knob and kettle

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knob and kettle (sag and swell topography) The landscape sometimes found on a recent terminal moraine complex and consisting of a hummocky mound (the ‘knob’) alternating with a depression (the ‘kettle’). The ‘kettle’ results from the melting of a block of ice enclosed in the drift.

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knob and kettle(sag and swell topography) The landscape sometimes found on a recent terminal moraine complex, consisting of a hummocky mound (the ‘knob’) alternating with a depression (the ‘kettle’). The ‘kettle’ results from the melting of a block of ice enclosed in the drift.