Weird Australia Rocks Are Earliest Signs of Life, Study Says

Publication: National Geographic News   Date: June 7, 2006   View Article

Weird cone- and egg-carton-shaped formations in Western Australia are almost certainly among the earliest evidence of life on Earth, according to a new study.

The 3.43-billion-year-old Strelley Pool Chert formations, called stromatolites, are sediment structures, not fossilized life forms. But their unusual features have inspired scientists to debate their origin.

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