Saskatchewan Time Scale

By justicebrie12345
  • Period: 5 BCE to 2 BCE

    Bison come to north america

  • Period: 2 BCE to 1 BCE

    Humans come to north america

  • Period: 1 BCE to 1 BCE

    origin of the praries

  • Period: 2 to 5 BCE

    Ice age begins

  • Period: 50 to 2

    Climate changes, Sk plateau develops

  • Period: 65 to 50

    Extinction of the dinosaurs

  • Period: 66 to 65

    Triceratops roam SK

  • Period: 70 to 66

    Swamps, rivers, and lakes form the badlands

  • Period: 75 to 70

    Shallow sea begins to retreat

  • Period: 100 to 75

    Diamonds are brought to the surface of SK in volcanic pipes

  • Period: 213 to 100

    SK is again covered by a shallow sea

  • Period: 220 to 213

    First Mammals

  • Period: 245 to 220

    First Dinosaurs

  • Period: 248 to 245

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

  • Period: 355 to 248

    First amphibians

  • Period: 385 to 355

    Potash is deposited in the shallow sea that covers SK

  • Period: 390 to 385

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

  • Period: 470 to 390

    Tyndall Stone deposited as massive limestone

  • Period: 478 to 470

    Meteorite hits SK, leaving behind the Carswell Meteorite Crater

  • Period: 544 to 478

    Sk covered by the epicontinental Sauk Sea Hard Shelled invertabrates including Trilobites

  • Period: 1300 to 544

    Uranium Deposited

  • Period: to 1300

    Erosion of the mountains

  • Period: to

    Orogeny (mountain building) Trans-Hudson Orogen

  • Period: to

    Wathaman Batholith (an intrusion of magma under the surface)

  • Period: to

    Volcanoes in SK

  • Period: to

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

  • Period: to

    Saskatchewan is part of large ancient continent

  • Period: to

    Earth is formed