Geology,Mineralogy,Geochemistry and Genesis of Qale – Zari (Cu-Fe- Zn- pb- Au- Ag) Mine
Qaleh – zari is one of the greatest copper mine which is located in 180 Km southwest of Birjand and limited by altitude 31°- 48? and longitude 58°-57?. The mineralization in this mine is hydrothermal vein type which has been occurred alongside the NW-SE minor and major fissure and lies in the paleogen volcanic rocks and mostly cnsisted of calc-Alkaline –Shosho-nitie andesite and pyroclastic rocks, belong to continental arcs (Ande type). The fissure system is considered a suitable passage for the passing the hydrothermal fluids. The alteration was complex in detail and characterized by multiple hydrothermal events and space / or time variation of physico – chemi- cal conditions.
Geochemical analysis results of the samples shows that there is a considerable amount of Au and Ag in this deposit. These data also indicate close correlation among copper, iron and zinc on one hand and the Bi and Ag on the other hand. Au shows a different distribution pattern and this is the result of difference in the fluids origin.
A Thesis Presented for the Master of science degree in Economic Geology, School of Sciences
Tarbiat Modarres University, Mohammad Dimevar