When the floors of lesser troughs lie above the sea level of the main trough, they are called:

Name: When the floors of lesser troughs lie above the sea level of the main trough, they are called:
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Hanging valleys are formed when smaller glaciers meet a larger glacier and the smaller glaciers' floors are eroded less than the larger glacier's floor. This results in the smaller glacier's floor being above the level of the larger glacier's floor, creating a hanging valley.

When the Floors of Lesser Troughs Lie Above the Sea