Exam 6: Glaciers, Deserts, and Winds

Loess consists mainly of silt-sized particles.

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

A(n) ________ cross-valley profile is typical of canyons and valleys eroded and deepened by alpine or valley glaciers.

Matching. Match the feature with the appropriate material. -moraine

What term describes open fissures in the brittle surface ice of a glacier?

During the Pleistocene glacial epoch, pluvial lakes were common in valley regions of what part of the United States?

List the two major mechanisms of glacial flow.

Match the features on the illustration below to the correct answer for each one. A) ground moraine B) outwash plain C) esker D) end moraine E) drumlin F) kettle hole/lake

Label the bajadas and playa on the diagram below.

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

Desert and steppe lands cover about what percentage of Earth's land area?

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

Which one of the moraines listed below is NOT characteristic of continental glaciation?

Arêtes, horns, and U-shaped valleys are erosional features carved from bedrock by glaciers.

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

A name commonly used as a synonym for the Ice Age is ________.

________ are smoothly tapered, elongated hills of till shaped by an overriding continental ice sheet.

The steeper, lee slope of a sand dune is called the slip face.

Surges in glacial movement are probably related to unusually fast rates of basal sliding.

Which one of the following could NOT have significantly affected climatic variations and advances and retreats of ice sheets during the Pleistocene epoch?