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  Exploration of gold and associated elements in the Galujeh area, north Zanjan By: Moslem Qavamabadi TOSCO 2008
Gold Exploration in Galujeh
Exploration of gold and associated elements in the Galujeh area, north Zanjan
 
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   Exploration of gold and associated elements in the Galujeh area, north Zanjan
  
   By: Moslem Qavamabadi
   TOSCO
   2008
  
   Abstract
   The gold-bearing zone of Galujeh that is 0.8 square kilometer, located 45 Km away from north of City Zanjan and 1.5 Km far from west of the old Rasht-abad mine. The area was explored as a gold bearing zone on the scale 1:1000. the exploration project includes mining geological mapping, sampling from mineralized rocks, trenching and sampling in the area. The area has intensive topography with slopes up to 50 degrees.
   The exploration was led to identification of two major veins trending E-W with a distance of 40 m, and two minor and several small veins. Mineralized zones are vertical to high dip toward north. Au grade range between 1 to 19 ppm.
   At least there are two mineralization phases; a reductive phase that followed with oxidative phases. In the reductive phase sulfide minerals such as galena, chalcopyrite, oxide pyrite, sphalerite and covellite were formed. In the oxide phase that caused the breciation of veins, main element oxides and iron hydroxides were formed. Both phases transported and deposited gold in the area.
   The mineralization is hydrothermal vein type with stockwork, fissure filling, replacement, colloform and layered textures. The mineralization has occurred in the Eocene and Oligocene volcanics such as rhyolite, latite-andesite and tuff.
  
 
 
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