Open AccessAtmospheric CO 2 levels from 2.7 billion years ago inferred from micrometeorite oxidation
Author(s) -
Owen R. Lehmer,
David C. Catling,
Roger Buick,
D. E. Brownlee,
Sarah Newport
Publication year - 2020
Publication title -
science advances
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.928
H-Index - 146
ISSN - 2375-2548
DOI - 10.1126/sciadv.aay4644
Subject(s) - environmental science , astrobiology , remote sensing , geography , biology
Iron-rich micrometeorites from a 2.7 billion-year-old limestone could constrain atmospheric CO 2 levels on the early Earth.
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