Fyodorov Sergey Anatolievich RussiaKotelnikovo“EuroKhim-VolgaKaliy, 404354, the city of Kotelnikovo, st. Lenina, 7. The Volgograd Region.chief geologistMoskovskyGA@info.sgu.ru Author's articles Internal Salt Tectonics within the Halogenic Series in the Gremyachinskoye Potassium Salt Field