In this presentation , we can have a overview of the geological time scale for the beginners who find it remembering difficult

1. GEOLOGICAL TIME SCALE
KND PRASAD
M.Sc Tech Geophysics
Andhra University
2010-2013

2. EON
ERAERA
PERIOD
EPOCH

3. 0-538 M Y
EONEON
PHANEROZOIC
538-2500 M Y
2500-3800 M YARCHEAN
PROTEROZOIC
3800-4600 M YHADEAN

4. 0-65 M Y
EONERA
CENOZOIC
65-245 M Y
245-538 M YPALEOZOIC
MESOZOIC
538-4600 M YPRECAMBRIAN

5. QUATERNARY
CRETACEOUS
TERTIARY
JURASSIC
0-2 M Y
65-144 M Y
2-65 M Y
144-208 M Y
TRIASSIC
JURASSIC
PERMIAN
CARBONIFEROUS
DEVONIAN
EONPERIOD
208-245 M Y
144-208 M Y
245-286 M Y
286-360 M Y
360-408 M YDEVONIAN
SILURIAN
ORDOVICIAN
CAMBRIAN
360-408 M Y
408-438 M Y
438-505 M Y
505-538 M Y

6. TERTIARY
PALEOGENE
NEOGENE 2-24M Y
24-65M Y
EONPERIOD
CARBONIFEROUS
PALEOGENE
PENNSYLVANIAN
24-65M Y
286-320MY
MISSISSIPPIAN 320-360 M Y

7. HOLOCENE
PLIOCENE
PIESTOCENE 0.011-2 M Y
2-5 M Y
0-0.011 M Y
EONEPOCH
PLIOCENE
OLIGOCENE
MIOCENE
EOCENE
2-5 M Y
24-37 M Y
5-24 M Y
37-58 M Y
PALEOCENE 58-65 M Y