- Glacial erosion widens a valley.
- When glacier reaches its terminus it begin to melt.
- Ice remains stagnant at the point of melting for several years.
- Moraine is deposited across widened valley to form a ridge of terminal moraine.
- Glacier begins to retreat towards snow field as it melts.
- The melt water accumulates behind the ridge of terminal moraine to form a moraine dammed lake.
sharon kalunda answered the question on April 18, 2019 at 08:28
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