Essentials of Geology (Fifth Edition)
5th Edition
ISBN: 9780393263398
Author: Stephen Marshak
Publisher: W. W. Norton & Company
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Chapter 16, Problem 8RQ
To determine
Whether groundwater is renewable or non-renewable and the consequence of drought or over pumping.
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ACTIVITY 10.4 Unconformities Pg 1721. Label the angular unconformity and disconformity on Figure 10.10.
2. Identify the types of unconformities in Figure 10.11A and Figure 10.11B
ACTIVITY 10.3 Principles of Cross-Cutting and Inclusions Pg 171Figure 10.8 is a geologic cross-section of a hypothetical area. Use it to answer the following questions.
1. Is the igneous intrusion, dike E, older or younger than rock layers A-D?
2. Is fault H older or younger than rock layers A-D?
3. Is fault H older or younger than sedimentary layers F and G?
4. Did fault H occur before or after dike E? Explain how you arrived at your answer.
5. What evidence supports the conclusion that the igneous intrusion labeled sili B is more recent than the rock layers on either side (A and C)?
ACTIVITY 10.5 Applying Relative Dating Principles Pg 173Use Figure 10.12 to complete the following.
1. Identify and label the unconformities in Figure 10.12.
2. Is rock layer I older or younger than layer H? What relative dating principle did you apply to determine your answer?Rock layer I isthan layer H.Relative dating principle:
3. Is fault L older or younger than rock layer D? What principle did you…
ACTIVITY 10.2 Principle of Superposition Pg 170Assume that the playing cards shown in Figure 10.4 are layers of sedimentary rocks viewed from above.
1. In the space provided in Figure 10.4, list the cards by number, according to the order in which they appear to have been laid down. 2,9 4,1 7,3 6,10
2. Were you able to place all of the cards in sequence? Explain.
3. Apply the law of superposition to determine the relative ages of the sedimentary strata labeled A-D in Figure 10.5.
Chapter 16 Solutions
Essentials of Geology (Fifth Edition)
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