Exam 17: Glaciers and Glaciation

An erratic is made of ________.

Where is the equilibrium line on a glacier?

Independent of any local scale erosion or deposition, thick accumulations of ice load the crust and upper mantle ________.

A gently rolling layer of till called ________ is deposited as ice advanced and then retreated.

Glaciers erode underlying bedrock in which two main ways?

How can "Plate Tectonics" influence climate or contribute to major glacial cycles?

Which glacial landform was originally deposited as a fan against glacial ice or within depressions on the ice surface?

Kame terraces were originally deposited ________.

Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases. -Choose the option that does not fit the pattern.

Sketch the velocity profiles showing the direction and relative speed of ice movement, across and beneath a valley glacier.

Bowl-shaped depressions in bedrock at upstream ends of alpine glacial valleys are called ________.

What was the maximum lowering of sea level during the last Ice Age?

Which of the following best describes the term glacial drift?

Which was not true during the height of last Ice Age?

Where would you likely find glaciers that could only move by plastic flow above the bed?

A moraine is primarily made of ________.

The volume of the Antarctic ice sheet is about equal to the total volume of ice in all alpine glaciers of the world.

What is the classical name for the oldest, Pleistocene, glacial stage of North America?

Which process occurs where a glacier enters the sea?

________ is one of the three ways a glacier can move over its bed.