GEOCHEMISTRY OF AYRAKAN INTRUSION, APLITIC DIKE AND ENCLAVES (NE OF ISFAHAN PROVINCE)

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BAHARZADEH H.; TORABI GH.; AHMADIAN J.; EBRAHIMIYAN Z.

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Journal: RESEARCH JOURNAL OF UNIVERSITY OF ISFAHAN "SCIENCE" Year:2008 | Volume:32 | Issue:3 (GEOLOGY) Page(s): 13-32

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Title

GEOCHEMISTRY OF AYRAKAN INTRUSION, APLITIC DIKE AND ENCLAVES (NE OF ISFAHAN PROVINCE)

Author(s)

BAHARZADEH H. | TORABI GH. | AHMADIAN J. | EBRAHIMIYAN Z. | Issue Writer Certificate

Keywords

AYRAKAN INTRUSIVEQ3

APLITIC DIKEQ3

ENCLAVEQ3

MIDDLE JURASSICQ3

ARUSAN KUR-E-GAZQ3

Abstract

The area of study is in the North of khur and North-East of Arusan-e-kur-e-Gaz, which in geology divisions is in Central Iran. In petrographic study intrusive body, APLITIC DIKEs and ENCLAVEs are alkali granite. Minerals of alkali granites are K-feldspar (orthoclase and microcline), plagioclase (albite and oligoclase), quartz with undoluse straight extinction, biotite, muscovite, zircon and apatite. Chlorite is created by biotite alteration. Intrusive body has foliation in many parts that look like auegen gneiss in the first view. But investigations show that this intrusive mass is mylonitized.Geochemical investigation shows the nature of calc alkalin, peraluminous and S-type nature of understudy granitoids. Thus samples of studying area located in syncollision region. The temperature given by two feldspars thermometry, that is lower than temperature of igneous environment, present the sub-solidus changes of feldspars composition. Ti in biotite thermometry result 632-661oC for biotites of intrusive body, APLITIC DIKEs and ENCLAVEs. The obtained temperatures reveal the igneous temperatures of biotite crystallization. In addition, chlorites of alkali granites display a temperature around 188oC. This temperature indicates the biotite alteration temperature.

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APA: Copy

BAHARZADEH, H., TORABI, GH., AHMADIAN, J., & EBRAHIMIYAN, Z.. (2008). GEOCHEMISTRY OF AYRAKAN INTRUSION, APLITIC DIKE AND ENCLAVES (NE OF ISFAHAN PROVINCE). RESEARCH JOURNAL OF UNIVERSITY OF ISFAHAN "SCIENCE", 32(3 (GEOLOGY)), 13-32. SID. https://sid.ir/paper/55820/en

Vancouver: Copy

BAHARZADEH H., TORABI GH., AHMADIAN J., EBRAHIMIYAN Z.. GEOCHEMISTRY OF AYRAKAN INTRUSION, APLITIC DIKE AND ENCLAVES (NE OF ISFAHAN PROVINCE). RESEARCH JOURNAL OF UNIVERSITY OF ISFAHAN "SCIENCE"[Internet]. 2008;32(3 (GEOLOGY)):13-32. Available from: https://sid.ir/paper/55820/en

IEEE: Copy

H. BAHARZADEH, GH. TORABI, J. AHMADIAN, and Z. EBRAHIMIYAN, “GEOCHEMISTRY OF AYRAKAN INTRUSION, APLITIC DIKE AND ENCLAVES (NE OF ISFAHAN PROVINCE),” RESEARCH JOURNAL OF UNIVERSITY OF ISFAHAN "SCIENCE", vol. 32, no. 3 (GEOLOGY), pp. 13–32, 2008, [Online]. Available: https://sid.ir/paper/55820/en

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