کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
8913588 | 1640169 | 2018 | 13 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Geochemistry and tectonic setting of the Golabad granitoid complex (SW Nain, Iran)
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
علوم زمین و سیارات
زمین شناسی
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
Plotting, the chemical composition of plagioclase on the An-Ab-Or ternary diagram, the temperature of crystallization is estimated to range from 700 to 900â¯Â°C at a pressure of 4.5â¯Kbar. High TiO2 values of biotites from the Golabad granitoid complex suggest magmatic origin and the crystallization temperature is estimated to range from 700 to 750â¯Â°C. The amphiboles according to their chemical analysis, are classified as igneous amphiboles generated in high oxygen fugacity conditions. The chemical data of the amphiboles and biotites pointed out to the I- type nature of the Golabad granitoid complex emplaced in an active continental margin subduction setting. The amphibole crystallization pressure was estimated by Al in amphibole varies from 1.09 to 2.28â¯Kbar. Using the calculated pressure the depth of the formation of the Golabad granitoid complex estimated from 4 to 9â¯Km.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of African Earth Sciences - Volume 139, March 2018, Pages 120-132
Journal: Journal of African Earth Sciences - Volume 139, March 2018, Pages 120-132
نویسندگان
Mahin Mansouri Esfahani, Mahmoud Khalili, Zahra Alaminia,