Saskatchewan's History

  • 4600 BCE

    Earth is formed

    Archean eon
  • 2500 BCE

    Saskatchewan is part of a large ancient continent

    Proterozoic eon
  • 2100 BCE

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

    Proterozoic eon
  • 1900 BCE

    Volcanoes in Saskatchewan

    Proterozoic eon
  • 1850 BCE

    Wathaman Batholith

    Proterozoic eon
  • 1800 BCE

    Orogeny Trans-Hudson Orogen

    Earth chances from an anoxygenic environment to an oxygenic environment
  • 1800 BCE

    Martin Sandstone is deposited with Stromatolites

    Proterozoic eon
  • 1700 BCE

    Erosion of the mountains

    Proterozoic eon
  • 1300 BCE

    Uranium deposited

    Proterozoic eon
  • 544 BCE

    Saskatchewan covered by the epicontinental Sauk Sea

    Phanerozoic eon, paleozoic era, cambrian period
  • 544 BCE

    Hard shelled invertebrates including Trilobites

    Phanerozoic eon, paleozoic era, cambrian period
  • 478 BCE

    Meteorite hits Saskatchewan, leaving behind the Carswell Meteorite Crater

    Ordovician period
  • 470 BCE

    Tyndall stone deposited as massive limestone

    Ordovician period
  • 390 BCE

    Winnipegosis reefs are deposited, later to become a trap for oil deposits

    Carboniferous period
  • 385 BCE

    Potash is deposited in the shallow sea that covers SK

    Carboniferous period
  • 355 BCE

    First amphibians

    Carboniferous period
  • 248 BCE

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

    Mesozoic era, triassic period
  • 245 BCE

    First dinosaurs

    Mesozoic era, triassic period
  • 220 BCE

    First mammals

    Jurassic period
  • 213 BCE

    Sk is again covered by a shallow sea

    Jurassic period
  • 100 BCE

    Diamonds are brought to the surface of SK in volcanic pipes

    Cenozoic era, tertiary period, paleocene epoch
  • 75 BCE

    Shallow sea begins to retreat

    Cenozoic era, tertiary period, paleocene epoch
  • 70 BCE

    Swamps, rivers, and lakes form the badlands

    Cenozoic era, tertiary period, paleocene epoch
  • 70 BCE

    Lignite is formed from the plants deposited in swamps.

    Cenozoic era, tertiary period, paleocene epoch
  • 66 BCE

    Triceratops roam Saskatchewan

    Cenozoic era, tertiary period, paleocene epoch
  • 65 BCE

    Extinction of the dinosaurs

    Cenozoic era, tertiary period, paleocene epoch
  • 50 BCE

    Climate changes, Saskatchewan plateau develops

    Eocene epoch
  • 2 BCE

    Ice age begins, covering SK except for the Cypress Hills area

    Pilocene epoch
  • 2 BCE

    Diamonds covered by glacial till

    Quaternary period, pleistocene epoch