Abstract: Light micrograph of a mixture of lithium chloride (LiCl), sodium chloride (NaCl), potassium chloride (KCl) and magnesium chloride (MgCl2) crystals formed in water from the salt flat, Salar de Uyuni (Salar de Tunupa) in Bolivia, South America. Most of the crystals (particularly the larger ones) are immersed in water. Water (brine) from the Salar de Uyuni is saturated with large amounts of these salts as well as borax. Analysing the composition of water is being used to study life in extreme environmental conditions, such as the high saline environment found in salt flats. Image acquired with a stereoscopic zoom microscope. Horizontal width of image is 3.5 mm.
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