Fossil evidence of early life has been discovered by in 3.48 billion year old hot spring deposits in the Pilbara of Western Australia. Previously, the world's oldest evidence for microbial life on land came from 2.7- 2.9 billion year old deposits in South Africa.

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Fossil evidence of early life has been discovered by in 3.48 billion year old hot spring deposits in the Pilbara of Western Australia. Previously, the world's oldest evidence for microbial life on land came from 2.7- 2.9 billion year old deposits in South Africa.