PETROLOGY OF GOSHEH-NELKHAST INTRUSIONS IN THE REGION NE OF BORUJERD, IRAN

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RAZAVI SEYED MOHAMMAD HOSSEIN; MASOUDI F.; SARIKHANI H.

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Journal: JOURNAL OF SCIENCES (ISLAMIC AZAD UNIVERSITY) Year:2008 | Volume:18 | Issue:69 (GEOLOGY ISSUE) Page(s): 172-182

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Title

PETROLOGY OF GOSHEH-NELKHAST INTRUSIONS IN THE REGION NE OF BORUJERD, IRAN

Author(s)

RAZAVI SEYED MOHAMMAD HOSSEIN | MASOUDI F. | SARIKHANI H. | Issue Writer Certificate

Keywords

GRANITOIDEQ3

CALC-ALKALINEQ3

COLLISIONALQ3

BORUJERDQ3

IRANQ2

Abstract

Different outcrops of granitic rocks in the Gosheh- Nelkhast area, NE of BORUJERD, have been studied in order to investigate the magmatic evolution and related events. Three granitoid bodies were intruded into sedimentary and metamorphic rocks of Precamberian, Triassic and Jurassic ages in Senandaj-Sirjan metamorphic belt of IRAN. Optical observations and XRF analyses show that the majority of the plutonic rocks are granites and granodiorites. Considering the geochemical diagrams and textural evidences such as micro perthite, granophyre and micrographic textures, maximum temperature at which granitoids were formed is estimated in the range of 700 to 850oC and maximum H2O pressure is estimated about 5 Kbar. The GRANITOIDEs are CALC-ALKALINE and metaluminous types. All plutons have both I-type and S-type characteristics, although some evidences, such as low normative corundum, indicate an I-type characteristic for the Gosheh granites. From the tectonic setting point of view, the granitoid bodies are of the COLLISIONAL type and they formed as syn-tectonic to post-tectonic intrusions.

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APA: Copy

RAZAVI, SEYED MOHAMMAD HOSSEIN, MASOUDI, F., & SARIKHANI, H.. (2008). PETROLOGY OF GOSHEH-NELKHAST INTRUSIONS IN THE REGION NE OF BORUJERD, IRAN. JOURNAL OF SCIENCES (ISLAMIC AZAD UNIVERSITY), 18(69 (GEOLOGY ISSUE)), 172-182. SID. https://sid.ir/paper/70359/en

Vancouver: Copy

RAZAVI SEYED MOHAMMAD HOSSEIN, MASOUDI F., SARIKHANI H.. PETROLOGY OF GOSHEH-NELKHAST INTRUSIONS IN THE REGION NE OF BORUJERD, IRAN. JOURNAL OF SCIENCES (ISLAMIC AZAD UNIVERSITY)[Internet]. 2008;18(69 (GEOLOGY ISSUE)):172-182. Available from: https://sid.ir/paper/70359/en

IEEE: Copy

SEYED MOHAMMAD HOSSEIN RAZAVI, F. MASOUDI, and H. SARIKHANI, “PETROLOGY OF GOSHEH-NELKHAST INTRUSIONS IN THE REGION NE OF BORUJERD, IRAN,” JOURNAL OF SCIENCES (ISLAMIC AZAD UNIVERSITY), vol. 18, no. 69 (GEOLOGY ISSUE), pp. 172–182, 2008, [Online]. Available: https://sid.ir/paper/70359/en

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