Geological Timescale

Earth is formed

Jan 1, 2015

stuff

Precambrian

Period: Jan 1, 2015 to Nov 16, 2015

Atmosphere forms

Jan 28, 2015

[stuff](en.wikipedia.org/wiki/Precambrian )

Oxygen becomes more prominent

Mar 25, 2015

stuff

Oceans form

May 25, 2015

stuff

Early Life Forms Start

Sep 25, 2015

stuff

Supercontinent Rodinia

Nov 17, 2015

stuff The supercontinent Rodinia broke up, splintering into smaller continents.

Paleozoic

Period: Nov 17, 2015 to Dec 12, 2015

Life evolved and diversified

Nov 22, 2015

stuff Life evolved and diversified greatly, in an event called the Cambrian Explosion. Invertebrates and the first shelled animals evolved at this time.

Abundance of marine invertebrates

Nov 24, 2015

Pangaea begins to split apart

Dec 13, 2015

[stuff](en.wikipedia.org/wiki/Mesozoic) Towards the end of the Triassic, Pangaea began to split apart,with Africa slowly moving from the Americas.

Mesozoic

Period: Dec 13, 2015 to Dec 28, 2015

The first dinosaurs

Dec 14, 2015

stuff The first dinosaurs and mammals evolved at this time.

New oceans appeared

Dec 15, 2015

stuff

a Great variety in the kinds of dinosaurs

Dec 16, 2015

stuff

Cenozoic

Period: Dec 29, 2015 to Dec 31, 2015

Christmas break ends

Dec 31, 2015

stuff