Geologic Time Scale Crossword

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Across
  1. 4. / of a geologic era within the phanerozoic eon that comprises the triassic, jurassic, and cretaceous periods
  2. 6. / of a geologic era within the proterozoic eon; comprises the tonian, cryogenian and ediacaran periods
  3. 10. / of or from the geologic strata above the permian and below the jurassic
  4. 11. / of a geologic time period within the cenozoic era; comprises the miocene, pliocene, phleistocene and holocene epochs
  5. 12. / of a geologic period within the paleozoic era; comprises the lower, middle, and upper mississippian and lower, middle, and upper pennsylvanian epochs
  6. 13. / of a geologic period within the paleozoic era; comprises lower, middle, and upper epochs
  7. 14. / pertaining to the second period of the mesozoic era, a time still dominated by the dinosaurs
  8. 16. / the geologic period within the mesozoic era that comprises lower and upper epochs
  9. 17. / of or relating to the geologic eon from about 570 MYA to present; comprises the paleozoic, mesozoic, and cenozoic eras
Down
  1. 1. / of a geologic period within the cenozoic era; comprises the paleocene, eocene, and oligocene epochs
  2. 2. / of or relating to the geologic eon from about 2,500 to 570 MYA
  3. 3. / a system of chronological measurement that describes the timing and relationships between events throughout earth's history
  4. 5. / of a geologic period within the paleozoic era; comprises lower, middle, and upper epochs
  5. 7. / commonly used word for a long period of time
  6. 8. / of a geologic period within the neoproterozoic era from about 850 to 600 MYA
  7. 9. / relating to the eons before the phanerozoic
  8. 15. / of a geologic period within the paleozoic era; comprises the cisuralian, guadalupian, and lopingian epochs