The Geological Time Period

  • Precambian

    Appalachian mountains are created because of the collisions of tectonic plates and savannah's form.
  • Period: to

    R P3

    Geological Timeline
  • Proterozoic Eon

    First soft body animals appear
  • Achean Eon

    First unicellular organisms appear
  • Hadean Eon

    Oldest rock forms as Earth cools.
  • Paleozoic Eon

    Lasted for 2812 million years
  • Permian

    First amphibians appear.
  • Carboniferous

    First land plants and jawed fish appear.
  • Devonian

    Age of fishes
  • Silurian

    First fungi appear
  • Ordovician

    Multiceullar life appears.
  • Mesozoic

    Age of the Reptiles
  • Cretaceous

    Extinction of the Dinosuars
  • Jurassic

    Reptile are dominate.
  • Triassic

    First Dinosaurs appear.
  • Miocene

    Mammels are dominant
  • Tertiary

    this period comes into play
  • Oligocene

    Oligocene extinction
  • Eocene

    Large mammals appear
  • Paleocene

    Earth looks closer to present day,and plants appear.
  • Quaternary

    Start of the period.
  • Anthropocene

    Ice Age ends. Also, Human develops.
  • Holocene

    Earliest Humans appear
  • Pleistocene

    Hominids first appear.