Saskatchewan Timeline

  • 4600 BCE

    4600 Earth is formed

  • Period: 4600 BCE to 100

    Saskatchewan Timeline

    This timeline is in Millions
  • 2500 BCE

    2500 Saskatchewan is part of a large ancient continent

  • 1900 BCE

    1900 Volcanoes in SK

  • 1850 BCE

    1850 Wathaman Batholith (an intrusion of magma under the surface)

  • 1800 BCE

    1800 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

    1700 Erosion of the mountains

  • 1300 BCE

    1300 Uranium deposited

  • 544 BCE

    544 SK covered by the epicontinental Sauk Sea Hard shelled invertebrates including Trilobites

  • 478 BCE

    478 Meteorite hits SK, leaving behind the Carswell Meteorite Crater

  • 470 BCE

    470 Tyndall Stone deposited as massive limestone

  • 390 BCE

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

  • 385 BCE

    385 Potash is deposited in the shallow sea that covers SK

  • 355 BCE

    355 First amphibians

  • 248 BCE

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

  • 245 BCE

    245 First dinosaurs

  • 220 BCE

    220 First mammals

  • 213 BCE

    213 SK is again covered by a shallow sea

  • 100 BCE

    100 Diamonds are brought to the surface of SK in volcanic pipes

  • 75 BCE

    75 Shallow sea begins to retreat

  • 70 BCE

    70 Swamps. rivers and lakes form the badlands. Lignite (brown coal) is formed from the plants deposited in swamps.

  • 66 BCE

    66 Triceratops roam SK

  • 65 BCE

    65 Extinction of the dinosaurs

  • 50 BCE

    50 Climate changes, Saskatchewan plateau develops.

  • 2 BCE

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

  • 1 CE

    .05 Bison come to North America

  • 2

    .02 Humans come to North America

  • 5

    .01 Origin of the Prairies