-
4600 BCE
Earth is formed
Eon: Archean -
2500 BCE
Saskatchewan is part of a large ancient continent
Eon: Proterozoic -
2100 BCE
Break up of the ancient continent, creation of a large ocean
Eon: Proterozoic -
1900 BCE
Volcanoes in SK
Eon: Proterozoic -
1850 BCE
Wathaman Batholith (an intrusion of magma under the surface
Eon: Proterozoic -
1800 BCE
Orogeny (mountain building) Trans-Hudson Orogen, Earth changes from an anoxygenic environment to an oxygenic environment, and Martin Sandstone is deposited with Stromatolites (mounds created by blue green algae)
Eon: Protezeroic -
1700 BCE
Erosion of the mountains
Eon: Proterozoic -
1300 BCE
Uranium deposited
Eon: Proterozoic -
544 BCE
SK covered by the epicontinental Sauk Sea. Hard shelled invertebrates including Trilobites
Eon: Phanerozoic
Era: Paleozoic
Period: Cambrian -
489 BCE
Beginning of Ordovician Period
-
478 BCE
Meteorite hits SK, leaving behind the Carswell Meteorite Crater
Eon: Phanerozoic
Era: Paleozoic
Period: Ordovician -
470 BCE
Tyndall Stone deposited as massive limestone
Eon: Phanerozoic
Era: Paleozoic
Period: Ordovician -
433 BCE
Beginning of Silurian Period
-
418 BCE
Beginning of Devonian Period
-
390 BCE
Winnipegosis Reefs are deposited, later to become a trap for oil deposits
Eon: Phanerozoic
Era: Paleozoic
Period: Devonian -
385 BCE
Potash is deposited in the shallow sea that covers SK
Eon: Phanerozoic
Era: Paleozoic
Period: Devonian -
360 BCE
Beginning of Carboniferous Period
-
355 BCE
First amphibians
Eon: Phanerozoic
Era: Paleozoic
Period: Carboniferous -
300 BCE
Beginning of Permian Period
-
253 BCE
Beginning of the Mesozoic Era and Triassic Period
-
248 BCE
Mass extinction in the oceans, 90% of the species disappear
Eon: Phanerozoic
Era: Mesozoic
Period: Triassic -
245 BCE
First dinosaurs
Eon: Phanerozoic
Era: Mesozoic
Period: Triassic -
220 BCE
First mammals
Eon: Phanerozoic
Era: Mesozoic
Period: Triassic -
213 BCE
SK is again covered by a shallow sea
Eon: Phanerozoic
Era: Mesozoic
Period: Triassic -
200 BCE
Beginning of Jurassic Period
-
144 BCE
Beginning of Cretaceous Period
-
100 BCE
Diamonds are brought to the surface of SK in volcanic pipes
Eon: Phanerozoic
Era: Mesozoic
Period: Cretaceous -
75 BCE
Shallow sea begins to retreat
Eon: Phanerozoic
Era: Mesozoic
Period: Cretaceous -
70 BCE
Swamps. rivers and lakes form the badlands. Lignite (brown coal) is formed from the plants deposited in swamps.
Eon: Phanerozoic
Era: Mesozoic
Period: Cretaceous -
66 BCE
Triceratops roam SK
Eon: Phanerozoic
Era: Mesozoic
Period: Cretaceous -
65 BCE
Extinction of the dinosaurs
Eon: Phanerozoic
Era: Cenozoic
Period: Tertiary
Epoch: Paleocene -
55 BCE
Beginning of Eocene Epoch
-
50 BCE
Climate changes, Saskatchewan plateau develops.
Eon: Phanerozoic
Era: Cenozoic
Period: Tertiary
Epoch: Eocene -
34 BCE
Beginning of Oligocene Epoch
-
23 BCE
Beginning of Miocene Epoch
-
5 BCE
Beginning of Pliocene Epoch
-
2 BCE
Ice age begins, covering SK except for the Cypress Hills area. Diamonds covered by glacial till
Eon: Phanerozoic
Era: Cenozoic
Period: Quaternary
Epoch: Pleistocene -
1 CE
Bison come to North America (.05 MYA)
Eon: Phanerozoic
Era: Cenozoic
Period: Quaternary
Epoch: Pleistocene -
1 CE
Humans come to North America (.02 MYA)
Eon: Phanerozoic
Era: Cenozoic
Period: Quaternary
Epoch: Pleistocene -
1 CE
Origin of the Prairies (.01 MYA)
Eon: Phanerozoic
Era: Cenozoic
Period: Quaternary
Epoch: Holocene