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Mineral chemistry of clinopyroxene: guidance on geo-thermobarometry and tectonomagmatic setting of Nabar volcanic rocks, South of Kashan

Authors REZVAN Mehvari, MOUSSA Noghreyan, MORTAZA Sharifi, MA Mackizadeh, H Tabatabaei, Gh Torabi
Journal Journal of Economic Geology Volume 8 Issue 2 Pages 493-506 http://10.22067/econg.v8i2.46817
Description: [en] On the basis of mineral chemistry, pyroxenes are Fe-Mg-Ca type in composition. These clinopyroxenes are augite. Thermometric studies of clinopyroxenes reveal that Nabar rocks are formed at temperatures of 900-1200 d egree C. According to the distribution of aluminum in clinopyroxenes, these minerals were formed at 2-5 k bar pressure and water vapor content of more than 10 percent. Therefore, pyroxenes of the Nabar rocks are in a range of low to mediumb pressure that shows crystallization of clinopyroxenes during ascending of magma in different depths. Moreover, the volcanic rocks in Nabar were formed in high oxygen fugacity. The chemical composition of clinopyroxenes reveals that these rocks are related to calc-alkaline series and orogenic settings.

Journal Papers
Month/Season: 
January
Year: 
2016

تحت نظارت وف ایرانی

Mineral chemistry of clinopyroxene: guidance on geo-thermobarometry and tectonomagmatic setting of Nabar volcanic rocks, South of Kashan | Dr. Seyed Hassan Tabatabaei

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تحت نظارت وف ایرانی