Scientists announced on March 1, 2017 that they’ve identified the remains of 3,770-million-year-old microorganisms. , now the oldest known microfossils on Earth. The discovery is in the form of tiny filaments and tubes – formed by bacteria – that lived on iron.
They were found encased in quartz layers in what scientists call the Nuvvuagittuq Supracrustal Belt, on the eastern shore of Hudson Bay, in Quebec, Canada. This region was already known to contain some of Earth’s oldest rocks.
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