Geologic Time line

By Reid-01
  • Period: 100 to 1 CE

    Cenozoic Era- 100 MYA- .01 MYA

    100 MYA- diamonds are brought to earth by volcanic pipes
    75 MYA- shallow sea retreats
    70 MYA- Swamps Rivers and lakes form badlands, brown coal from plants in swamps
    66 MYA- Tricaretops roam Sask
    65 MYA- Extinction of dinosaurs
    50 MYA- Climate changes, Saskatchewan Plateu develops
    2 MYA- ice age begins covering sask except cypress hills, diamonds covered by glacial till,
    .05 MYA- Bison come to North America
    .02 MYA- Humans come to North America
    .01 MYA- origin of the praries
  • Period: 248 to 213

    Mesozoic Era- 248 MYA- 213 MYA

    248 MYA- Mass extinction in the oceans, 90% of species dissapear
    245 MYA- first Dinosaurs
    220 MYA- First mammals
    213 MYA- Sask covered by shallow sea
  • Period: 478 to 355

    Paleozoic Era- 478 MYA- 355 MYA

    478 MYA- meteorite hits Sask leaving behind carswell metorite crater
    470 MYA- Tyndall stone deposited as massive limestones
    390 MYA- Winnippegosis Reef are deposited
    385 MYA- potash deposited
    355 MYA- first amphibians
  • Period: to 544

    Paleozoic Era- 2100-544 Million Years ago

    2100 MYA- Break up of the ancient continent, creation of large oceans
    1900 MYA-Volcanoes in sask
    1850 MYA-Wathaman Batholith, an intrusion of magma under the surface
    1800MYA- mountain building, earth changes from anoxygenic enviroment to oxygenic, mounds created by green algae
    1700 MYA-Erosion of mountains
    1300 MYA- uranium deposited
    544 MYA- Sask covered by the epicont inent al Sauk sea, Hard shelled invertibrates
  • Period: to

    Archean Eon - Proterozoic Eon- 4600-2500 million years ago

    4600 MYA- Earth is formed
    2500 MYA-saskatchewan is part of a large ancient continent