Environmental geochemistry of Bandar Abbas thermal springs, S of Iran

Document Type : Original Articles

Authors

1 MSc. Student of Environmental Geology, Faculty of Environment and Energy, Science and Research Branch, Islamic Azad University, Tehran

2 Associated Prof., Department of Geology, Faculty of Earth Sciences, Shahid BeheshtiUniversity, Tehran

3 PhD Geologist in Geological Survey of Iran (GSI), Tehran

4 Assistant Prof., Faculty of Environment and Energy, Science and Research Branch, Islamic Azad University, Tehran

Abstract

Bandar Abbas, Hormozgan province has an area with numerous hot springs.The Springsis located in FoldedZagros geological zone, and the host rocks of the springs are Cretaceous to Miocene limestones. Water samples from four hot springs and one cold spring were collected in two times, April (wet condition) and September (dry condition) 2013, In order to evaluate their environmental geochemistry. Temperature, pH, Eh and electrical conductivity (EC) were measured on site. Major and trace elements were analyzed by ICP-OES method. Also, elements such as Hg, As, Bi and Sb were measured by using atomic fluorescence method at detection limit of ppb. Trace elements are relatively high from environmental standards. Concentrations of U, Th and REE in springs water is high. Hydro geochemical studies indicate that high concentration of chloride in the water springs. The hydro chemical facies of hot and cold springs are NaCl and H2S gas boiling type. Genesis of the thermal springs indicate that these springs was derived from an ancient hydrothermal\source and high concentrations of chloride, indicating the high depth of the source.

Keywords

References

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Environmental Sciences
Volume 12, Issue 3
October 2014

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