1. Fossils & Geologic Time
Ch 8 Review
Fossils & Geologic Time

2. What is the difference between absolute and relative age?

3. Define: Law of Superposition

4. Define: Law of Original Horizontality

5. What is a half-life?

6. What does carbon-14 decay into?

7. What age range is C-14 good for?

8. What are index fossils?

9. Describe this process of fossilization:

10. Describe this process of fossilization:

11. Describe this process of fossilization:

12. Describe this process of fossilization:

13. Describe this process of fossilization

14. Describe this process of fossilization:

15. Label the Sections: Which is the… Angular Unconformity? Conformity?D
Which is the…
Angular Unconformity? Conformity?
Disconformity? Nonconformity?

16. Order and Description

17. Which would be the best index fossil for layer 3 below? _____ Why?

18. Number the layers/structures in order of occurrence - (1-first, 8-last)

19. Correlate