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