Free greatest sands or Egyptian Sand Sea, and consists of three sand seas are located in the south-west of Western Sahara, and extends along the Egyptian-Libyan border, between the Gilf Kebir and Siwa Oasis. It is a soft area of sand dunes, a width of 200 km, and extends it to San width of 150 km, from south of Siwa, even Jalo oasis in the inside Libya. It is a natural blocker for any military movements, whether automated or Butch.
October 18, 2011 declared d. Khaled return of an expert geologist global and professor of layers and fossils Faculty of Science, University of Assiut, about the thickness of sand in the sea of sand greatest does not exceed 30 cm, and falls below this layer white stone Nubian, which covers the water tank underground huge stretches from Chad and Libya to Egypt, an area of 3,000,485 thousand acres, also confirms the possibility of exploiting this space in agriculture, urban development and after several field visits carried out by the research team return with scientific from Ackra Research Center at the University of Assiut. [1]
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