Glacial Deposits
There are two main types of deposits and an important ocean valley that
glaciers left behind when they retreated.
Moraine: A large clump of rock debris left behind when the lower end of a
glacier melted, leaving it lying straight across a valley.
Erratic: One large boulder left behind in a place where there are
few others. Erro is the Latin word for stray.
Fjords: When glaciers finally reached the ocean shores, they kept going, and
plowed under the water; cutting straight valleys and leaving ridges above and
below, called fjords. In some fjords, the water is up to a thousand feet deep.
Below are four images of the above. Can you tell what each photo is of?
