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Paper Information

Journal:   GEOSCIENCES   WINTER 2008 , Volume 17 , Number 66; Page(s) 40 To 59.
 
Paper: 

YARIM-GHAYEH CAVE (STUDY AND INVESTIGATION)

 
 
Author(s):  ALI POUR SAMAD*
 
* DEPARTEMENT OF GEOLOGY, FACULTY OF SCIENCE, URMIA UNIVERSITY, URMIA, IRAN
 
Abstract: 
Yarim-ghayeh cave is located in the border of Iran and Turkey and is hosted by the Oliogocene-Miocene limestone body. It’s in and outside rough topography implies that the cave is very young and in fact in the beginning stage of its formation. Overall volume is 9600 m3 with 631 m2 dry area and 4700 m3 occupied by water with 4 to 6 meters in depth. Structurally, the cave has been formed by a fault system cause a sinkhole form on the top of the cave approximately of 10000 m2. Its water is clean and clear with pH of 7.36 and its fluorine is only 1.7ppm compared to 4.5ppm in Maku area.
Yarimghayeh playa with an area of 5 m2 is in the close eastern part of the cave with permanent water flow. Elevation of the water surface of playa is 1414m which is 2 m higher than the water surface of the cave (1412 m). 500 m3 water is daily pumped out without any change in water level. Since there is no any other water flowing to the cave, therefore, the playa is supplying the cave water system. The ecosystem of the cave and playa are tight together and any change in one will affect the other. To protect its water quality from contamination, access to this small scale cave must be restricted except for scientific research.
 
Keyword(s): CAVE, YARIMGHAYEH CAVE, CAVE INVESTIGATION, YARIMGHAYEH PLAYA, MAKU
 
References: 
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