GEOLOGIC TIME WORD PUZZLE

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Across
  1. 4. The Greek word for Epoch
  2. 6. Other term for Proterozoic Eon
  3. 7. Era is also known as ___ in stratigraphy
  4. 10. The earliest iteration of the Earth
  5. 11. An era also known as the Age of Reptiles or Age of the Dinosaurs
Down
  1. 1. Ordering of and analysis of the Earth's layer
  2. 2. Eon is also known as ___ in stratigraphy
  3. 3. Also called a system in stratigraphy
  4. 5. The stratigraphic history of the Earth
  5. 8. An era also known as the Age of Mammals
  6. 9. An era also known as the Age of Invertebrates