-
4600 BCE
Eon: Archean
Earth is formed -
2500 BCE
Eon: Proterozoic
Saskatchewan is part of a large continent -
2100 BCE
Eon: Proterozoic
Break up of the ancient continent, creation of a large ocean -
1900 BCE
Eon: Proterozoic
Volcanoes in Saskatchewan -
1850 BCE
Eon: Proterozoic
Wathaman Batholith -
1800 BCE
Eon: Proterozoic
Orogeny Trans-Hudson Orogen
Earth changes from anoxygenic environment to an oxygenic environment
Martin Sandstone is deposited wiith Stromatolites -
1700 BCE
Eon: Proterozoic
Erosion of the mountains -
1300 BCE
Eon: Proterozoic
Uranium deposited -
544 BCE
Eon: Pahnerozoic Era: Paleozoic Period: Cambrian
Saskatchewan covered by the epicontinental Sauk Sea
Hard shelled invertebrates including Trilobites -
489 BCE
Period: Ordovician
Beginning of Ordovician period -
478 BCE
Period: Ordovician
Meteorite hits Saskatchewan, leaving behind the Carswell Meteorite Crater -
470 BCE
Period: Ordovician
Tyndall Stone deposited in the shallow sea that covers Saskatchewan -
433 BCE
Period: Silurian
The beginning of the Silurian Period -
418 BCE
Period: Devonian
The beginning of the Devonian period -
390 BCE
Period: Devonian
Winnipegosis Reefs are deposited, later to become a trap for oil deposits -
385 BCE
Period: Devonian
Potash is deposited in the shallow sea that covers Saskatchewan -
360 BCE
Period: Carboniferous
The beginning of the Carboniferous period -
355 BCE
Period: Carboniferous
First amphibians -
300 BCE
Period: Permian
The beginning of the Permian period -
253 BCE
Era: Mesozoic Period: Triassic
The beginning of the Mesozoic era and Triassic period. -
248 BCE
Era: Mesozoic Period: Triassic
Mass extinction in the oceans, 90% of species disappear -
245 BCE
Era: Mesozoic Period: Triassic
First dinosaurs -
220 BCE
Era: Mesozoic Period: Triassic
First mammals -
213 BCE
Era: Mesozoic Period: Triassic
Saskatchewan is again covered by a shallow sea -
200 BCE
Period: Jurassic
The beginning of the Jurassic period -
144 BCE
Period: Cretaceous
The beginning of the Cretaceous period -
100 BCE
Period: Cretaceous
Diamonds are brought to the surface of Saskatchewan in volcanic pipes -
75 BCE
Period: Cretaceous
Shallow sea begins to retreat -
70 BCE
Period: Cretaceous
Swamps, rivers and lakes form the badlands
Lignite is formed from the plants deposited in swamps -
66 BCE
Period: Cretaceous
Triceratops roam Saskatchewan -
65 BCE
Era: Cenozoic Period: Tertiary Epoch: Paleocene
Extinction of the dinosaurs -
55 BCE
Epoch: Eocene
The beginning of the Eocene Epoch -
50 BCE
Epoch: Eocene
Climate changes, Saskatchewan plateau develops -
34 BCE
Epoch: Oligocene
The beginning of the Oligocene epoch -
23 BCE
Epoch: Miocene
The beginning of the Miocene epoch -
5 BCE
Epoch: Pliocene
The beginning of the Pliocene epoch -
2 BCE
Period: Quaternary Epoch: Pleistocene
Ice age begins, covering SK except for the Cypress Hills area
Diamonds covered by glacial till
