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Earth is formed.
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Saskatchewan is part of a large ancient continent
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Break up of the ancient continent, creation of a large ocean.
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Volcanoes in Saskatchewan.
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Wathaman Batholith (an intrusion of magma under the surface)
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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) -
Erosions of the mountains
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Uranium deposited
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Saskatchewan covered by the epicontinental Sauk Sea
Hard shelled invertebrates including Trilobites -
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Meteorite hits Saskatchewan, leaving behind the Carswell Meteorite Crater.
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Tyndall Stone deposited as massive limestone.
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Winnipegosis Reefs are deposited, later to become a trap for oil deposits.
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Potash is deposited in the shallow sea that covers Saskatchewan.
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First amphibians
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Mass extinction in the oceans 90% of the species disappear.
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First dinosaurs
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First mammals
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Saskatchewan is again covered by shallow sea
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Diamonds are brought to the surface of Saskatchewan in volcanic pipes.
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Shallow sea begins to retreat.
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Swamps, rivers and lakes form the badlands.
Lignite (brown coal) is formed from the plants deposited in swamps. -
Triceratops roam Saskatchewan
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(Phanerozoic Eon) (Cenozoic Era) (Tertiary Period) (Eocene Epoch). Extinction of the dinosaurs.
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(Oligocene Epoch). Climate changes, Saskatchewan plateau develops.
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(Miocene Epoch). Ice age begins, covering Saskatchewan except the Cypress Hills area
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(Pliocene Epoch). Bison come to North America
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(Phanerozoic Eon) (Cenozoic Era) (Quaternary Period)(Pleistocene Epoch). Humans come to North America.
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(Phanerozoic Eon) (Cenozoic Era) (Quaternary Period)(Holocene Epoch). Origin of the Prairies
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