Here, natron from el-Barnugi in the Egyptian Nile delta, a site which also probably supplied Roman glassmakers, is used to produce glass. Analyses of Egyptian natron have shown it to be a complex mixture of different sodium compounds, and previous experiments to make glass with Egyptian natron have been unsuccessful. His account of glassmaking with natron has since been corroborated by analyses of archaeological glass and the discovery of large-scale glass production sites where natron glass was made and then exported. Another legend claims the flat was formed because after two mountain gods were married, the husband left and the wife cried until her tears created the Salar de Uyuni.Pliny the Elder describes the discovery of a process for making natron glass, which was widely used for much of the first millennium bc and ad. They both believed themselves to be the father, and Yana Pollera sent her child away to where the salt flat is located today and flooded the area with her milk that eventually evaporated into salt so it would survive. In one of them, one of the nearby mountain goddesses, Yana Pollera, gave birth to a baby that two other mountain gods fought over. In addition, there is still water underneath the salt that continues to evaporate as temperatures rise, which adds more salt to the surface.īeyond the scientific explanation for the Salar de Uyuni’s creation, the locals have passed on their own legends. Over the course of its slow evaporation, the salt hardened and created a crust that formed the area into what it is today. ![]() The Salar de Uyuni was created 40,000 years ago, after Lake Michin evaporated. 70% of the lithium in the world is also mined from this salt flat. The Salar de Uyuni is large enough to be seen from space, and it contains 10 billion tonnes of salt. The winter months also have clear skies that offer beautiful stargazing opportunities, the reflected stars only adding to the salt flat’s wonder. However, during this time, Salar de Uyuni turns into the world’s largest natural mirror, reflecting the light from the sky. The salt flat is mostly waterproof, but too much rain will melt some of the salt and make it dangerous to walk on. ![]() Generally, there are only a few centimeters of water so it is still possible to walk on it, but as the weather is unpredictable, some areas become restricted for safety. Though the seeing the dry, white salt stretch for miles is beautiful, when the salt flat is filled with water, it creates a clear mirror-like lake. Since the salt is white, the Salar de Uyuni appears to be a large white desert, but during the rainy season, nearby lakes overflow, rivers empty into the salt flat and it becomes filled with water. It is also 10,000 feet above sea level, as it is located in the Andes. ![]() It is over 4,050 square miles and the salt crust stretches to the horizon. It is in southwestern Bolivia, close to the border between Bolivia, Chile and north of the Argentinian border. Located in the Andean Plateau in South America, the Salar de Uyuni is the largest salt flat in the world.
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