2.6 Saskatchewan Time Scale

By toddjohnson12
  • 4600 BCE

    Archean

  • 4600 BCE

    Earth is formed

  • 2500 BCE

    Proterozoic

  • 2500 BCE

    Saskatchewan is part of a large ancient continent

  • 2100 BCE

    Break up of the ancient continent, creation of a large ocean

  • 1900 BCE

    Volcanoes in SK

  • 1850 BCE

    Wathaman Batholith

  • 1800 BCE

    Orogeny (mountain building) Trans-Hudson Orogen

    Earth changes from an anoxygenic environment to an oxygenic environment
    Martin Sandstone is deposited with Stromatolites (mounds created by blue
    green algae)
  • 1700 BCE

    Erosion of the mountains

  • 1300 BCE

    Uranium deposited

  • 554 BCE

    Phanerozoic, Paleozoic, Cambrian

  • 544 BCE

    SK covered by the epicontinental Sauk Sea

    Hard shelled invertebrates including Trilobites
  • 489 BCE

    Ordovician

  • 478 BCE

    Meteorite hits SK, leaving behind the Carswell Meteorite Crater

  • 470 BCE

    Tyndall Stone deposited as massive limestone

  • 433 BCE

    Silurian

  • 418 BCE

    Devonian

  • 390 BCE

    Winnipegosis Reefs are deposited, to become a trap for oil deposits

  • 385 BCE

    Potash is deposited in the shallow sea that covers SK

  • 360 BCE

    Carboniferous

  • 355 BCE

    First amphibians

  • 300 BCE

    Permian

  • 253 BCE

    Mesozoic, Triassic

  • 248 BCE

    Mass extinction in the oceans, 90% of the species disappear

  • 245 BCE

    First dinosaurs

  • 220 BCE

    First mammals

  • 213 BCE

    SK is again covered by a shallow sea

  • 200 BCE

    Jurassic

  • 144 BCE

    Cretaceous

  • 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

    Cenozoic, Tertiary, Paleocene

  • 65 BCE

    Extinction of the dinosaurs

  • 55 BCE

    Eocene

  • 50 BCE

    Climate changes, Saskatchewan plateau develops

  • 34 BCE

    Oligocene

  • 23 BCE

    Miocene

  • 5 BCE

    Pliocene

  • 2 BCE

    Quaternary, Pleistocene

  • 2 BCE

    Ice age begins, covering SK except for the Cypress Hills area Diamonds covered by glacial till

  • 1 BCE

    Holocene

  • 1 BCE

    Bison come to North America

  • Humans come to North America

  • Origin of the Prairies

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