Evaluating the role of structural parameters in identifying karst water resources Case study: of Kopeh Dagh structural zone

Document Type : Original Article

Authors

1 Geology Department, Faculty of Basic Science, Payame Noor University (PNU), Tehran, Iran

2 Department of Geology. Faculty of Basic Sciences. Payam Noor University, Tehran. Iran

Abstract

This research was conducted with the aim of investigating the geological and structural condition of Kopeh Dagh structural zone to create the karst phenomenon. Using the digitization of geological maps, the main faults of the studied area were identified. The condition of limestone formations, length, number and density of faults and fractures were investigated. Due to the existence of many fractures in the area and the complexity of their analysis, the fractal dimension analysis method was used to prepare the fracture density map.The results showed that there is a very close relationship between the number of springs and the distance from faults, such that the largest number of springs studied are located near fault lines, but the spring discharge rate has no relationship with the distance from the fault and is more related to geological formations. Parts of the studied structural zone that have the highest density of faults and fractures in thick-bedded carbonate formations have the highest potential for karst groundwater in the region. In the structural zone of Kopeh Dagh, Mozduran and Tirgan basins have the most underground water reserves, followed by the Dareh Gaz, Quchan, Kardeh, and Quzaghan Chai basins, respectively.Therefore, this study can be an introduction to obtaining new water sources in the region.

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References

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History

  • Receive Date: 13 September 2024
  • Revise Date: 06 September 2024
  • Accept Date: 11 February 2025

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