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Scientists discover 'world's oldest fossils' in Canada
Remains of microorganisms at least 3.77 billion years old have been found encased in quartz layers in northern Quebec's Nuvvuagittuq Supracrustal Belt, in Canada.
The research team behind the discovery is made up of international scientists and led by a team at University College London (UCL).
UCL's Matthew Dodd said the tiny fossils half the width of a human hair and up to half a millimetre in length lived near a vent in the seafloor where water was heated by a volcano.
The fossils could be older than the 3.7 billion years assigned to some other rock features found in fake van cleef and arpels bracelet Greenland, which were proposed to be fossils in August last year.
The key question with fossil discoveries is whether the rock features were produced by living organisms.
Some scientists are sceptical about the imitation van cleef & arpels bangle latest discovery.
Martin J Van Kranendonk, of the University of New South Wales in Australia, who reported the Greenland findings, said that the UCL findings are "not fossils".
He added that the paper's evidence for a biological origin fell short.
NASA geologist Abigail Allwood said the study was "one of the most detailed cases yet made" for evidence of life in rocks older replica van cleef and arpels bangle than 3.5 billion years but added that it was "an extraordinary claim to make and you do need extraordinary evidence".
Remains of microorganisms at least 3.77 billion years old have been found encased in quartz layers in northern Quebec's Nuvvuagittuq Supracrustal Belt, in Canada.
The research team behind the discovery is made up of international scientists and led by a team at University College London (UCL).
UCL's Matthew Dodd said the tiny fossils half the width of a human hair and up to half a millimetre in length lived near a vent in the seafloor where water was heated by a volcano.
The fossils could be older than the 3.7 billion years assigned to some other rock features found in fake van cleef and arpels bracelet Greenland, which were proposed to be fossils in August last year.
The key question with fossil discoveries is whether the rock features were produced by living organisms.
Some scientists are sceptical about the imitation van cleef & arpels bangle latest discovery.
Martin J Van Kranendonk, of the University of New South Wales in Australia, who reported the Greenland findings, said that the UCL findings are "not fossils".
He added that the paper's evidence for a biological origin fell short.
NASA geologist Abigail Allwood said the study was "one of the most detailed cases yet made" for evidence of life in rocks older replica van cleef and arpels bangle than 3.5 billion years but added that it was "an extraordinary claim to make and you do need extraordinary evidence".
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