The Present is the Key to the Past
On the north side of Mt. Hesperus there is a small active glacier. This glacier is unusual in that the entire glacial system from hanging wall to terminus can be observed in one photograph and the glacier displays most of the major physiographic features formed in this environment. The source area of the glacier is […]
The Present is the Key to the Past
Ancient glacial features are interpreted by comparing them with glacial features formed in current active glaciers. Mount Hesperus is a horn in the Revelation Mountains in western Alaska. Mt. Hesperus rises from the Revelation Mountains in the western Alaska Range.
Introduction to Glaciation
The Wisconsin Glaciation, occurred in North America between 5,000-65,000 years before present. The last major glacial event peaked about 16,000 years ago. In eastern and central North America enormous continental glaciers scoured the landscape at this time. In much of the west, alpine glaciers formed in the higher mountain ranges. Alpine glaciers form when winter snowfall […]
Introduction to Glaciation
The Wisconsin Glaciation, occurred in North America between 5,000-65,000 years before present. The last major glacial event peaked about 16,000 years ago. In eastern and central North America enormous continental glaciers scoured the landscape at this time. In much of the west, alpine glaciers formed in the higher mountain ranges. Alpine glaciers form when winter snowfall […]