HIGHLIGHTS
- who: B. A. Killingsworth from the Laboratoire de Bretagne Occidentale, Plouzané, France have published the research: Constraining the rise of oxygen with oxygen isotopes, in the Journal: NATURE COMMUNICATIONS NATURE COMMUNICATIONS of 29/Oct/2019
- what: To investigate the influence of early Earth sulfide weathering, the authors focus on barite (BaSO4), a highly insoluble and diagenesis-resistant mineral that offers a robust record of sulfate S and O isotope compositions21. The authors report Turee Creek Group barites with positive Δ33S values and distinctly negative δ18O values whose paleoenvironmental and temporal context suggest a firstorder weathering . . .
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