Across
- 3. Time period that ended Pangea
- 4. a type of dating process used to find different ages of rocks
- 7. Largest time period ever recorded
- 9. type of dating that finds exact years
- 10. Current time period
Down
- 1. the decay of isotopes into their daughter form
- 2. new rocks are on top of older ones
- 5. Earliest Time Period
- 6. time period where rocks formed
- 8. remains of ancient creatures