Lithium isotope evidence for enhanced weathering and erosion during the Paleocene-Eocene Thermal Maximum
Abstract
The Paleocene-Eocene Thermal Maximum (PETM; ~55.9 Ma) was a geologically rapid warming period associated with carbon release, which caused a marked increase in the hydrological cycle. Here, we use lithium (Li) isotopes to assess the global change in weathering regime, a critical carbon drawdown mechanism, across the PETM. We find a negative Li isotope excursion of ~3‰ in both global seawater (marine carbonates) and in local weathering inputs...
Paper Details
Title
Lithium isotope evidence for enhanced weathering and erosion during the Paleocene-Eocene Thermal Maximum
Published Date
Oct 15, 2021
Journal
Volume
7
Issue
42
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