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  Semi-detailed exploration in the Dom Mountain gold deposit, Ardestan Pichab Kawosh Consulting Enigneers 1999-2000
Dom Mountain gold deposit
Semi-detailed exploration in the Dom Mountain gold deposit, Ardestan
 
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   Abstract:
   In order to perform the contract between the Pichab Kawosh Consulting Engineers and the Industries and Mines Organization of Esfahan (1999), the exploration was done in two steps of field works through topography and geology mapping, trenching, sampling and geophysical studies. These data plus to previously achieved ones were used for reserve estimation. The deposit is located in the flank of Dom Mountain, in the northern border of Daq-e Sorkh desert of northeast Ardestan. The mountain is a granitic intrusion that emplaced in the Eocene igneous and pyroclastic rocks.
   Silicic veins exit in the body that shows Cu, Ag and Au mineralization. In this project, topography and geology mapping was conducted in an area of 25 hectares on the scale 1:1000. Geophysical exploration includes IP method in the area of 15 hectares. Trenching and cleaning of old trenches for sampling from mineralized silicic veins and other rocks were done. Rock samples were studied by preparing thin section, polished section, and geochemical analysis (XRD). Geophysical studies show that mineralized veins exist at least down to depth 80 m. 280m trench was excavated in which there is abundant evidence of slicic-hematitic veins and oligist veinlets with Au content. 80 samples were analyzed showing anomalous content of Mo, Cu, Au, Ag and Pb. The estimated volume of silica veins down to depth 80m is 350000 cubic meters. Mineralization in this deposit is under the influence of fault zones. It is a low P-T-hydrothermal type mineralization of Au and sulfide minerals. Main ores include chalcopyrite, pyrite, bornite, covelite, Au and iron oxides. It is estimated that the deposit contains 1 ton Au and 4.3 tons Ag.
  
 
 
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