PETROLOGY OF INTRUSIVE BODIES IN JEBALE-BAREZ GRANITOID COMPLEX (SOUTH EAST JIROFT)

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RASOULI J.; GHORBANI M.; AHADNEJAD V.

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Journal: GEOSCIENCES Year:2015 | Volume:24 | Issue:96 Page(s): 3-16

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Information Journal Paper

Title

PETROLOGY OF INTRUSIVE BODIES IN JEBALE-BAREZ GRANITOID COMPLEX (SOUTH EAST JIROFT)

Author(s)

RASOULI J. | GHORBANI M. | AHADNEJAD V. | Issue Writer Certificate

Keywords

JEBAL-E BAREZQ2

SUBDUCTIONQ2

URMIA-DOKHTAR ZONEQ2

ACTIVE CONTINENTAL MARGINQ2

I TYPE GRANITOIDESQ2

Abstract

Jebale-Barez granitoid complex is composed of intrusive bodyes included Mijan, Dareh hamzeh, Kerver and Hishin and is located In the The petrologic.׳ to 29o 00׳ and Northern latitudes 28° 30׳ east to 58o 00׳ southeastern province of Kerman on the lengths of the 57o 45 composition in intrusive bodyes composed of granodiorite, quartzdiorite, granite and alkali-granite. The geochemical variation diagrams of major oxides, the continuous spectrum of rock compositions has been carried out which indicates the crystallization of magmatic differentiation and extensive appendices. The magma nature of these rocks is sub-alkaline-calc-alkaline, which in SiO2-K2O plot they fall into calc-alkaline series with high potassium. Field observations, petrographic and geochemical studies suggest that the rocks in this area have granitoides I type. Studying the geochemical diagrams of the rocks in the studied area indicates that these rocks have been formed in ACTIVE CONTINENTAL MARGIN tectononic setting. Most of the volcanic arc granites (VAG) are of “pre-collision” and “syn- collision” types. Three magmatic phases occurred in oligomiocene in this area. The first phase of magmatism in this area composed of the quartzdiorite and diorite that makes the main body of Jebale-Barez granitoid complex. Porphyry bodies will penetrate into the main body, after a short period of magmatic fractionation inside the nest of magma. Petrographic composition of the second phase is mainly diorite to tonalite. Oligo-Miocene magmatic final phase (Phase III) occurs in the region after a short time that the lithological composition of the granite to alkali granite. The third group of rocks in the study area from the main body mother came from magma fractionation. based on the location of Urmia-Dokhtar magmatic belt seems the rocks of this region there came to subducted oceanic crust Neotethyan beneath continental crust of central Iran.

Cites

GEO-THERMO-BAROMETRY IN JEBALE BAREZ PLUTONIC COMPLEX BY USING AMPHIBOLE AND FELDSPARS CHEMISTRY

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APA: Copy

RASOULI, J., GHORBANI, M., & AHADNEJAD, V.. (2015). PETROLOGY OF INTRUSIVE BODIES IN JEBALE-BAREZ GRANITOID COMPLEX (SOUTH EAST JIROFT). GEOSCIENCES, 24(96), 3-16. SID. https://sid.ir/paper/32481/en

Vancouver: Copy

RASOULI J., GHORBANI M., AHADNEJAD V.. PETROLOGY OF INTRUSIVE BODIES IN JEBALE-BAREZ GRANITOID COMPLEX (SOUTH EAST JIROFT). GEOSCIENCES[Internet]. 2015;24(96):3-16. Available from: https://sid.ir/paper/32481/en

IEEE: Copy

J. RASOULI, M. GHORBANI, and V. AHADNEJAD, “PETROLOGY OF INTRUSIVE BODIES IN JEBALE-BAREZ GRANITOID COMPLEX (SOUTH EAST JIROFT),” GEOSCIENCES, vol. 24, no. 96, pp. 3–16, 2015, [Online]. Available: https://sid.ir/paper/32481/en

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