نوع مقاله : مقاله پژوهشی
نویسندگان
چکیده
کلیدواژهها
عنوان مقاله [English]
نویسندگان [English]
The studied area is located in Yazd province and Mehriz city. This area in context of the structural subdivision geological zone of Iran, in assigned to Urmia-Dokhtar Magmatic Zone. The units forming the study area include Eocene volcanic rocks that are cut by semi-intrusive masses with a composition of quartz diorite porphyry to granodiorite porphyry. Plagioclase, quartz and ferromagnesian minerals (amphibole and biotite) are the main minerals forming these rocks, and the dominant texture forming the rocks is porphyry. The magmatic series of these masses is high-potassium calc-alkaline and shoshonitic. In terms of alumina saturation index, they mostly show a metaluminous to peraluminous nature and belong to I type. The porphyry masses of the area have formed in the volcanic arc and post collisional environment.
کلیدواژهها [English]
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