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Encyclopedia > Blue Lake, South Australia
The Blue Lake in early March with the original pumping station in the foreground.
The Blue Lake in early March with the original pumping station in the foreground.

The Blue Lake (37°50′S 140°46′E) in Mount Gambier is a large lake located in an extinct volcanic caldera. It is known as Waawor in the local Aboriginal language. Mount Gambiers Blue Lake, the old Pumping Station in the foreground. ... Mount Gambiers Blue Lake, the old Pumping Station in the foreground. ... Mount Gambier is a city of 23,282 people 2001 census which is after Adelaide, the largest population centre in South Australia. ... Satellite image of Santorini. ... The Australian Aboriginal languages are a Australia, and the rest are descended linguistically from them. ...


During summer (December to February) and the surrounding months, it appears to be a vibrant blue colour, returning to a more normal colour for winter.


An explanation for this phenomenon is that carbon dioxide degasses from the magma and rises to surface, reacting with the limestone underneath the lake. This reaction dramatically increases the concentration of calcium dissolved in the water. The change in temperature of the calcium-rich lake causes the calcium to become supersaturated and precipitate out of the solution. Micro-crystallites of calcium carbonate scatter the blue wavelength of sunlight. Carbon dioxide is a chemical compound composed of one carbon and two oxygen atoms. ... Magma is molten rock located beneath the surface of the Earth (or any other rocky planet), and which often collects in a magma chamber. ... Limey shale overlaid by limestone. ... General Name, Symbol, Number calcium, Ca, 20 Chemical series alkaline earth metals Group, Period, Block 2, 4, s Appearance silvery white Atomic mass 40. ... HI JAMIE!!!!! In chemistry, the term supersaturation or oversaturation refers to a solution that contains more of the dissolved material than could be dissolved by the solvent under normal circumstances. ... Dissolving table salt in water In chemistry, a solution is a homogeneous mixture composed of one or more substances, known as solutes, dissolved in another substance, known as a solvent. ... Quartz crystal In chemistry and mineralogy, a crystal is a solid in which the constituent atoms, molecules, or ions are packed in a regularly ordered, repeating pattern extending in all three spatial dimensions. ... Calcium carbonate is a chemical compound, with chemical formula CaCO3. ... Rayleigh scattering causing a reddened sky at sunset Rayleigh scattering (named after Lord Rayleigh) is the scattering of light, or other electromagnetic radiation, by particles much smaller than the wavelength of the light. ... The wavelength is the distance between repeating units of a wave pattern. ...


The Blue Lake supplies the town with drinking water, providing approximately 3,600 ML per year from its 36,000 ML store. Its average depth is 70 m. A megalitre (Ml or alternatively ML), also spelled megaliter, is one million (1,000,000) litres in the metric system. ...


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