Precambrian Era

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Precambrian Era

Facts about the Precambrian Era

- This time period makes up 80% of Earth's geologic record

- 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