مقدمه ای بر اکتشاف پتاس در ایران

    Diapir Pol is a fountain type extrusion of Hurmoz salt (Cambrian salt) in Zagros Fold-Thrust Belt. Potash on Diapir Pol is highly deformed and three generation of folding are formed during intrusion, early extrusion, late extrusion and flow of salt. Potash outcrops on Diapir Pol are classified into two groups according to the chemical analysis on one thousands samples and X- ray diffraction results. The average grade of potassium sulfate in iron rich potash is ۲۳.۷۲% and the average amounts of sylvite in high grade yellow potash is ۵۹.۶۴%.  The reserve of yellow potash is one million tons.

     Upper Red Formation in northwest of Iran is the host of magnesium and potassium sulfate reserves such as Mianaj mine, Choopanlu indices and Iljaq reserve. The potash reserve in Iljaq salt structure is more than ۲۱۰۲۶۶۶ tons, the average grade of kainite is ۵۱.۱% but the average grade of sylvite is ۶.۲% (halite is ۴۲.۸%). It is a good row material for high grade fertilizer production.

     Preliminary and detailed exploration in northwest of Iran is recommended but Ravar basin is unknown. Crystalline potash prospecting in salt crusts (playa) by remote sensing methods and also preliminary exploration in Great Kavir are offers.