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Origin of sulfate in post-snowball-Earth oceans: river inputs vs. shelf-derived H2S
- Source :
- National Science Review; November 2024, Vol. 11 Issue: 11
- Publication Year :
- 2024
-
Abstract
- A synthesis of global barite sulfate isotope data from approximately 635 million years ago, at the end of a global glaciation, undermines the hypothesis that river sulfate was the primary carrier of the distinctive 17O-depleted atmospheric O2 signature of the time. Instead, an aqueous H2S oxidation model on the shelf emerges as a compelling alternative, though it demands extensive validation across multiple fronts by the scientific community.
Details
- Language :
- English
- ISSN :
- 20955138 and 2053714X
- Volume :
- 11
- Issue :
- 11
- Database :
- Supplemental Index
- Journal :
- National Science Review
- Publication Type :
- Periodical
- Accession number :
- ejs67994110
- Full Text :
- https://doi.org/10.1093/nsr/nwae380