Journey in the Tufa Kingdom

In a distant land, across mountains and deserts and upon a high plain, lies a lake of great peculiarity. Water flows in, but no water flows out. The only way water leaves is by evaporation. And when the water evaporates, it leaves salt and other goodies behind. So the lake is salty, and alkaline, and rich in carbonates. What’s more, there are subterranean springs which bring calcium-rich water. When this spring water meets the lake water, presto! You have a reaction, and calcium carbonate, a.k.a limestone is precipitated. Get a spring like this going for many decades or centuries and amazing limestone towers known as tufas will form. Savina and I journeyed to see these famous tufas at Mono Lake, and here is what happened:

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