![](http://www.alamy.com/thumbs/6/D3EA636E-1CAB-468F-B413-14375A90E0F3/2ADEPBB.jpg)
Illustrated timeline (top, earliest) of Earth's history contained in a zircon crystal. Zircon is commonly used for dating rocks.
Size: 3145px × 5557px
Photo credit: © ELENA HARTLEY/ELABARTS/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: -, aeons, artwork, background, crystal, cut, cut-, cut-outs, cutout, cutouts, deep, eons, geologic, geological, geology, history, illustration, mineralogy, natural, outs, palaeontology, paleontology, prehistoric, prehistory, time, timeline, white, zircon