Exam 15: Glaciers and Glaciation

A fiord is ______.

The upper 40 meters or so of a glacier is known as the zone of______ .

How do icebergs in the North Atlantic Ocean originate?

A _______ forms when stagnant, glacial ice melts after being buried by drift.

Which process occurs where a glacier enters the sea?

A(n)______is a narrow, winding ridge composed of outwash deposited in a tunnel or channel cut into stagnant, glacial ice.

Which one of the following applies to a valley glacier that lengthens (extends its terminus downslope)over a period of many years?

A ______is an erosional feature specifically produced by alpine glaciation.

______was a very large, pluvial lake in Utah during the Pleistocene Epoch.

A(n)______represents a former meltwater channel or tunnel in glacial ice that was filled with sand and gravel.

A(n)______is likely to host a waterfall or steep rapids today.

Would most features of alpine glaciation be preserved in the geologic record? Why or why not? What about continental glaciation?

Where are the largest kettles located?

Which one of the following statements concerning glaciers is NOT true?

What term denotes a glacial valley that was partly flooded as sea level rose?

What general term denotes wastage of a glacier?

The ______was the most recent Pleistocene glacial episode in North America.

Unusually rapid, forward movements of glaciers are called______ .

List the two, major mechanisms of glacial flow.