-
4600 BCE
Earth is Formed
Earth is formed 4.6 billion years ago.
Eon: Archean -
2500 BCE
Saskatchewan is Part of One Giant Continent
In the past, there used to be one giant continent called Pangaea, with a single ocean surrounding it called Panthalassa.
Eon: Proterozoic -
2100 BCE
Breakup of Pangaea
Pangaea splits up and a larger ocean is created.
Eon: Proterozoic -
1900 BCE
Volcanoes form in Saskatchewan
Eon: Mid Proterozoic -
1850 BCE
Wathaman Batholith
The Wathaman Batholith is formed. It is a major element in the Trans-Hudson orogenic belt and has an exposed length of 900 kilometres.
Eon: Mid-Proterozoic -
1800 BCE
Mountain Building (Orogeny)
Earth changes from an anoxygenic environment to an oxygenic environment. Martin Sandstone is deposited with Stromatolites.
Eon: Mid - Proterozoic -
1700 BCE
Erosion of Mountains
Mountains begin to erode and shrink.
Eon: Proterozoic -
1300 BCE
Deposit of Uranium
Uranium is deposited in Saskatchewan.
Eon: Proterozoic -
544 BCE
The Sauk Sea
Saskatchewan is covered by the epicontinental Sauk Sea. The Sauk sequence was the earliest of the six cratonic sequences that have occurred during the Phanerozoic era in North America.
Eon: Phanerozoic
Era: Paleozoic
Period: Cambrian -
478 BCE
Meteorite Hits Saskatchewan
A meteorite hits Saskatchewan, creating the Carswell Meteorite Crater.
Eon: Phanerozoic
Era: Paleozoic
Period: Cambrian -
470 BCE
Tyndall Stone
Tyndall Stone is deposited as massive limestone.
Eon: Phanerozoic
Era: Paleozoic
Period: Cambrian -
390 BCE
Winnipegosis Reefs
Winnipegosis Reefs are deposited, later to become a trap for oil deposits.
Eon: Phanerozoic
Era: Paleozoic
Period: Devonian -
385 BCE
Potash in Saskatchewan
Potash is deposited into the sea that covers Saskatchewan.
Eon: Phanerozoic
Era: Paleozoic
Period: Devonian -
355 BCE
The First Amphibians
The first amphibians are alive during this time.
Eon: Phanerozoic
Era: Paleozoic
Period: Carboniferous -
248 BCE
Mass Extinction
Over 90% of species within the ocean disappear.
Eon: Phanerozoic
Era: Mesozoic
Period: Triassic -
245 BCE
The First Dinosaurs
The first dinosaurs make an appearance during the Triassic period.
Eon: Phanerozoic
Era: Mesozoic
Period: Triassic -
220 BCE
The First Mammals
The earliest known mammals were the morganucodontids, tiny shrew-size creatures that lived in the shadows of the dinosaurs roughly 220 million years ago.
Eon: Phanerozoic
Era: Mesozoic
Period: Triassic -
213 BCE
Saskatchewan is Covered by the Sea - Again
A shallow sea once again covers Saskatchewan.
Eon: Phanerozoic
Era: Mesozoic
Period: Triassic -
100 BCE
Diamonds!
Volcanic pipes bring diamonds to the surface in Saskatchewan.
Eon: Phanerozoic
Era: Mesozoic
Period: Cretaceous -
75 BCE
The Sea Retreats
The shallow sea on Saskatchewan begins to disappear.
Eon: Phanerozoic
Era: Mesozoic
Period: Cretaceous -
70 BCE
Formation of the Badlands
Lakes, rivers, and swamps start forming the badlands. Lignite is formed from the plants deposited in swamps.
Eon: Phanerozoic
Era: Mesozoic
Period: Cretaceous -
66 BCE
Triceratops in Saskatchewan
Triceratops roam the Saskatchewan landscape.
Eon: Phanerozoic
Era: Mesozoic
Period: Late Cretaceous -
65 BCE
Dinosaurs go Extinct
The dinosaurs went extinct 65 million years ago.
Eon: Phanerozoic
Era: Cenozoic
Period: Tertiary
Epoch: Paleocene -
50 BCE
Climate Change
Climate changes and the Saskatchewan plateau develops.
Eon: Phanerozoic
Era: Cenozoic
Period: Tertiary
Epoch: Eocene -
2 BCE
The Ice Age
Ice age begins and covers everywhere in Saskatchewan; save for the Cypress Hills area. Diamonds are covered by glacial till.
Eon: Phanerozoic
Era: Cenozoic
Period: Quaternary
Epoch: Pleistocene -
Period: 5 to 1 CE
Bison and Humans Come to North America - Saskatchewan Prairies Form
Bison came over to North America .05 million years ago.
Humans came over to North America .02 million years ago.
The prairies formed .01 million years ago.
Eon: Phanerozoic
Era: Cenozoic
Period: Quaternary
Epoch: Holocene
