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Were There Anoxic Oceans During the Cryogenian NeoProterozoic?

Integrated geochemical-petrographic insights from component-selective ?238U of Cryogenian marine carbonates Authors: Hood et al Abstract: Emerging geochemical proxies have improved our understanding of the broad-scale history of Earth's oxygenation. However, paleoredox work does not always include extensive consideration of sample preservation and paleoenvironmental setting.
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Integrated geochemical-petrographic insights from component-selective {delta}238U of Cryogenian marine carbonates

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Emerging geochemical proxies have improved our understanding of the broad-scale history of Earth’s oxygenation. However, paleoredox work does not always include extensive consideration of sample preservation and paleoenvironmental s...

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