Gly Test 3 Practice Ch 18

48 Questions  I  By Elfernagomez
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1.  The ________ is not the name of a Pleistocene glacial episode in North America.
A.
B.
C.
D.
2.  The ________ was the most recent Pleistocene glacial episode in North America.
A.
B.
C.
D.
3.  ________ is one of the two major flow mechanisms in a glacier.
A.
B.
C.
D.
4.  Where is the world's largest ice sheet located today?
A.
B.
C.
D.
5.  Approximately how long ago did the last of the great North American ice sheets melt?
A.
B.
C.
D.
6.  ________ has/have speeds comparable to those of a flowing alpine glacier.
A.
B.
C.
D.
7.  The bottom or downward tip of a crevasse marks the ________.
A.
B.
C.
D.
8.  Which one of the following applies to a valley glacier that lengthens (extends its terminus downslope) over a period of many years?
A.
B.
C.
D.
9.  Abrasion and plucking generally involve what part of a glacier?
A.
B.
C.
D.
10.  A ________ cross-valley profile is typical of canyons and valleys eroded and deepened by alpine or valley glaciers.
A.
B.
C.
D.
11.  ________ are erosional features produced by valley/alpine glaciers.
A.
B.
C.
D.
12.  A(n) ________ is a depositional feature composed of till and only associated with continental glaciation, not with alpine glaciers.
A.
B.
C.
D.
13.  Which of the following glacial features would typically be found in close proximity?
A.
B.
C.
D.
14.  A(n) ________ represents a former meltwater channel or tunnel in glacial ice that was filled
A.
B.
C.
D.
15.  What type of moraine would be most useful for tracing diamond-bearing kimberlite fragments directly to their bedrock source area?
A.
B.
C.
D.
16.  Which one of the following samples and experimental measurements would provide the most information about the Earth's climate over the last 100,000 years or so?
A.
B.
C.
D.
17.  ________ is the best explanation for a glacial surge.
A.
B.
C.
D.
18.  All of the following descriptions apply to stratified drift (not glacial till) except for ________.
A.
B.
C.
D.
19.  A(n) ________ is similar in appearance to a sinkhole of a karst area.
A.
B.
C.
D.
20.  Which one of the following prominent landforms, located from the Wasatch Range, UT, westward to the Sierra Nevada, CA, formed during the Pleistocene glacial episodes?
A.
B.
C.
D.
21.  A fiord is ________.
A.
B.
C.
D.
22.  Which process occurs where a glacier enters the sea?
A.
B.
C.
D.
23.  The ________ of the geologic time scale represents the time of the most recent "Ice Age."
A.
B.
C.
D.
24.  Which of the following is the correct listing of the North American glacial stages from older to younger?
A.
B.
C.
D.
25.  Which one of the following statements concerning glaciers is not true?
A.
B.
C.
D.
26.  A ________ is an erosional feature specifically produced by alpine glaciation.
A.
B.
C.
D.
27.  A(n) ________ is likely to host a waterfall or steep rapids today.
A.
B.
C.
D.
28.  A ________ is a glacier-cut valley that partly flooded as sea level rose.
A.
B.
C.
D.
29.  A drumlin is a ________.
A.
B.
C.
D.
30.  ________ are both deposited by meltwater streams.
A.
B.
C.
D.
31.  Where is the world's second largest continental ice sheet?
A.
B.
C.
D.
32.  How do icebergs in the North Atlantic Ocean originate?
A.
B.
C.
D.
33.  Which of the following best describes the term glacial drift?
A.
B.
C.
D.
34.  Which one of the following statements concerning glacial deposits is not true?
A.
B.
C.
D.
35.  What type of moraine is formed by the merging of two lateral moraines at a junction of two valley glaciers?
A.
B.
C.
D.
36.  A ________ forms when stagnant, glacial ice melts after being buried by drift.
A.
B.
C.
D.
37.  Which one of the following could not have significantly affected climatic variations and advances and retreats of ice sheets during the Pleistocene epoch?
A.
B.
C.
D.
38.  ________ was a very large, pluvial lake in Utah during the Pleistocene Epoch.
A.
B.
C.
D.
39.  A(n) ________ would logically be situated next to a large end moraine or terminal moraine.
A.
B.
C.
D.
40.  Which of the following is often associated with a cirque basin in high, mountainous terrain?
A.
B.
C.
D.
41.  ________ is an irregular, usually thin till layer laid down by a retreating glacier.
A.
B.
C.
D.
42.  All of the following are thought to possibly contribute to the formation of glaciers except for ________.
A.
B.
C.
D.
43.  ________ moraine
A.
B.
C.
44.  ________ erratic
A.
B.
C.
45.  ________ cirque
A.
B.
C.
46.  ________ esker
A.
B.
C.
47.  ________ horn
A.
B.
C.
48.  ________ drumlin
A.
B.
C.
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