The rock record and time

1. The rock record and the geological time scale

2. Metamorphic rocks

3. Section through a continent

4. Temperature and pressure

5. Isogrades

6. Rocktypes

7. Facies

8. P-T-t paths

9. Time required

10. Historical records

11. Stratification

12. Fossil record

13. Unconformity I

14. Angular unconformity

15. Unconformity II

16. South rim of the Grand Canyon

17. Cross cutting relationships

18. Sequence stratigraphy

19. Cross section I

20. Cross section II

21. Cross section III

22. Cross section IV

23. Cross section V

24. Cross section VI

25. Geologic time I

26. Geologic time II

27. The geologic time scale

28. Absolute age dating

29. Major radioactive isotopes

30. Geological time line of Earth's history