Economic geology and geochemistry of Aziz Abad copper index (south Azna, lorestan, Iran)
Journal Title: International Research Journal of Applied and Basic Sciences - Year 2014, Vol 8, Issue 5
Abstract
The Aziz abad copper index is located in 5Km of south Azna town and is as a small portion of Sanandaj – Sirjan Zone (SSZ). The studied region is affected by important orogenic phases of Cimmerian and final cretaceous and several intrusive masses like Azna are injected in it. The igneous rocks compositions are mainly from granodiorite to andesite volcanic. The petrology studies show that volcanic rocks of the region are porphiry andesite and traky andesite . In terms of mineralization : chalcopyrite, chalcosite, Burnit, Malachite ,Azurite, Magnetite and Limonite minerals are the most important minerals of the region that are appeared veinly. In terms of alteration, sericitiazation, chloritization, and epidotization are dominated alterations of the region.. According tectonic diagrams all examples are placed in the area related to arcs after collision volcanic. The under studied region’s rocks are normalized based on primitive mantle and ORG values. All cases almost show chemical-charactiritics and similar neicheru mantle metasomatism ore continental crust impregnation.
Authors and Affiliations
Amin Panahi*| Department of Geology, Islamic Azad University of North Tehran, Iran, email: Amin_Panahi@Ymail.com, Shokrolah Tatary| Growth and education office of Darehshahr province, Iran, Shokoh Noormohamadi| Growth and education office of Badreh province, Iran, Ashkan eidi| Faculty of Sciences, Islamic Azad University, Omidieh Branch, Omidieh, Iran
Keywords
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