Geologic Time

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Across
  1. 3. the layer that is cut is older than the two layers that cut it
  2. 4. The law that states that any rock fragment that is included must be older than the rock they are included in
  3. 7. The age of a rock compared to other layers
  4. 9. The exact age of a rock in years
  5. 10. A fossil used to find the relaSuperpositionock
Down
  1. 1. the law that older layers are under younger layers
  2. 2. The study of fossils
  3. 5. The study of the earth's surface
  4. 6. a break in the earths surface
  5. 8. The predictable time an element takes to decay