The Archean Eon

Image courtesy W.H. Freeman and Company
The Archean period of time was a hot, lava-filled, volcanic era. Soon after, most of the lava and hot atmospheric gasses drifted into space and the earth cooled down. Then a truly amazing thing happened, the first life on Earth formed! Small bacteria and algae inhabited the Earth. Many rocks also formed; slate, marble and other types of metamorphic rocks.
To learn more about the Archean, try these:
  • Another - Archean picture: archean/arch1.jpg
  • Another - Archean picture: archean/arch2.jpg
    Produced by Jennifer Meyer
    4th grade Quest class
    Glendover Elementary, Lexington KY
    Webpage copyright WebDoGS, Department of Geological Sciences
    University of Kentucky
    Images copyrighted by their respective owners.