1. Pleistocene Glaciation

2. Eon Phanerozoic 0-544 Myr Era cenozoic 0-65 Myr Mesozoic 65-251 Myr Paleozoic 251-544 Myr Period Quarternary 0-1.8 My Tertiary 1.8-65 Myr Cretaceous 65-144Myr Jurassic 144-206 Myr Triassic 206-251 Myr Epoch Holocene 0-10,000 yr Pleistocene.01-1.8 Myr Geologic Time Eon Era Period Epoch Know each for when we live.

3. Ice sheet evolution

4. Ocean sedimentation

5. Sedimentation

6. Paleoclimate indicators (Proxy data) Ice layers Ocean sediments Coral Bands Tree rings

7. Coral bands

8. Plankton

9. Pollen (Palynology)

10. Tree rings (dendrochronolgy)

11. Vegetation types /fossils 45 million year old Palm

12. O 18 record

13. Colder climates more 18 O in deep ocean (less is snow or ice cores)

14. Ice core data

15. Ice layer dating

16. Vostok ice core data