Dallol sulphur hot spring and associated mineral formations. The sulphur first precipitates in white and grey, then turns to yellow, then orange as it gets more oxidized. The natural spring is some 50 m. below sea level in the middle of a salt flat. The geothermal heat of the East African Rift turns the minerals of the lake bed into a spectacular chemistry experiment in salt precipitation. Visible here are two sets of tracks for vehicles that crossed the salt plain, with the one on the left ob
Uncompressed file sizes and pixel dimensions are approximate. Grayscale images are 1/3 the file size of RGB files. Files downloaded directly from the website are compressed JPEG format. You may request a TIFF file, if available, or a larger interpolated size for your output needs. Please contact Customer Service for associated production fees.