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Calymmian

Adapted from Wikipedia · Explorer experience

A stunning view of Earth from space, taken by astronauts aboard the Apollo 17 mission.

What is the Calymmian?

The Calymmian is an old time in Earth's history. It is part of a big stretch called the Mesoproterozoic Era. This time happened very, very long ago, from 1,600 to 1,400 million years ago!

What Happened During the Calymmian?

During the Calymmian, land areas on Earth grew bigger. New lands formed on places that had just become steady.

A huge group of land called Columbia, a supercontinent, started to split apart around 1,500 million years ago. Special ancient life forms, named the Volyn biota, also lived during this time.

Fun Picture

Here is a picture of something very old that scientists found from this time:

Images

A map showing how Earth's continents may have looked during the Calymmian period, about 1.6 billion years ago.
A colorful spiral diagram showing the geological time scale, helping us understand how Earth has changed over millions of years.
A diagram showing the layers of rock in the Williston Basin, helping us learn about Earth's history.

Related articles

Supercontinent
Volyn biota

This article is a child-friendly adaptation of the Wikipedia article on Calymmian, available under CC BY-SA 4.0.

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