-
4600 BCE
Earth is formed
All dates above are how many millions of years ago they were -
2500 BCE
Saskatchewan is a part of a large ancient continent
Pangea -
2100 BCE
Break up of the ancient continent
-
2100 BCE
Creation of a large ocean
-
1900 BCE
There are volcanoes in Saskatchewan
-
1850 BCE
Wathaman Batholith
(Intrusion of magma under the surface) -
1800 BCE
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) -
1700 BCE
Erosion of the Mountains
-
1300 BCE
Uranium Deposited
-
544 BCE
Sask covered by epicontinental Sauk Sea
These are hard shelled invertebrates including trilobites -
478 BCE
Meteorite hits Saskacthewan
This leaves behind the Carswell Meteorite Crater -
470 BCE
Tyndall Stone deposited as massive limestone
-
390 BCE
Winnipegosis Reefs are deposited
These later become a trap for oil deposits -
385 BCE
Potash is deposited in the shallow sea that covers Saskatchewan
-
355 BCE
First Amphibians
-
248 BCE
Mass Extinction in the Oceans
Ninety percent of species disappear -
245 BCE
First Dinosaurs
-
220 BCE
First Mammals
-
213 BCE
Saskatchewan is covered by a shallow sea
-
100 BCE
Diamonds brought to surface of Sask in volcanic pipes
-
75 BCE
Shallow sea begins to retreat
-
70 BCE
Swamps, Rivers, and Lakes form the badlands
Lignite (brown coal) is formed from the plants deposited in swamps. -
66 BCE
Triceratops roam Saskatchewan
-
65 BCE
Dinosaur Extinction
-
50 BCE
Climate Changes, Saskatchewan plateau develops
-
2 BCE
Ice Age Begins, Covering Saskatchewan except for the Cypress Hills area.
Diamonds are covered by the glacial till -
1 BCE
Bison Comes to North America
Fifty thousand years ago (0.05 Million Years ago) -
1 CE
Humans come to North America
Twenty thousand years ago (0.02 Million Years ago), Humans migrate to North America. -
1 CE
Origin of the Prairies
Ten thousand years ago (0.01 Million Years ago), the Origin of the prairies happened