Author ' s personal copy Magnitude of the carbon isotope excursion at the Paleocene – Eocene thermal maximum : The role of plant community change

Abstract

Carbon-isotope measurements (δC) of leaf-wax n-alkanes from the Paleocene–Eocene Thermal Maximum (PETM) in the Bighorn Basin, Wyoming, reveal a negative carbon isotope excursion (CIE) of 4–5‰, which is 1–2‰ larger than that observed in marine carbonate δC records. Reconciling these records requires either that marine carbonates fail to record the full… (More)

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