GLACIER TYPES retreating glaciers piedmont glaciers icefields hanging glaciers tidewater glaciers surging glaciers rock glaciers mountain glaciers ice caps
GLACIER FEATURES glacier terminus ice caves icefall crevasses ogives
GLACIAL LANDFORMS glacial grooves and striations chatter marks glacial trough glacial erratic moraines aretes, horns, and cirques drumlins
Retreating glacier in Nunavut, Canada. The large grey area on the valley floor is freshly exposed till and gravel.
(Source: Natural Resources Canada. Photograph by Ron DiLabio. Copyright Terrain Sciences Division, Geological Survey of Canada.)