GEOLOGIC TIME (CHAPTER 18):
- Describe absolute and relative age of a geologic event: distinguish between numerical ages and relative ages
- List and describe the principles or rules used for relative dating:
- Principle of Superposition
- Principle of Original Horizontality
- Principle of Cross-cutting Relationships
- Principle of inclusions
- What is the significance of an unconformity?
- Describe and identify the different unconformities (gaps in the rock record): Angular Unconformity, Nonconformity and
- Explain how is determined the absolute age of a rock: What are isotopes? What is Half Life?
- Exercises from handouts: know how to calculate the absolute age of a rock