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  Reassessment of abandoned mines and mineral indications in the Anarak area, volume 5: Talhe mine
Reassessment of Talhe Mine
Reassessment of abandoned mines and mineral indications in the Anarak area, volume 6: Talhe mine
 
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   Reassessment of abandoned mines and mineral indications in the Anarak area, volume 5: Talhe mine
  
   Abstract:
   Reassessment of abandoned mines and mineral indications in the Anarak area, volume 5: Talhe mine
  
   Cu and polymetal Anarak deposits are located at the northern side of the Esfahan Province. These deposits have a long history of exploitation. Old workings and smelting slag are distributed across Central Iran Great Desert from Dom Mountain (Qermez Cu-Au mine) to Doshakh Mountain (Chahpalang Au-W-Cu mine). Also there are remnants of traditional furnaces in the abandoned mines of the area showing the age of mines. What preserved so far, going back to the last period of exploitation by German experts at 1945, end of Second World War.
   Talhe deposit is located 21 km away from the west of Anarak County, at 32 02 08 N and 53 35 00 E. the deposit has occurred in the Dareh-Anjir mountains. The deposit is 1645 m above sea level. It is a vein deposit in the crystalline limestone of lower Paleozoic, Lakh marble. The host rock is a thrust slice within Anarak metamorphic complex. The deposit has a hydrothermal-telethermal genesis with Cu-Mo mineralization related to the Oligocene magmatism.
   In this project, rock samples were taken from tunnels and trenches of the mine. Malachite, chalcocite, and covellite are the main ore minerals of the mine. All fractured zones have favorable mineralization. Highest grade of mineralization was measured at trench number 8 of open-pit mine and around tunnel number 4 that has a vein and stockwork structures. The veins dip 45-88 degrees toward west. In a fault system striking N060 that cut the limestone and marble, the mineralized zone is up to 13 m thick.
   A major part of deposit has extracted by open-pit and underground methods, but a considerable portion of deposit still exists. It is estimated that the deposit is up to 100m deep and 1000 square meters wide. The Cu, Ag and Mo grades range between 0.7 and 8.46%, 5 and 45 ppm and 2 and 900 ppm, respectively. Lower levels of deposit have not been extracted so far. But the ore volume in the upper levels of the open-pit is negligible. The deposit may have considerable Ni and Co mineralization that shows the link between fluids and ophiolitic rocks. It seems that from the trench number 6 to upper levels, the zone is sufficiently rich with 1% Cu ore. The ore richness decrease downward. More exploration in the area is suggested.
  
 
 
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