A kettle lake is a shallow, sediment-filled body of water formed in a kettle hole, which is created by the melting of a buried block of glacial ice. These lakes are important in studying post-glacial environments, sedimentary processes, and the ecological development of freshwater systems.
Source Johnson, W. H., & Clayton, L. (2003). “Formation of Kettles by Subglacial Meltwater.” Geological Society of America Bulletin, 115(5), 645-654.