Minerals and salts, such as calcium carbonate, contribute to the distinctive colour of Green Lake, which is around 195 feet deep compared to Round Lake, which is about 180 feet deep. "[Minerals and salts] leech into the lake from the groundwater," the charity said. This park is home to a unique natural phenomenon known as "whiting," which occurs every year from the end of May through the beginning of June when calcium carbonate precipitates out of the water and settles to create reef-like formations: https://driving-directions.co

Aimer