Exploitation of mines can lead to the entrance of heavy metals into the environment. There is a possibility of water, soil, and plant pollution in Darreh Zereshk area in the near future. To assess the soil contamination and determine the origin of selected heavy metals, enrichment factor (EF) and geoaccumulation index (I_geo) accompanied with principle factor analysis (PCA) and map of spatial distribution of the elements were conducted. A total of 30 agricultural soil samples and 12 background soil samples were collected from Darreh Zereshk area in central Iran which is going to be one of the richest copper mines in Iran and the Middle East. Total and soluble concentration of heavy metals (Cu, Pb, Zn, Mn, As, Fe, Ni, and Cr) and some physico-chemical properties of soils were determined. The results showed that contamination of the agricultural soils is more severe for Pb, Cu, and Zn and less severe for As. The origin of Ni and Cr did not seem to be anthropogenic. The average concentration of Cu, Pb, Zn, Mn, As, Fe, Ni, and Cr in agricultural soils of the area were 36.87 mg/kg, 190.78 mg/kg, 170.33 mg/kg, 367.41 mg/kg, 69.42 mg/kg, 15494.1 mg/kg, 29.25 mg/kg, and 25.01 mg/kg, respectively. Since the Fe and Mn with geogenic origin were located in the same component with Cu, Zn, Pb, and As; it can be inferred that the source of these elements is controlled by both parent material of soil and anthropic activity.

矿山的开采会导致重金属进入环境。Darreh Zereshk地区在不久的将来可能会受到水，土壤和植物的污染。评估土壤污染并确定所选重金属的来源，富集因子（EF）和地积累指数（I _geo），并进行主因子分析（PCA）并绘制元素的空间分布图。从伊朗中部的Darreh Zereshk地区收集了总共30个农业土壤样品和12个背景土壤样品，该地区将成为伊朗和中东地区最丰富的铜矿之一。测定了土壤中重金属（铜，铅，锌，锰，砷，铁，镍和铬）的总和可溶性浓度以及一些理化性质。结果表明，铅，铜和锌对农业土壤的污染更为严重，而砷对农业土壤的污染较轻。Ni和Cr的来源似乎不是人为的。该地区农业土壤中Cu，Pb，Zn，Mn，As，Fe，Ni和Cr的平均浓度分别为36.87 mg / kg，190.78 mg / kg，170.33 mg / kg，367.41 mg / kg，69.42 mg / kg，15494.1 mg / kg，29.25 mg / kg和25。分别为01 mg / kg。由于Fe和Mn的成因起源与Cu，Zn，Pb和As位于相同的组分中；可以推断，这些元素的来源受土壤母体和人类活动的控制。