Geological Time Pre Cambrian and Palaezoic Flashcards
Timescales of Geological Periods
1
Q
Pre-Cambrian
A
4,600 - 600 Million
2
Q
Cambrian
A
600 - 500 Million
3
Q
Ordovician
A
500 - 440 Million
4
Q
Silurian
A
440 - 395 Million
5
Q
Devonian
A
395 - 345 Million
6
Q
Carboniferous
A
345 - 280 Million
7
Q
Permian
A
280 - 225 Million