time of periods Flashcards
1
Q
precambrian
A
541-4600 mya
2
Q
proterozoic
A
541-2500 mya
3
Q
archean
A
2500-4000
4
Q
neo-proterozoic
A
541-1000 mya
5
Q
meso-proterzoic
A
1000-1600 mya
6
Q
paleo-proterozoic
A
1600-2500 mya
7
Q
ediacaran
A
541-635 mya
8
Q
cryogenian
A
635-720 mya
9
Q
tonian
A
720-1000 mya
10
Q
stenian
A
1000-1200 mya
11
Q
ectasian
A
1200-1400 mya
12
Q
calymmian
A
1400-1600 mya
13
Q
statherian
A
1600-1800 mya
14
Q
orosirian
A
1800-2050 mya
15
Q
rhyacian
A
2050-2300
