-
4600 BCE
Earth is Formed
4,600 million years ago -
Period: 4600 BCE to 2500 BCE
Archean Eon
-
2500 BCE
Saskatchewan is Part of a Large Ancient Continent
2500 million years ago -
Period: 2500 BCE to 544 BCE
Proterozoic Eon
-
2100 BCE
Break up of Ancient Continent, Creation of a Large Ocean
2100 million years ago -
1900 BCE
Volcanoes in Saskatchewan
1900 million years ago -
1850 BCE
Wathaman Batholith (Intrusion of Magma)
1850 million years ago -
1800 BCE
Orogeny, Earth Becomes Oxygenic, Sandstone, Stromatolites
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) 1800 million years ago -
1700 BCE
Erosion of Mountains
1700 million years ago -
1300 BCE
Uranium Deposited
1300 million years ago -
544 BCE
SK Covered by Sea, Trilobites
SK covered by the epicontinental Sauk Sea, hard shelled invertebrates including Trilobites 544 million years ago -
Period: 544 BCE to 489 BCE
Phanerozoic Eon
Also the Paleozoic Era and the Cambrian Period -
Period: 489 BCE to 433 BCE
Ordovician Period
-
478 BCE
Meteorite Hits SK, Carswell Meteorite Crater
478 million years ago -
470 BCE
Tyndall Stone, Limestone
470 million years ago -
Period: 433 BCE to 418 BCE
Silurian Period
-
Period: 418 BCE to 360 BCE
Devonian Period
-
390 BCE
Winnipegosis Reefs are Deposited
Later to become a trap for oil deposits 390 million years ago -
385 BCE
Potash is Deposited
385 million years ago -
Period: 360 BCE to 300 BCE
Carboniferous Period
-
355 BCE
First Amphibians
355 million years ago -
Period: 300 BCE to 253 BCE
Permian Period
-
Period: 253 BCE to 200 BCE
Mesozoic Era
Also the Triassic Period -
248 BCE
90% of Ocean Species Extinct
248 million years ago -
245 BCE
First Dinosaurs
245 million years ago -
220 BCE
First Mammals
220 million years ago -
213 BCE
SK is Covered by a Shallow Sea Again
213 million years ago -
Period: 200 BCE to 144 BCE
Jurassic Period
-
Period: 144 BCE to 65 BCE
Cretaceous Period
-
100 BCE
Diamonds are Brought to the Surface
100 million years ago -
75 BCE
Shallow Sea Begins to Retreat
75 million years ago -
70 BCE
Swamps, Rivers, Lakes Form the Badlands. Lignite
70 million years ago -
66 BCE
Triceratops Roam SK
66 million years ago -
65 BCE
Extinction of the dinosaurs
65 million years ago -
Period: 65 BCE to 55 BCE
Cenozoic Era
Also the Tertiary Period and the Paleocene Epoch -
Period: 55 BCE to 34 BCE
Eocene Epoch
-
50 BCE
Climate Change, Plateaus
50 million years ago -
Period: 34 BCE to 23 BCE
Oligocene Epoch
-
Period: 23 BCE to 5 BCE
Miocene Epoch
-
5 BCE
Bison Arrive in North America
.05 million years ago -
Period: 5 BCE to 2 BCE
Pliocene Epoch
-
2 BCE
Ice Age Begins
2 million years ago -
2 BCE
Humans Arrive in North America
.02 million years ago -
Period: 2 BCE to 1 BCE
Quaternary Period
Also the Pleistocene Epoch -
1 BCE
Origin of the Praries
.01 million years ago -
Period: 1 CE to 1 CE
Holocene Epoch