Answer :
Formation of Dasht-e Lut desert:
In territories where salt water aggregates places that are influenced by salt groundwater, salt terrains of different shapes are framed which can be ordered by their appearance such as Oval Plains, Spring Plains, Plowed Plains, Stalagmite Salt Lands.
Dasht-e Lut in some logical sources was additionally called the Lut Hole that is situated between the scopes from 28 to 32 degrees N. It has 900 kilometers in length from north to south, and it has 200 to 300 kilometers width from west to east. Desert land structure spreads twenty-five percent of Iran's territory.
These terrains incorporate a remarkable assortment of geomorphological phenomena. The word Lut implies desolate that needs everything, it needs vegetation and water, two fundamental elements for the endurance of people and creatures; accordingly, some indigenous individuals were and still are hesitant to go to this territory.