Class Notes: Updated Geological Time Scale Flashcards
1
Q
When was the Hadean?
A
4550 Mya
2
Q
When was the Archean?
A
3800 Mya
3
Q
When was the Proterozoic?
A
2500 Mya
4
Q
When was the Phanerozoic?
A
572 Mya
5
Q
When was the Palaeozoic?
A
251 Mya
6
Q
When was the Mesozoic?
A
65 Mya
7
Q
When was the Cenozoic?
A
0-now
8
Q
When was the Devonian?
A
400-360 Mya
9
Q
What are the periods of the Cenozoic era?
A
- Tertiary
- Quaternary
10
Q
What are the periods of the Mesozoic era?
A
- Triassic
- Jurassic
- Cretaceous
11
Q
What are the periods of the Palaeozoic?
A
- Cambrian
- Ordocivian
- Silurian
- Devonian
- Carboniferous
- Permian
12
Q
What is the period of the Proterozoic?
A
Ediacaron
13
Q
When was the Ediacaron period?
A
635 Mya
14
Q
What are the periods from oldest to youngest?
A
Cambrian, Ordovician, Silurian, Devonian, Carboniferous, Permian, Triassic, Jurassic, Cretaceous, Tertiary, Quaternary
