An example of stromatolites investigated in the study found in the Cheshire Formation of the Belingwe greenstone belt, Zimbabwe. Photo credit: Professor Axel Hofmann (IMAGE)

Northumbria University

An example of stromatolites investigated in the study found in the Cheshire Formation of the Belingwe greenstone belt, Zimbabwe. Photo credit: Professor Axel Hofmann

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An example of stromatolites investigated in the study found in the Cheshire Formation of the Belingwe greenstone belt, Zimbabwe. Photo credit: Professor Axel Hofmann

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Photo credit: Professor Axel Hofmann

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Photo credit: Professor Axel Hofmann

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