Geologic History of New York State
Across
- 4. The period during which a Coelophysis fossil could be found.
- 5. The eon that we are currently living in.
- 7. The period that took place between 359 and 416 million years ago. There was an abundance of fish during this time period.
- 8. The eon during the early portion of it saw evidence of biological carbon and the oldest known rocks
- 10. The era that has the Quaternary, Neogene, and Paleogene periods in it
- 11. The period that saw the earliest insects.
- 12. The period that took place 23.0 - 1.8 million years ago
Down
- 1. The eon that can be further divided into the Archean and Proterozoic eons
- 2. The period when mammoths first emerged
- 3. The era that took place 250 to 500 million years ago.
- 5. The period that contained the Oligocene, Eocene, and paleocene epichs.
- 6. The period that was dominated by invertebrates and coral reefs. This period took place between 444 and 488 million years ago.
- 9. The period that saw the earliest birds and an abundance of dinosaurs.