EARTH: AN INTRODUCTION TO PHYSICAL GEOLOGY

Chapter 7: Sedimentary Rocks

Concept #1 Quiz

Choose the best possible answer to the following questions about Key Concept 1 "Formation of sedimentary rocks: Diagenesis and lithification of sediment."

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1. If sedimentary rocks account for only about 5% of the Earth’s top 10 km, which one of the following is NOT a reason why sedimentary rocks are still considered “important”?  

2. Which of the following lists the correct sequence in the formation of a sedimentary rock?  

3.  

4. Which one of the following is NOT considered a physical process of diagenesis?  

5. How does burial of sediment promote diagenesis as sediment converts to rock?  

6.

Match each of the following sediments with the most likely method of lithification.  

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

A. cementation
B. compaction
C. recrystallization
 [Hint]
 [Hint]
 [Hint]
 

7. Which type of sedimentary rock is NOT formed by either compaction or cementation?  

8. What are terms for the two principal sources of sediment that produce the two principal types of sedimentary rocks?  

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




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