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Amu Scin138 Lab 9 Essay

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Lab Lesson 9: Geologic Time (p.203) due end of week 3

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Part 1 of 1 - 100.0/ 100.0 Points

Question 1 of 31 3.0/ 3.0 Points

Questions 1 through 3 are based on the Lab Exercise, Step 2.

Record your answer to Lab Exercise, Step 2, Question 11. How long ago was the igneous rock in rock unit B formed?

A. 352 mya

B. 380 mya

C. 704 mya

D. 1408 mya

Answer Key: A
Question 2 of 31 3.0/ 3.0 Points

Record your answer to Lab Exercise, Step 2, Question 12. How long ago was the igneous rock in rock unit C formed?

A. 70.4 mya

B. 140.8 mya

C. 352 mya

D. 704 mya

Answer Key: B
Question 3 of …show more content…

Principle of Original Horizontality

C. Principle of Superposition

D. Principle of Vertical Continuity

Answer Key: D
Question 15 of 31 3.0/ 3.0 Points

Questions 4 through 8 are based on Figure 9.17 on page 208 of your lab book.

Determine the relative age each of the geologic structures shown in the geologic cross section below (Figure 9.17) from youngest to oldest; then answer the questions below. As before, a wiggly line running across the geologic cross section indicates an unconformity and a fault is indicated with a bold straight line.

Which is the youngest geologic structure in Figure 9.17?

A. E B. A C. B D. D

Answer Key: B
Question 16 of 31 3.0/ 3.0 Points

Which is the oldest geologic structure in Figure 9.17? A. A B. C C. F D. D

Answer Key: D
Question 17 of 31 3.0/ 3.0 Points

Which letter represents an unconformity in Figure 9.17? A. A B. C C. E D. F

Answer Key: C
Question 18 of 31 3.0/ 3.0 Points

Which letter represents a fault in Figure 9.17? A. A B. C C. E D. F

Answer Key: D
Feedback: F
Question 19 of 31 3.0/ 3.0 Points

What is the proper order of geologic structures B, C, D, and F in Figure 9.17 from oldest to youngest? A. F, B, C, D

B. D, C, B, F

C. D, F, B, C

D. B, C, F,

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