Umm as-Samim
Umm as-Samim ( Arabic أم الصّميم, DMG Umm aṣ-Ṣamīm ; also Umm Al Samim , Umm As Samin and similar) is a sabcha (shallow, occasionally flooded basin) on the Arabian Peninsula , which is known for its quicksand . It is located on the eastern edge of the Rub al-Chali desert and roughly forms the border between Oman and Saudi Arabia .
In the Pliocene and Ice Age, there was a large lake in its place. It was Sir Wilfred Thesiger who was the first European to visit and report on this area in the 1940s.
swell
- ↑ Spectrum of Science, June 2008, pp. 62–69, The artesian sources of Dilmun
Coordinates: 21 ° 33 ' N , 56 ° 4' E