Document Type : scientific-research article
Abstract
Groundwater quality characteristics are affected by lithology and geological structure of aquifer formations. This research has studied the groundwater chemical quality of the upper Aji-chai basin with regard to different geological formations. Using Pie and Piper diagrams, the researchers analyzed hydro-chemical elements of 47 sample groundwater resources. After determining water type of samples, we studied the role of different geological formations in the chemical quality of samples. The results showed that minerals in the water samples increase as one moves toward west. That is, water type changes from calcium bicarbonate in the slopes of Sabaln and Bozghoosh aquifers to calcium chloride and magnesium chloride west-wise
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