-
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