The previous page is sending you to http://geosociety.ir/fa_ir/2019/02/14/%D9%85%D8%AC%D9%85%D9%88%D8%B9%D9%87-%D9%85%D9%82%D8%A7%D9%84%D8%A7%D8%AA-%D8%A8%DB%8C%D8%B3%D8%AA-%D9%88-%DB%8C%DA%A9%D9%85%DB%8C%D9%86-%D9%87%D9%85%D8%A7%DB%8C%D8%B4-%D8%A7%D9%86%D8%AC%D9%85%D9%86/.

 If you do not want to visit that page, you can return to the previous page.