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Nature 441, 700-701 (8 June 2006) | doi:10.1038/441700a; Published online 7 June 2006
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Palaeontology: Respect for stromatolites
Stanley M. Awramik1
Abstract
Is it time to stop worrying over whether the ancient structures called stromatolites are of microbial origin? 'Yes' is the answer to emerge from field and lab work on a 3,430-million-year-old marine ecosystem.
Writing in these pages earlier this year1, Don E. Canfield wrote of an early Earth teeming with a variety of microorganisms.
- Stanley M. Awramik is in the Department of Earth Science, University of California, Santa Barbara, California 93106, USA.
Email: awramik@geol.ucsb.edu
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