Geological Time Scale

Random Science or geology Quiz

Can you name the different periods on the geological time scale?

Updated Feb 10, 2014

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Score 0/35 Timer 08:00
Approx. Start
3800 mil. years ago
3600 mil. years ago
3200 mil. years ago
2800 mil. years ago
2500 mil. years ago
2300 mil. years ago
2050 mil. years ago
1800 mil. years ago
1600 mil. years ago
1400 mil. years ago
1200 mil. years ago
1000 mil. years ago
850 mil. years ago
630 mil. years ago
540 mil. years ago
490 mil. years ago
444 mil. years ago
416 mil. years ago
360 mil. years ago
300 mil. years ago
251 mil. years ago
199 mil. years ago
145 mil. years ago
65 mil. years ago
23 mil. years ago
2.5 mil. years ago
Eon
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Era
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Period
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

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