Calculation of Geochemisrical Changes in Skarnic ZonesOf Zand Abad

Abstract:
      The studied area is located in northwest of Ahar (east Azarbaijan) where is in turn located in Alborz ?Azarbaijan metalogenic belt. The intrusion of Oligocene (Sheyvar-Dagh) caused the development of skarn and hornfels aureoles and Cu-Mo mineralization at contact with Cretaceous limestones and shales that this intrusion belongs to met-aluminous and I type.Based upon field works and petrographic studies, two skarn zones were recognized, Endoskarn and Exoskarn.Cu-Mo mineralization was principally developed during Endoskan.For the determine original rock has used two variant diagrams Zand-Abad granite elements versus altered rocks.In this study,three geochemical methods were used. Al2O3 has chosen as immobile element.
   Primary stage of mineralization were developed in Exoskarn(epidote skarn) and Endo skarn.

   General:
     The studied area is located in northwest of Ahar (east Azarbaijan) where is in turn located in Alborz-Azarbaijan metalogenic belt. The intrusion of Oligocene (Sheyvar-Dagh) caused the development of skarn and hornfels aureoles and Cu-Mo mineralization at contact with Cretaceous limestones and shales that this intrusion belongs to met-aluminous and I type. Based upon field works and petrographic studies, two skarn zones were recognized, Endoskarn and Exoskarn. Cu-Mo mineralization was principally developed during Endoskan. For the determine original rock has used two variant diagrams Zand-Abad granite elements versus altered rocks. In this study, three geochemical methods were used. Al2O3 has chosen as immobile element.
   Primary stage of mineralization were developed in Exoskarn (epidote skarn) and Endo skarn