“Humans cannot, and would die if their legs were exposed for any length of time.” So far this year, water levels have been too high for the flamingos to nest. This has allowed the lake to concentrate into a caustic alkaline brine. The lavas have significant amounts of carbonate but very low calcium and magnesium levels. The surrounding bedrock is composed of alkaline, sodium-dominated trachyte lavas that were laid down during the Pleistocene period. The water’s alkalinity comes from the sodium carbonate and other minerals that flow into the lake from the surrounding hills. The alkaline water in Lake Natron has a pH as high as 10.5 and is so caustic it can burn the skin and eyes of animals that aren’t adapted to it. Why is the water on Lake Natron dangerous? The water is extremely alkaline and it’s pH is almost as high as that of ammonia. As a consequence, as the water evaporates, it leaves behind high concentrations of salt-making it a salt lake, like the Dead Sea. The extreme waters of Tanzania’s Lake Natron are as deadly as they are beautiful.
3 Does Natron lake turn animals into stone?.1 What happens if you swim in Lake Natron?.
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