Microbes built ancient rocks in Australia

Posted on Saturday, June 10 2006 @ 18:20 CEST by Thomas De Maesschalck
Earlier this week scientists reported they have found odd-shaped rocks in Australia that were built by microbes 3.43 billion years ago:
Odd-shaped rocks in the Pilbara region of Western Australia offer compelling evidence they were built by microbes 3.43 billion years ago, scientists say.

The structures, known as stromatolites, could only have taken the forms they have if bacteria had been present, a Sydney-led team tells Nature journal.

The rocks' origin is disputed, with some claiming purely chemical processes could have made them.

But the Nature study suggests the biological explanation is the simplest.
More information and photos over at BBC.

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Thomas De Maesschalck

Thomas has been messing with computer since early childhood and firmly believes the Internet is the best thing since sliced bread. Enjoys playing with new tech, is fascinated by science, and passionate about financial markets. When not behind a computer, he can be found with running shoes on or lifting heavy weights in the weight room.

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