plate magmatism. Also, the spider diagrams show LILE enrichment and HFSE depletion. Geochemical studies of trace and rare earth elements suggest that magma source of gabbro is garnet-spinel lherzolite from asthenosphric mantle.

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APA: Copy

SAKHAEI, ZEINAB, DAVOUDIAN, ALI REZA, & SHABANIAN, NAHID. (2015). STUDY OF GEOCHEMICAL CHARACTERISTICS OF SARKOOBEH GABBROIC BODIES IN NORTH KHOMEIN, SANANDAJ-SIRJAN ZONE. GEOCHEMISTRY, 3(4), 351-365. SID. https://sid.ir/paper/230888/en

Vancouver: Copy

SAKHAEI ZEINAB, DAVOUDIAN ALI REZA, SHABANIAN NAHID. STUDY OF GEOCHEMICAL CHARACTERISTICS OF SARKOOBEH GABBROIC BODIES IN NORTH KHOMEIN, SANANDAJ-SIRJAN ZONE. GEOCHEMISTRY[Internet]. 2015;3(4):351-365. Available from: https://sid.ir/paper/230888/en

IEEE: Copy

ZEINAB SAKHAEI, ALI REZA DAVOUDIAN, and NAHID SHABANIAN, “STUDY OF GEOCHEMICAL CHARACTERISTICS OF SARKOOBEH GABBROIC BODIES IN NORTH KHOMEIN, SANANDAJ-SIRJAN ZONE,” GEOCHEMISTRY, vol. 3, no. 4, pp. 351–365, 2015, [Online]. Available: https://sid.ir/paper/230888/en

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