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Mystery of Earth s Oxygen Origins Takes New Twist After Tantalizing Study

Tectonic subduction processes in the Archean eon could have been factor in oxygenation of the Earth, study shows.

United statesAdam charles simonXuyang mengDavid mole at laurentian universityArgonne national laboratoryLaurentian universityUniversity of michiganNature geoscienceDavid moleX ray absorption near edge structure spectroscopyAdvanced photon sourceIllinois thePart of earths early oxygen originated froma tectonic sourceEw study into origins of oxygen on earthSubduction zonesXidized magmas

Where did the Earth s oxygen come from? New study hints at an unexpected source

Some of Earth’s early oxygen came from tectonic sources via movement & destruction of crust

United statesCanada generalArthurf thurnauAdam charles simonXuyang mengEarth sciencesEnvironmental sciencesLaurentian universityArgonne national laboratoryEarth environmental sciencesUniversity of michiganNature geoscienceSuperior provinceDylan mckevittX ray absorption near edge structure spectroscopyAdvanced photon source

Where Did Earth s Oxygen Come From? Scientists Hint At An Unexpected Source

The amount of oxygen in the Earth's atmosphere makes it a habitable planet. 21% of the atmosphere consists of this life-giving element. But in the deep past - as far back as the Neoarchean era 2.8-2.5 billion years ago - this oxygen was almost absent

United statesCanada generalArthurf thurnauAdamc simonAdam charles simonXuyang mengEnvironmental sciencesEarth environmental sciencesUniversity of michiganCanada first research excellence fundEarth sciencesArgonne national laboratoryLaurentian universityUs national science foundationWhere did earthOxygen come

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