Calibration of Sulfate Levels in the Archean Ocean
Top Cited Papers
- 20 December 2002
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 298 (5602) , 2372-2374
- https://doi.org/10.1126/science.1078265
Abstract
The size of the marine sulfate reservoir has grown through Earth's history, reflecting the accumulation of oxygen into the atmosphere. Sulfur isotope fractionation experiments on marine and freshwater sulfate reducers, together with the isotope record, imply that oceanic Archean sulfate concentrations were 2 gas, and severely suppressed sulfate reduction rates allowed for a carbon cycle dominated by methanogenesis.Keywords
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