Pleistocene Glaciation

Eon Phanerozoic0-544 Myr

Era cenozoic0-65 Myr

Mesozoic65-251 Myr

Paleozoic251-544 Myr

Period

Quarternary 0-1.8 MyTertiary 1.8-65 Myr

Cretaceous 65-144MyrJurassic 144-206 MyrTriassic 206-251 Myr

Epoch

Holocene 0-10,000 yrPleistocene .01-1.8 Myr

Geologic TimeEon Era Period EpochKnow each for when we live.

Ice sheet evolution

Ocean sedimentation

Sedimentation

Paleoclimate indicators (Proxy data)

Ice layers Ocean sediments

Coral BandsTree rings

Coral bands

Plankton

Pollen (Palynology)

Tree rings (dendrochronolgy)

Vegetation types /fossils

45 million year old Palm

O18 record

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

Ice core data

Ice layer dating

Vostok ice core data