The Pilbara in northwestern Australia exposes some of the oldest rocks on Earth, over billion years old. The iron-rich rocks formed before the presence of atmospheric oxygen, and life itself. Found upon these rocks are billion-year-old fossil stromatolites, colonies of microbial cyanobacteria. The image is a composite of ASTER bands 4-2-1 displayed in RGB. The image was acquired October 12, 2004, covers an area of by km, and is located at degrees south, degrees east.

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Photo credit: © NASA/piemags / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., earth, terra