Lake Keilambete, one of the Victorian crater lakes, is a maar lake 4 km north of Terang, 190 km west of Melbourne. At present the water is a circular body 1.8 km in diameter and an average depth of 11 m. Impermeable mud lines the flat lake bed. The salinity is twice that of seawater, and there are wave-cut notches up the crater walls that show the depths reached by the lake at various times. The layers of the bottom sediment can reveal the history of the lake. See http://austhrutime.com/lake_keilambete.htm
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