-
4600 BCE
Eon: Archean
460cm Earth is formed. -
2500 BCE
Eon: Proterozoic
250cm Saskatchewan is part of a large ancient continent. -
2100 BCE
Eon: Proterozoic
210cm Break up of the ancient continent, creation of a large ocean. -
1900 BCE
Eon: Proterozoic
190cm Volcanoes in Saskatchewan. -
1850 BCE
Eon: Proterozoic
185cm Wathaman Batholith (an intrusion of magma under the surface) -
1800 BCE
Eon: Proterozoic
180cm 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
Eon: Proterozoic
170cm Erosion of the mountains. -
1300 BCE
Eon: Proterozoic
130cm Uranium deposited. -
544 BCE
Eon: Phanerozoic Era: Paleozoic Period: Cambrian
54.4cm Saskatchewan covered by the epicontinental Sauk Sea Hard shelled invertebrates including Trilobites. -
489 BCE
Period: Ordovician
48.9cm Beginning of Ordovician period. -
478 BCE
Period: Ordovician
47.8cm Meteorite hits Saskatchewan, leaving behind the Carswell Meteorite Crater. -
470 BCE
Period: Ordovician
47cm Tyndall Stone deposited as massive limestone. -
433 BCE
Period: Silurian
43.3cm Beginning of Silurian period. -
418 BCE
Period: Devonian
41.8cm After the Silurian period is the start of Devonian Period. -
390 BCE
Period: Devonian
39cm Winnipegosis Reefs are deposited, later to become a trap for oil deposits. -
385 BCE
Period: Devonian
38.5cm Potash is deposited in the shallow sea that covers Saskatchewan. -
360 BCE
Period: Carboniferous
36cm Beginning of the Carboniferous period. -
355 BCE
Period: Carboniferous
35.5cm First amphibians. -
300 BCE
Period: Permian
30cm Beginning of the Permian period. -
253 BCE
Era: Mesozoic Period: Triassic
25.3cm The beginning of the Mesozoic Era and Triassic period. -
248 BCE
Era: Mesozoic Period: Triassic
24.8cm Mass extinction in the oceans, 90% of the species disappear. -
245 BCE
Era: Mesozoic Period: Triassic
24.5cm First dinosaurs. -
220 BCE
Era: Mesozoic Period: Triassic
22cm First mammals. -
213 BCE
Era: Mesozoic Period: Triassic
21.3cm Saskatchewan is again covered by a shallow sea. -
200 BCE
Period: Jurassic
20cm The beginning of the Jurassic period. -
144 BCE
Period: Cretaceous
14.4cm Beginning of the Cretaceous period. -
100 BCE
Period: Cretaceous
10cm Diamonds are brought to the surface of Saskatchewan in volcanic pipes. -
75 BCE
Period: Cretaceous
7.5cm Shallow sea begins to retreat. -
70 BCE
Period: Cretaceous
7cm Swamps, rivers and lakes form the badlands.
Lignite is formed from the plants deposited in swamps. -
66 BCE
Period: Cretaceous
6.6cm Triceratops roam Saskatchewan. -
65 BCE
Era: Cenozoic Period: Tertiary Epoch: Paleocene
6.5cm Extinction of the dinosaurs. -
55 BCE
Epoch: Eocene
5.5cmThe begging of the Eocene Epoch. -
50 BCE
Epoch: Eocene
5cm Climate changes, Saskatchewan plateau develops. -
34 BCE
Epoch: Oligocene
3.4cm The beginning of the Oligocene Epoch. -
23 BCE
Epoch: Miocene
2.3cm The beginning of Miocene Epoch. -
5 BCE
Epoch: Pliocene
0.5cm The beginning of the Pliocene Epoch. -
2 BCE
Period: Quaternary Epoch: Pleistocene
0.2cm Ice age begins, covering Saskatchewan except for the Cypress Hills area. Diamonds covered by glacial till
