White Sands in the Tularosa Basin
White Sands in the Tularosa Basin. White Sands National Monument, New Mexico, USA. The glistening dunes of White Sands in the Tularosa Basin are not sand, but fine gypsum, deposited on an ancient seabed 250 million years ago. Gypsum, a form of calcium sulfate, is water soluble and washes away. But geological forces here created a basin with no outlet. In the background the Sacramento Mountains
Picture No
10761002
Media ID
42883257
Size
2254px x 3381px
(1.3MB)
Credit
©Thomas Dressler / www.ardea.com
Category
NA
Ardea Picture Library
Picture No
10761002
Contributor Ref
TD-1860
