EARTH: AN INTRODUCTION TO PHYSICAL GEOLOGY

Chapter 21: Energy and Mineral Resources

Concept #2 Quiz

Choose the best possible answer to the following questions about Key Concept 2 "Energy resources: 'Fossil fuels'."

galena_cleav_tarbuck_rshad.jpg

Galena: an ore of lead

1. Fossil fuels are those that form from the ___________. [Hint]

2. Why are “coal” and “petroleum” products considered to be “fossil fuels”? [Hint]

3. Which of the following accounts for the majority of the coal burned annually in the United States?  

4. Oil and gas become “trapped” in which of the following due to buoyancy?  

5.

Match the type of oil and gas trap with its description:  

Using the pulldown boxes, match each item on the left to the corresponding item at right.

A. a sloping bed of reservoir rock thins to the point of disappearance
B. risen blobs and columns of rock deform the rock around by “poking” it upward causing oil and gas to migrate there
C. where dipping reservoir rock is brought into position opposite an impermeable bed, trapping oil and gas at the interface
D. an uparched series of sedimentary strata cause oil and gas to migrate to the center
 

6.

The diagrams are of "oil and gas traps." The top left one is an "anticlinal" trap (see next question). Match the labels on the diagrams with the appropriate description:  

For each item below, use the pull-down menu to select the letter that labels the correct part of the image.

The letters A through G appear on an image associated with this question.

7.

Identify the elements of the illustrated anticlinal oil trap by selecting the correct response.  

For each item below, use the pull-down menu to select the letter that labels the correct part of the image.

The letters A through D appear on an image associated with this question.

8.

Match the type of oil and gas trap with the description of its formation:  

Using the pulldown boxes, match each item on the left to the corresponding item at right.

A. bent strata
B. forms primarily from the original pattern of sedimentation, rather than structural deformation
C. when strata are displaced in such a manner as to bring a reservoir rock in contact with a cap rock
D. low-density rock at great depth forces its way upward through rocks, deforming them in a “poking” fashion
 

9. Why is it that the country of Saudi Arabia is the largest current producer of crude oil? [Hint]

10. Relative to shale, sandstone is a much more common reservoir rock for petroleum because of which of the following? [Hint]

11. Which of the following is most likely correct?  

12.

Identify the North American source of each of the indicated resources by selecting the correct response.  

For each item below, use the pull-down menu to select the letter that labels the correct part of the image.

The letters A through C appear on an image associated with this question.

Answer choices in this exercise are randomized and will appear in a different order each time the page is loaded.
 




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