Volume 20, Issue 3 (10-2012)                   www.ijcm.ir 2012, 20(3): 533-546 | Back to browse issues page

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Study of Broujerd granitic complex replacement mechanism with use of, the anisotropy of magnetic susceptibility method. www.ijcm.ir. 2012; 20 (3) :533-546
URL: http://ijcm.ir/article-1-367-en.html
Abstract:   (549 Views)

Broujerd granitoid complex is one of the large intrusive complexes in structural zone of Sanandaj-Sirjan and petrologicaly they are composed of granodiorite and quartzdiorite and which are accompanied by monzogranite stocks. Study of Broujerd granitoid complex replacement mechanism (west of Iran) has been done with the use of anisotropic magnetic susceptibility technique (AMS) on the basis of results obtained from analysis of 290 samples collected from 96 stations from the main petrologic units. The results show that this complex is part of paramagnetic granitoids and rate of magnetic susceptibility anisotropy is reduced from quartz diorite to monzogranite unit. Elliptical magnetic form is in half of the linear stations and in rest of plane stations. Magnetic fabrics show that replacement of Broujerd granitic complex has been done as sill and structural setting of granitic complex in Broujerd is extensional-shear fractures which are product of transpression tectonic regime.  

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Type of Study: Research | Subject: Special
Received: 2017/05/7 | Accepted: 2017/05/7 | Published: 2017/05/7

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