Abarkuh Sinkholes

The Sinkhole is a depression or hole in the ground caused by some form of collapse of the surface layer. Most are caused by karst processes—for example, the chemical dissolution of carbonate rocks or suffusion processes. Sinkholes vary in size from 1 to 600 m both in diameter and depth, and vary in form from soil-lined bowls to bedrock-edged chasms. Sinkholes may form gradually or suddenly, and are found worldwide.(wikipedia)

Abarkuh County in south-west of Yazd province in center of IRAN have faced with some sinkhole occurrences in recent years which have caused significant damages to agriculture lands and other infrastructures of villages in this area.

From 2000 to 2005 more than 30 sinkholes had happened near Faizabad village. According the geological map of this area, sinkholes have formed on quaternary layers with maximum 13.5 meters and minimum 0.5 meters deep.

Photo by: Siamak Mohammadi Sivandi

 

Keywords: Abarkuh , Geology , Geotourism , Iran , Quaternary , Sediment , sinkhole , underground water , zamingasht

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