Precambrian Era
Facts about the Precambrian Era
- The same rocks that were in the Precambrian period can be found today.
Major Geological Events
Water vapor from the atmosphere
formed oceans.
May have created life with mineral-rich
under-water volcanoes
Magma cooled down and formed crust cooled down, forming a solid crust.
Canadian Shield
There are rocks that date back about 4 billion years ago, and these rocks can still be found today.
Rain, ice, wind, and running water
eroded much of the surface of the
shield, though a lot of it is still there
Biggest landmass on Earth that was from the Precambrian Era
A landmass that has dated back to
4.2 billion years ago.
What happened in the Precambrian Era?
Oceans were created from the water vapour in the atmosphere.
Planet cooled down from the original molten state
Created a crust around the Earth
The Precambrian time was the earliest time period of the history of Earth.
Biology
Living things
Cells
Eukaryotic cells
Lead to the creation of plant and animal cells
Lived in water
Mollusks
Jellyfish
protozoa
Lived on land
Worms
Arthropods
Bacteria
Blue green algae
Bacteria began using photosynthesis
in order to gain energy
Fungi
Chytrid fungus. A bacteria that kills frogs.
When it Began?
It lastest for about 4 billion years,
making up 87% of Earth's history
4.6 billion years ago
