Geological time scale

By Cfitzgibbon1

  • 65,000,000

    Dinosaurs became extinct

  • 80,000,000 years ago

    Rocky Mountains form

  • 0 years ago

    Present

  • 10,000 years ago

    Modern humans

  • 1,100,000 years ago

    Worldwide glaciations

  • 1,500,000 years ago

    Link of North and South America.

  • 3,000,000 years ago

    Australopithecus

  • 15,000,000 years ago

    Formations of the Himalayan mountains

  • 25,000,000

    First evidence of ice at the poles

  • 50,000,000

    Seperation of Australia from Antarctica.

  • 60,000,000

    Early primates

  • 140,000,000 years ago

    Cretaceous period

  • 150,000,000 years ago

    Early flowering plants

  • 180,000,000 years ago

    Early birds and mammals.

  • 208,000,000 years ago

    Jurassic period begins

  • 220,000,000 years ago

    Opening of Atlantic Ocean.

  • 245,000,000 years ago

    Triassic period begins.

  • 280,000,000 years ago

    Beginning of Permian time

  • 325,000,000 years ago

    First reptiles.

  • 363,000,000 years ago

    Early trees and formation of coal deposits.

  • 409,000,000 years ago

    Beginning of Devonian time

  • 430,000,000 years ago

    Early land plants

  • 490,000,000 years ago

    Early fish.

  • 510,000,000 years ago

    Beginning of Ordovician time.

  • 570,000,000 years ago

    Early shelled organisms.

  • 700,000,000 years ago

    Early multicellular organisms

  • 800,000,000 years ago

    Break up of early super-continent.

  • 1,200,000,000 years ago

    First known animals.

  • 1,400,000,000 years ago

    Formation of early supercontinental

  • 2,500,000,000 years ago

    Beginning of proterozoic eon 'earlier life'.

  • 2,700,000,000 years ago

    Build up of free oxygen in atmosphere

  • 3,400,000,000 years ago

    Early bacteria and algae.

  • 3,800,000,000 years ago

    Oldest known earth rocks.

  • 4,000,000,000 years ago

    Beginning of archeon eon.

  • 4,600,000,000 years ago

    Origin of earth.