History of the Earth

  • Humans

  • Dinosaurs

  • First hard shelled animals

  • First cells with nucleus

  • Rise in atmospheric oxygen

  • Apex Chert earliest fossils

  • Isua First Sedimentary Evidence for Oceans and Earliest Isotopic Evidence for life

  • Acasta Oldest Rock

  • Oldest Zircon Crystal

    4.4 Billion years old
  • Moon Formation

    Moon Formation
  • Formation of Core

  • Formation of Earth

  • Period: to

    0 to Now