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Paper Information

Journal:   GEOSCIENCES   FALL 2011 , Volume 21 , Number 81; Page(s) 121 To 128.
 
Paper: 

INTRODUCING OF COPPER PORPHYRY TYPE AND GOLD MINERALIZATION IN SILICEOUS VEINS AT MIRKUH ALI MIRZA AREA, SARAB, BY GEOCHEMICAL EXPLORATION

 
 
Author(s):  MAGHSOUDI A.*, YAZDI M., MEHR PARTOU M., VOSOGHIABEDINI M.
 
* FACULTY OF EARTH SCIENCE, SHAHID BEHSHTI UNIVERSITY, TEHRAN, IRAN
 
Abstract: 

The Mirkuh Ali Mirza area is situated at north of Sarab, NW of Iran. The study area is located in Meshkin Shahr 1:100000 geological sheets at western Alborz–Azerbaijan structural zone. The major exposed rocks in the area are the Eocene and Neogene volcanic and subvolcanic rocks which include rhyolitic and dacitic tuff with intermediate to basic rocks. Recent geochemical stream sediment (1:25000 scale) and litogeochemical surveys showed base and precious metals in the form of veins at the periphery of a porphyry copper deposit model. Occurrence of this mineralization can be a small part of a big hydrothermal fluids circulation that its effects were developed in large scale up to 10km2 to porphyry copper mineralization. The mineralization model follow as; porphyry copper in center, gold and other base metals in periphery, anomalous concentration of Ag, As, Sb, Pb and Zn in more distal relative to central body and Mn, Ba and Hg can be found at the outer part of the system.

 
Keyword(s): COPPER PORPHYRY AND VEIN GOLD MINERALIZATION, MIRKUH ALI MIRZA, SARAB
 
References: 
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