Break up of the ancient continent, creation of a large ocean
1900 BCE
Volcanoes in SK
1850 BCE
Wathaman Batholith (an intrusion of Magma under the surface)
1800 BCE
Orogeny (mountain building) Trans-Hudson Orogen, Eatrth changes from an anoxygenic environment to an oxygenic environment Martin Sandstone is deposited with "Stromatolites" (mounds created by blue green algae)
1700 BCE
Erosion of the mountains
1300 BCE
Uranium deposited
544 BCE
SK covered by the epicontinental Sauk Sea Hard shelled invertebrates
Period: 544 BCE to 489 BCE
Eon: Phanerozoic Era: Paleozoic Period: Cambrian
Period: 489 BCE to 433 BCE
Period: Ordovician
478 BCE
Meteorite hits Sk, leaving behind the Carswell Meteorite Crater
470 BCE
Tyndall Stone deposited as massive limestone
Period: 418 BCE to 360 BCE
Period: Devonian
390 BCE
Winnipegosis Reefs are deposited, later to become a trap for oil desposits
385 BCE
Potash is deposited in the shallow sea that covers Sk
Period: 360 BCE to 300 BCE
Period: Carboniferous
355 BCE
First Amphibians
Period: 253 BCE to 200 BCE
Era: Mesozoic Period: Triassic
245 BCE
First Dinosaurs
220 BCE
First Mammals
213 BCE
Sk is again covered by a shallow sea
Period: 144 BCE to 65 BCE
Period: Cretaceous
100 BCE
Diamonds are brought to the surface of Sk volcanic pipes
75 BCE
Shallow sea begins to retreat
70 BCE
Swamps, rivers, and lakes from badlands lignite (brown coal) is formed from the plants deposited in swamps.
66 BCE
Triceratops roam Sk
65 BCE
Extinction of the dinosaurs
Period: 55 BCE to 34 BCE
Epoch; Eocene
50 BCE
Climate changes, Saskatchewan plateau develops
2 BCE
Ice age begins, covering Sk except for the Cypress Hills area Diamonds covered by glacial till
Period: 2 BCE to 1 BCE
Period: Quaternary Epoch: Pleistocene
1 BCE
Bison come to North America
1 BCE
Humans come to North America
1 BCE
Origin of the Praries
248
Mass extinction in the oceans, 90% of the species disappear