Geological Time Exposed

  • 100

    Cambrian Period

    Cambrian Period - part of Paleozoic Era
  • Period: 100 to 500

    Paleozoic Era

  • Period: 500 to Mar 8, 700

    Mesozoic

  • Mar 8, 600

    Jurassic Period

    Part of the Mesozoic Era
  • Mar 8, 700

    Cretaceous Period

    Cretacious Period part of Mesozoic Era
  • Period: Mar 8, 700 to Mar 8, 800

    Cenozoic Era

    Contains Paleogene and Neogene Periods
    70 million years to present.