15th Annual Smithsonian Magazine Photo Contest Natural World
Mary Ellen jasper stromatolite
Close-up of Mary Ellen jasper, a stromatolite or fossil of blue-green algae from the Mesabi Iron Range in Northern Minnesota. This petrified fossil is over a billion years old. The colors are due to various iron compounds.
|Photo Location:||Stevens Point, Wisconsin, United States of America|
|Camera:||Canon EOS 7D|
|Copyright:||© Douglas Moore|