Brendan Anderson Timeline

Timeline created by anderbre10
  • 4,500 BCE

    4.5 billion years ago

    4.5 billion years ago
    comets are forming earth
    earth is molten, about 8000 degrees
  • 4,400 BCE

    4.4 billion years ago

    4.4 billion years ago
    earth started to cool and solidify.
    water began to form
  • 4,000 BCE

    4 billion years ago

    4 billion years ago
    earth is covered in water vapor. 90 percent water. small volcanic islands. the oceans were green do to a surplus of iron. the atmosphere was thick with carbon dioxide, making the air thick and red.
  • 3,400 BCE

    3.4 billion years ago

    3.4 billion years ago
    oceans dominated, granite appears from basil and saltwater, continents begin to form.
  • 2,500 BCE

    2.5 billion years ago

    2.5 billion years ago
    granite planet-stromatolite continents are everywhere
  • 1,000 BCE

    1.5 billion years ago

    1.5 billion years ago
    blue planet
    oxygen is in the water which oxidized out the iron
    continents are moving
  • 1,000 BCE

    1 billion years ago

    1 billion years ago
    rodinia is formed over the south pole blocking the currents
  • -550 BCE

    Cambrian (Paleozoic Era)

    Cambrian (Paleozoic Era)
    Ice starts to melt, rodinia breaks apart, ozone begins to form causing the start of marine life.
  • -485 BCE

    Ordovician (485 MYA)

    Ordovician (485 MYA)
    marine life continues to grow
  • -443 BCE

    Silurian (443 MYA)

    Silurian (443 MYA)
    Continental landmasses were low and sea levels were rising
  • -419 BCE

    Devonian (419 MYA)

    Devonian (419 MYA)
    Ozone becomes fully formed
  • -358 BCE

    Carboniferous (358 MYA)

    Carboniferous (358 MYA)
    Consists of many swampy forests of which produced coal.
  • -298 BCE

    Permian (298 MYA)

    Permian (298 MYA)
    Animals are able to come onto land. pangaea is forming, land consists of many tropical swamps
  • -251 BCE

    Triassic (251 MYA)

    Triassic (251 MYA)
    volcanic eruptions happen at a global level, 95% of species have gone extinct, pangaea is formed, oxygen levels increase, and dinosaurs evolve.
  • -201 BCE

    Jurassic (201 MYA)

    Jurassic (201 MYA)
    volcanic activity breaks up pangaea, high carbon dioxide levels warm up the planet, tropical forests become dominant, oxygen levels high.
  • -145 BCE

    Cretaceous (145 MYA ended with a mass extinction 65 MYA)

    Cretaceous (145 MYA ended with a mass extinction 65 MYA)
    pangaea splits apart, dinosaurs rule the earth
    65 mya- meteor impacts earth, making the dinosaurs go extinct.
  • -65 BCE

    Tertiary (65 MYA)

    Tertiary (65 MYA)
    mammals dominate, the swiss alps and himalayas form from colliding continents.
  • -2 BCE

    Quaternary (2.6 MYA)

    Quaternary (2.6 MYA)
    grand canyon is formed
    ice ages begin forming because land badge blicks warm water currents