Pleistocene Glaciation. 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.

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Presentation transcript:

Pleistocene Glaciation

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

Ice sheet evolution

Ocean sedimentation

Sedimentation

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

Coral bands

Plankton

Pollen (Palynology)

Tree rings (dendrochronolgy)

Vegetation types /fossils 45 million year old Palm

O 18 record

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

Ice core data

Ice layer dating

Vostok ice core data

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