Saskatchewan Time Scale

By holly.bayliss
  • 4600 BCE

    Earth is formed

  • 2500 BCE

    Saskatchewan is a part of a large ancient continent

  • 2100 BCE

    Break up of the ancient continent

  • 2100 BCE

    Creation of a large ocean

  • 1900 BCE

    Volcanoes in Saskatchewan

  • 1850 BCE

    Wathaman Batholith (an intrusion of magma under the surface)

  • 1800 BCE

    Orogeny (mountain building)

    Trans- Hudson Orogen. Earth changes from an anoxygenic enviroment to an oxygenic enviroment. Martin sandstone is deposited with Stromatolites (mounds created by blue green algae)
  • 1700 BCE

    Erosion of the mountains

  • 1300 BCE

    Uranium deposited

  • 544 BCE

    SK covered by epicontinental Sauk Sea

    hard shelled invertebrates including trilobites
  • 478 BCE

    Meteorite hits SK

    This leaves behind the Carswell Meteorite Crater
  • 470 BCE

    Tyndall Stone deposited as massive limestone

  • 390 BCE

    Winnipegosis Reefs are deposited

    These later become a trap for oil deposits
  • 385 BCE

    Potash is deposited in the shallow sea that covers SK

  • 355 BCE

    First Amphibians

  • 248 BCE

    Mass extinction in the oceans

    90% of species disappear
  • 245 BCE

    First dinosaurs

  • 220 BCE

    First Mammals

  • 213 BCE

    SK is covered by a shallow sea

  • 100 BCE

    Diamonds are brought to the surface of SK in volcanic pipes

  • 75 BCE

    Shallow sea begins to retreat

  • 70 BCE

    swamps, rivers and lakes form the badlands

    lignite (brown coal) is formed from the plants deposited in swamps
  • 66 BCE

    Triceratops roam SK

  • 65 BCE

    Extinction of the dinosaurs

  • 50 BCE

    Climate changes, Saskatchewan plateau develops

  • 1 CE

    The ones that do not work on this website.

    This includes 0.05 bison come to North America, 0.02 humans come to North America and 0.01 Origin of the prairies.
  • 2

    ice age begins, covering SK except for the cypress hills area

    diamonds covered by glacial till

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