-
1 CE
Origin of the prairies.
-
2
Ice age begins, covering SK except for the Cypress Hills area Diamonds covered by glacial till
-
2
Humans come to North America.
-
2
Quaternary Period
Pleistocene - 2
Holocene- 0.01 -
5
Bison come to North America.
-
50
Climate changes, Saskatchewan plateau develops.
-
65
Extinction of the dinosaurs.
-
65
Cenozoic Era
Tertiary Period: Paleocene -65
Eocene - 55
Oligocene -34
Miocene- 23
Miocene-5 -
66
Triceratops roam SK.
-
70
Lignite (brown coal) is formed from the plants deposited in swamps.
-
75
Shallow sea begins to retreat.
-
100
Diamonds are brought to the surface of SK in volcanic pipes.
-
213
SK is again covered by a shallow sea.
-
220
First mammals.
-
245
First dinosaurs.
-
248
Mass extinction in the oceans, 90% of the species disappear.
-
253
Mesozoic Era
Triassic - 253
Jurassic -200
Cretaceous- 144 -
300
Permian Period
-
355
First amphibians.
-
360
Carboniferous Period
-
385
Potash is deposited in the shallow sea that covers SK.
-
390
Winnipegosis Reefs are deposited, later to become a trap for oil deposits.
-
418
Devonian Period
-
433
Silurian Period
-
470
Tyndall Stone deposited as massive limestone.
-
478
Meteorite hits SK, leaving behind the Carswell Meteorite Crater.
-
489
Ordovician Period
-
544
Saskatchewan is covered by the epicontinental Sauk Sea hard shelled invertebrates including Trilobites.
-
544
Phanerozoic Eon
Paleozoic Era
Cambrian Period -
1300
Urainium deposited.
-
Erosion of the mountains.
-
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)
-
Wathaman Batholith (an intrusion of magma under the surface.)
-
Volcanoes in Saskatchewan
-
Break up of the ancient continent, creation of a large ocean .
-
Saskatchewan is part of a large ancient continent.
-
Proterozoic
-
Earth is formed.
-
Archean
