Banded Iron Formation
Rock showing layers of red jasper and iron magnetite formed billions of years ago. The iron banding was formed early in life's evolution when marine organisms began producing oxygen by photosynthesis. The oxygen caused iron to precipitate out of the ocean
Picture No
13626103
Media ID
43174816
Size
3360px x 5019px
(7.7MB)
Credit
Martin Shields /Science Source/ www.ardea.com
Category
NA
Availability
Available in UK only. No agents
Ardea Picture Library
Picture No
13626103
Contributor Ref
SCS-90075337





























