Astronomy3.5 billion-year-old rock structures are one of the oldest...

3.5 billion-year-old rock structures are one of the oldest signs of life on Earth

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Layered rocks in Western Australia are a few of Earth‘s earliest identified life, in response to a brand new research. 

The fossils in query are stromatolites, layered rocks which might be shaped by the excretions of photosynthetic microbes. The oldest stromatolites that scientists agree have been made by dwelling organisms date again 3.43 billion years, however there are older specimens, too. Within the Dresser Formation of Western Australia, stromatolites courting again 3.48 billion years have been discovered. 



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