Geologic Time Scale

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Across
  1. 4. Fossils
  2. 6. Superposition
  3. 7. Absolute-age
  4. 9. Relative-age
Down
  1. 1. Inclusions
  2. 2. Crosscutting
  3. 3. Half-life
  4. 5. Inertia
  5. 8. Age
  6. 10. Time