Across
- 4. largest measurement for Geologic time.
- 6. the age of an strata compared to NO other strata.
- 7. states that any rock layer cutting through another is the youngest of them.
- 8. a layer of rock
- 9. states that rock layers will lay on top of an older one. The one above it is younger.
- 10. divides eons into sections based on unique features of that section of time.
Down
- 1. states that when a rock incases a material or another rock, the older one is the incased material.
- 2. a fossil that can be used to determine the age of a strata.
- 3. the age of an object compared to another object or frame of reference.
- 5. The amount of time it takes for an isotope to decay into a daughter product.