Across
- 3. Law that states that any rock or fragment included in another rock the rock inside is older
- 5. law that states that the oldest rocks are on the bottom, and the youngest are on the top.
- 6. gives age in actual years
Down
- 1. law that states that any feature that states through/across a sequence of rock is younger than everything it cuts through.
- 2. The amount of time it takes for half of the remaining isotope to decay to a daughter product
- 4. Age of a rock/fosil compared to others not in years