Texas Gulf Potash Pond One A

These lakes play a key role in the mining of potassium chloride from one buried underground. This compound, known as muriate of potash, accounts for 95 % of all potash fertilisers used worldwide. The ponds contain potash brine. When the pond water evaportates the lakes produce a vivid green or blue color. The color reflects its state of evaporation. The darkest blue indicates deeper water. The rich blue hue comes from dye added to speed up the rate at which water absorbs sunlight and warmth, aiding evaporation. The name potash derives from pot ash, which refers to plant ashes soaked in water in a pot, the primary means of manufacturing the product before the industrial era. The word potassium is derived from potash. The surroundings of the lake are the deserts of the Colorado Plateau

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