Geological History and the geographies Flashcards
What 3 eras are there
- Cenozoic
- Mesozoic
- Paleozoic
Which periods are in the Cenozoic (3)
- Quaternary
- Neogene
- Paleogene
What is the Cenozoic’s age called
The age of the mammals
What is the info for the Cenozoic era
Whales took over the sea, saber tooth tigers and elephants shared the land sloths and humans appeared.
Which periods were in the Mesozoic era. (3)
- Cretaceous
- Jurassic
- Triassic
What is the info for the Mesozoic era
Continents were jammed together called the super continent. Warmer, seasons mild, sea level higher and no polar ice.
What periods were in the Paleozoic era (6)
- Permian
- Carboniferous
- Devonian
- Silurian
- Ordovician
What is the info for the Paleozoic era
Ends with a mass extinction (volcanic eruption)
Lush forests covered Earth.
Reptiles and giant insects roamed the land
Ends with an ice age
MYA for Quaternary
2.6 million
MYA for Neogene
23 million
MYA for Paleogene
66 million
MYA for Cretaceous
145 million
MYA for Jurassic
200 million
MYA for Triassic
250 million
MYA for Permian
290 million