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A 'terminal moraine', also called 'end moraine', is a moraine that forms at the end of a glacier.
Terminal moraines mark the maximum advance of the glacier. An end moraine is at the present boundary of the glacier.
Terminal moraines are one of the most prominent types of moraines in the Arctic. One famous terminal moraine is the Giant's Wall in Norway which, according to legend, was built by giants to keep intruders out of their realm. We now know that terminal moraines are created at the edge of the greatest extent of the glacier. At this point, the debris that has been pushed by the front edge of the ice is driven no farther, but instead is dumped in a heap. Because the glacier acts very much like a conveyor belt, the longer it stays in one place, the greater the amount of material that will be deposited. The moraine is left as the marking point of the terminal extent of the ice.
The Outer Lands is a name given to the terminal moraine archipelago of the northeast United States (Cape Cod, Martha's Vineyard, Nantucket, Block Island and Long Island).
Other prominent examples of terminal moraines are the Tinley and Valparaiso Moraines, perhaps the best examples of terminal moraines in North America. These moraines are located Southwest of Chicago.

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See also

★ glacier terminus

★ moraine

External link

★ Physical Geography of Palos Hills