نتایج جستجو برای: Razgah
تعداد نتایج: 2 فیلتر نتایج به سال:
Thermal history and apatite fission-track ages were determined for the Kaleybar, Razgah and Bozqush alkaline intrusions which display Eocene-Oligocene stratigraphic age. These subduction-related intrusions are located in the Alborz-Azarbaijan magmatic belt which is characterized by a Paleogene magmatic flare-up associated with extensional/transtensional tectonism. The mean of Uranium content an...
The Bozqush, Kaleybar, and Razgah foid-bearing syenites are located in East Azarbaijan province, NW Iran. Mineral chemistry determined for the amphiboles and clinopyroxenes of intrusions to specify elemental exchange, magmatic affinity, and tectonic setting. Chemical composition of the amphiboles varies from magnasio-hastingsite to ferro-pargasite. This study shows that the Kaleybar amphiboles ...
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