Earth: An Introduction to Physical Geology
11th Edition
ISBN: 9780321814067
Author: Edward J. Tarbuck, Frederick K. Lutgens, Dennis G Tasa
Publisher: Prentice Hall
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Question
Chapter 4, Problem 4GST
a)
To determine
The aphanitic rock with 30 percent calcic plagioclase feldspar, 55 percent pyroxene and 15 percent olivine using the Figure 4.5.
b)
To determine
The phaneritic rock contains about 20 percent of quartz, 40 percent of potassium feldspar, 20 percent of sodium-rich plagioclase feldspar, a little amount of muscovite and rest dark silicates.
c)
To determine
The aphanitic rock having nearly 50 percent plagioclase feldspar, 35 percent amphibole, 10 percent pyroxene, and small amounts of light-colored silicates.
d)
To determine
The phaneritic rock principally composed of olivine and pyroxene and minor amount of calcium-rich plagioclase feldspar.
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BUY
Ap
Retreating
glacier
Bedrock
Till
Stratified
drift
▲ Figure 9.7 This diagram showing common depositional landforms depicts a hypothetical area affected by ice
sheets in the recent geologic past. (Drumlin photo courtesy of Ward's Natural Science Establishment; esker photo by Richard P. Jacobs/
JLM Visuals; kame photo by John Dankwardt; kettle lake photo by Carlyn Iverson/Science Source)
Figure 9.9 is a stereogram showing a portion of the area covered by the Whitewater, Wisconsin, topographic map (Figure 9.10, page 160). Use the stereogram and the map to complete the following.
7. The streamlined, asymmetrical hills composed of till, labeled B, are what type of feature?
8. Examine the shape of the features labeled B on the map in Figure 9.10. How can these features be used to determine the direction of ice flow in a glaciated area?
9. Using the features labeled B in Figure 9.10 as a guide, draw an arrow on the map to indicate the direction of ice movement that occurred in this region.
10. What is the likely location of the outwash plain on the map? Identify and label the area "outwash plain." (Hint: Refer to Figure 9.7.)
11. Label the area covered by ground moraine.
12. What term is applied to the numerous almost circular depressions designated with the letter C?
Chapter 4 Solutions
Earth: An Introduction to Physical Geology
Ch. 4.1 - Prob. 1CCCh. 4.1 - Prob. 2CCCh. 4.1 - Prob. 3CCCh. 4.1 - Prob. 4CCCh. 4.2 - Prob. 1CCCh. 4.2 - Prob. 2CCCh. 4.2 - Prob. 3CCCh. 4.2 - Prob. 4CCCh. 4.3 - Prob. 1CCCh. 4.3 - Prob. 2CC
Ch. 4.3 - Prob. 3CCCh. 4.3 - Prob. 4CCCh. 4.3 - Prob. 5CCCh. 4.4 - Prob. 1CCCh. 4.4 - Prob. 2CCCh. 4.4 - Prob. 3CCCh. 4.4 - Prob. 4CCCh. 4.4 - Prob. 5CCCh. 4.4 - Prob. 1EOECh. 4.4 - Prob. 2EOECh. 4.5 - Prob. 1CCCh. 4.5 - Prob. 2CCCh. 4.5 - Prob. 3CCCh. 4.5 - Prob. 4CCCh. 4.5 - Prob. 1EOECh. 4.5 - Prob. 2EOECh. 4.6 - Prob. 1CCCh. 4.6 - Prob. 2CCCh. 4.6 - Prob. 3CCCh. 4.6 - Prob. 4CCCh. 4.7 - Prob. 1CCCh. 4.7 - Prob. 2CCCh. 4.7 - Prob. 3CCCh. 4.7 - Prob. 4CCCh. 4.7 - Prob. 1EOECh. 4.7 - Prob. 2EOECh. 4.8 - Prob. 1CCCh. 4.8 - Prob. 2CCCh. 4.8 - Prob. 3CCCh. 4.8 - Prob. 1EOECh. 4.8 - Prob. 2EOECh. 4 - Prob. 1GSTCh. 4 - Prob. 2GSTCh. 4 - Prob. 3GSTCh. 4 - Prob. 4GSTCh. 4 - Prob. 5GSTCh. 4 - Prob. 6GSTCh. 4 - Prob. 7GSTCh. 4 - Prob. 8GSTCh. 4 - Prob. 9GSTCh. 4 - Prob. 10GSTCh. 4 - Prob. 11GSTCh. 4 - Prob. 12GST
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