Exam 15: Glaciers and Glaciation

Which type of glacial drift is deposited by glacial meltwater?

Who performed the extensive fieldwork that supported the 1821 hypothesis put forth by I. Venetz?

Where are the only present- day continental ice sheets?

All of the following descriptions apply to stratified drift (not glacial till)EXCEPT for______ .

Which is the only continent without glaciers?

Which of the following factors did not contribute to climate change?

A(n)______is a depositional feature composed of till and only associated with continental glaciation, not with alpine glaciers.

A(n)______is a closed depression formed by melting of an ice block buried in a moraine or outwash plain.

______is the best explanation for a glacial surge.

What is the name for the very large, pluvial lake that once existed in northwestern Utah?

Which of the following glacial features would typically be found in close proximity to each other?

______is an irregular, usually thin till layer laid down by a retreating glacier.

Valleys deeply eroded by alpine glaciers have what characteristic, cross- valley profile?

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

What type of moraine is formed by the merging of two lateral moraines at a junction of two valley glaciers?

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

Bridal Veil Falls in Yosemite National Park is an example of a(n)_______.

What is the oldest, Pleistocene, glacial stage in North America?

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

Which of the following is often associated with a cirque basin in high, mountainous terrain?